9.1_9.2_9.3 SERVICE MODE

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9. SERField Service Ver.2.0 Sep. 2009

9. SERVICE MODE

9.1 List of service mode

Adjustment/setting items page

Machine Adjustment Tray Adjustment P.129

Magnification Adjustment Registration Line Speed P.130

Printer S1 FD-Mag. Adj. P.132

Printer S2 FD-Mag. Adj. P.133

Printer S1 CD-Mag. Adj. P.134

Printer S2 CD-Mag. Adj. P.135

Scanner FD-Mag. Adj. P.136

ADF FD-Mag. Adjustment P.137

Timing Adjustment Printer S1 Restart Timing P.138

Printer S2 Restart Timing P.139

Printer Registration Loop P.140

Printer Pre-registration P.141

Printer Lead Edge Margin P.142

Transfer Assist Timing P.143

Scanner Restart Timing P.145

ADF Restart Timing Adj. P.146

ADF Registration Loop Adj. P.147

Centering Adjustment Printer Centering Adj. P.148

Scanner Centering Adj. P.149

ADF Centering Adj. P.150

Distortion Correction P.151

Non-ImageArea Erase Check P.152

ADF Adjustment ADF Density Adjustment P.154

ADF Original Size Adj. P.155

ADF Sensor Sensitivity P.156

ADF Skew Offset Adj. P.157

Recall Standard Data P.158

Process Adjustment High Voltage Adjustment High Voltage Auto Adj. P.159

HV Adjustment (Charge) P.159

HV Adjustment (Transfer) P.159

HV Adj. (Separation AC) P.159

HV Adj. (Separation DC) P.159

HV Adj. (Charge grid volt.) P.159

HV Adj. (Bias Develop. DC) P.159

Transfer Guide Confirm P.159

Drum Peculiarity Adj. Blade Setting Mode P.160

Automatic Drum Potential P.161

Auto Maximum Density Adj. P.162

Auto Dot Diameter Adj. P.163

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Process Adjustment Drum Peculiarity Adj. LD Offset Adjustment P.164

Auto Gamma Adj. (1dot) P.165

LD1 Bias Adjustment P.165

LD2 Bias Adjustment P.165

Cartridge Set Mode P.166

Drum Peculiarity Manual P.166

User Paper Setting P.167

Recall Standard Data P.168

Counter Maintenance Counter P.169

Counter/Data Total Counter/Each Size P.172

Copy Counter/Each Size P.172

Printer Counter/Each Size P.172

Large Size Counter P.173

ADF Counter P.173

Coverage Data History P.174

Coverage Ranking List P.175

JAM data of time series P.175

JAM Counter P.176

Counter of Each Copy Mode P.177

SC data of time series P.183

SC Counter P.183

JAM Count Individual Sec. P.176

SC Count Individual Sec. P.183

Parts Counter Special Parts Counter P.186

Voluntary Part Counter P.193

Machine Condition I/O Check Mode P.195

List Output List Output P.218

Test Mode Test Pattern Output Mode P.220

Test Pattern Density P.228

Running Mode P.228

System Setting Software DIPSW Setting P.229

Telephone Number Setting P.255

M/C Serial Number Setting P.255

Setting Date Input P.256

Firmware Version Firmware Version P.257

CS Remote Care CS Remote Care E-mail P.258

Modem P.258

http P.258

ISW ISW P.285


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Finisher Adjustment Fold & Staple Stopper Adj P.285

Half Fold Stopper Adj. P.286

Cover Sheet Size Adj. P.286

Trimming Stopper Adj. P.287

Hole-Punch Adj. Punch Kit Vert. Pos. Adj. P.288

Punch Kit Horiz. Pos. Adj. P.289

Punch Unit Verti. Pos. Adj. P.290

Punch Unit Horiz. Pos. Adj. P.291

Punch Registration Loop Adj. P.292

Z-Fold Position Adj. First Fold Adjustment P.293

Second Fold Adjustment P.293

Tri-Fold Position Adj. P.294

Staple Finisher Pitch Adj P.295

Fold & Staple Pitch Adj. P.296

Administrator Setting Admin. Authentication P.297

Administrator Password P.297

CE Setting CE Authentication Setting P.298

CE Password Setting P.298

IC HDD Format IC HDD Format P.299


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9.2 Display/Exit

This machine is provided with a service mode for various adjustments/settings. Data adjusted/set in this mode is

stored in the NVRAM board (NRB).

9.2.1 Display method

There are 2 methods to access to the service mode; one is when the power is ON and the other is when thepower is OFF. In either way, the started service mode is the same, but how to exit differs.

A. When the power is ON

B. When the power is OFF

9.2.2 Exit method

Exit methods differ according to the condition of power switch, ON or OFF.

A. When the power is ON

B. When the power is OFF

1. Be sure that the ordinary copy screen is displayed. Press [Utility/Counter] button.

2. "Utility Menu screen" On the Operation panel, press the following buttons. Stop → 0 → 0 → Stop → 0 → 1 When the CE password has been set, entering the password is required to enter the service mode.

3. "Service mode menu screen"The service mode appears.

1. While pressing [Utility/Counter] button, turn ON the sub power switch (SW2). When the CE password has been set, entering the password is required to enter the service mode.

2. "Service mode menu screen"The service mode appears.

1. "Service mode menu screen"Press [Exit] to back to "Utility Menu".

2. The new settings become effective.

1. "Service mode menu screen"Turn OFF the SW2.

2. After the reboot, the new settings become effective.

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9.3 Machine Adjustment

9.3.1 Tray Adjustment

A. Function

• Adjust the paper size from tray 1 to tray 3 and bypass tray.

B. Usage

• This adjustment is needed when a paper size is not detected properly.

C. Procedure

1. "Service mode menu screen" Press [01 Machine Adjustment].

2. "Machine Adjustment menu screen"Press [01Tray Adjustment] .

3. "Tray adjustment screen"Tray adjustment includes the following items. Press [Next] or the [Back], and select "1" of the tray you adjust. [(Tray 1)-1] / [(Tray 1)-2] / [(Tray 2)-1)] / [(Tray 2)-2] / [(Tray 3)-1] / [(Tray 3)-2)] / [(Bypass)-1] / [(Bypass)-2] /

Note

• Be sure to select "1" of the tray you adjust.

4. Pull out the tray selected. Expand once the paperguide [1] to the limit and move it slowly in the direc-tion in which the width is narrowed, and then use ascale to make the distance between the paperguides [2] equal to the standard value.

• Standard value: Tray 1 to 3 250mmBypass tray 210mm

5. Set the tray.

6. "Tray adjustment screen"Press [Start].The current position of the selected tray is read in. When the adjustment is done, the message "Complete"appears.

7. Press [Next] and select "2" of the trays you want to adjust.

Note

• Be sure to select "2" of the tray you want to adjust.

8. Pull out the tray. Expand once the paper guide to the limit and move it slowly in the direction in which thewidth is narrowed to make the distance between the paper guides equal to 279.4mm (81/2 x 11).

9. Set the tray.

10. "Tray adjustment screen"Press [Start].The current position of the selected tray is read in. When the adjustment is done, the message "Complete"appears.

11. To adjust other trays, repeat steps 3 to 10.

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9.3.2 Registration Line Speed (Magnification Adjustment)

A. Function

• Change the line speed of the registration roller to match the line speed of the drum.

B. Usage

• Conduct this adjustment when replacing the registration roller and when the transfer jitter occurs at theposition 150mm from the paper trailing edge.

Note

• This adjustment changes the line speed of the registration roller only. Unless properly adjusted, it

may cause a transfer jitter at a position 150mm from the paper trailing edge.

• Usually, do not use this adjustment in the field. Use this only when replacing the registration roller

and when a transfer jitter occurs at a position 150mm from the paper trailing edge.

• Conduct "Printer S1 FD-Mag. Adj.", "Printer S2 FD-Mag. Adj." to adjust the magnification in the

sub scan direction.

C. Procedure


2. "Machine Adjustment menu screen"Press [02 Magnification Adjustment] .

3. "Magnification Adjustment menu screen"Press [01 Registration Line Speed].

4. "Registration Line Speed Adjustment screen"Confirm that the [Test Pattern] is displayed "16", and press [COPY].

5. Set A3 or 11 x 17 paper (130g/m2 or 35 lb Bond) in the tray. Press the Start button to output the test pat-tern.

Note

• For the paper type in the tray, be sure to set [high-quality paper] or [106 to 130g/m2].

6. Check the magnification in the sub scan direction.

• Standard value [1]:within 102.8 mm (when in life-size: Metric)

• Standard value [1]:within 108.7 mm (when in life-size: Inch)

7. When the value is not within the standard value, press [SERVICE].

8. "Registration Line Speed Adjustment screen"Enter a value through the numeric keys and press [Set].Setting range: -40 (shorter) to +55 (longer) 1 step = 0.05%

9. Repeat steps 4 to 8 until the standard value can be obtained.

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10. "Registration Line Speed"Press [Test Pattern] and enter 9 with the numeric key. Press [Set].Press [Test Pattern] again and press [COPY].

Note

• The density of "Test pattern density setting" is reflected. So, be sure to check the set value of

"Test pattern density setting" to ensure it is "255."

11. Set A3 or 11 x 17 paper (130g/m2 or 35 lb Bond) in the tray. Press the Start button to output the test pat-tern (No.9).

12. Press [SERVICE] to return to the [Registration Line Speed Adjustment] screen.

13. Repeat steps 10 to 12 to output test patterns for two steps before and after the value you entered in step9.e.g.: When the adjusted value is "-1," output 5 test patterns for -3, -2, -1, 0, 1.

14. Check the transfer jitter around 150mm from the paper trailing edge, and find an output with the leasttransfer jitter (Density of half-tone is even with surrounding area).

15. Press [SERVICE].

16. "Registration Line Speed Adjustment screen"Through the numeric keys, enter the adjusted step number of the output paper you selected in step 15,and press [Set].Setting range: -40 (shorter) to +55 (longer) 1 step = 0.05%

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9.3.3 Printer S1 FD-Mag. Adj. (Magnification Adjustment)

A. Function

• Adjust the magnification in the sub scan direction of the printer system front side only. (Change the linespeed of the drum and the registration roller evenly.)

B. Usage

• Conduct this adjustment when the transfer jitter occurs at the position about 303mm from the paper trailingedge on the front side to reduce the transfer jitter by adjusting the magnification in the sub scan direction.

• Conduct this adjustment when the magnification in the sub scan direction of the printer system front sideonly is not within the standard value.

C. Procedure


2. "Machine Adjustment menu screen"Press [02 Magnification Adjustment].

3. "Magnification adjustment menu screen"Press [02 Printer S1 FD-Mag. Adj.].

4. "Printer Drum Clock Adjustment (Side 1) screen"Press [COPY].


6. Check the magnification in the sub scan direction.• Standard value: ±0.5% or less (when in life-size)

within 205.7 ± 1mm


8. "Printer Drum Clock Adjustment (Side 1) screen"Enter a value through the numeric keys and press [Set].Setting range: -10 (shorter) to +10 (longer) 1 step = 0.05%


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9.3.4 Printer S2 FD-Mag. Adj. (Magnification Adjustment)

A. Function

• Adjust the magnification in the sub scan direction of the printer system back side only. (Change the line

speed of the drum and the registration roller evenly.)

B. Usage

• Conduct this adjustment when the transfer jitter occurs at the position about 303mm from the paper trailingedge on the back side in order to reduce the transfer jitter by adjusting the magnification in the sub scandirection.

• Conduct this adjustment when the magnification in the sub scan direction of the printer system back sideonly is not within the standard value.

C. Procedure



3. "Magnification Adjustment menu screen"Press [03 Printer S2 FD-Mag. Adj.].

4. "Printer Drum Clock Adj. (Side 2) screen"Press [COPY].


6. Check the magnification in the sub scan direction.• Standard value: ±0.5% or less (when in life-size)

within 205.7 ± 1mm


8. "Printer Drum Clock Adj. (Side 2) screen"Enter a value through the numeric keys and press [Set].Setting range: -10 (shorter) to 0 (longer) 1 step = 0.05%


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9.3.5 Printer S1 CD-Mag. Adj. (Magnification Adjustment)

A. Function

• Adjust the magnification in the main scan direction of the printer system front side only. (Change the magni-

fication in image-processing before the laser exposure.)

B. Usage

• Conduct this adjustment when the magnification in the main scan direction of the printer system front sideonly is not within the standard value.

C. Procedure



3. "Magnification Adjustment menu screen"Press [04 Printer S1 CD-Mag. Adj.].

4. "Printer Horizontal Adjustment (Side1) screen"Press [COPY].

5. Select A3 or 11 x 17 paper. Press the Start button to output the test pattern.

6. Check the magnification in the main scan direction.Standard value: ±0.5% or less (when in life-size)

within 190 ± 1mm


8. "Printer Horizontal Adjustment (Side1) screen"Enter a value through the numeric keys and press [Set].Setting range: -10 (shorter) to +10 (longer) 1 step = 0.1%


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9.3.6 Printer S2 CD-Mag. Adj. (Magnification Adjustment)

A. Function

• Adjust the magnification in the main scan direction of the printer system back side only. (Change the magni-

fication in image-processing before the laser exposure.)

B. Usage

• Conduct this adjustment when the magnification in the main scan direction of the printer system back sideonly is not within the standard value.

C. Procedure



3. "Magnification Adjustment menu screen"Press [05 Printer S2 CD-Mag. Adj.].

4. "Printer Horizontal Adj. (Side2) (Tray1) screen"Press [COPY].


6. Check the magnification in the main scan direction.Standard value: ±0.5% or less (when in life-size)

within 190 ± 1mm


8. "Printer Horizontal Adj. (Side2) (Tray1) screen"Enter a value through the numeric keys and press [Set].Setting range: -10 (shorter) to 0 (longer) 1 step = 0.1%


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9.3.7 Scanner FD-Mag. Adjustment (Magnification Adjustment)

A. Function

• Adjust the magnification in the sub scan direction of the scanner system (the scanning speed of the expo-

sure unit).

B. Usage

• Conduct this adjustment when the magnification in the sub scan direction of the printer back side only isnot within the standard value.

C. Procedure



3. "Magnification Adjustment menu screen"Press [06 Scanner FD-Mag. Adj.].

4. "Scanner (Orig. Glass) drum clock adj. screen"Press [COPY].

5. Select A3 or 11 x 17 paper. Set the test chart to the original grass and press the start button.

6. Check the magnification in the sub scan direction.Standard value: ±0.5% or less (when in life-size)

within 200 ± 1mm


8. "Scanner (Orig. Glass) drum clock adj. screen"Enter a value through the numeric keys and press [Set].Setting range: -40 (shorter) to +40 (longer) 1 step = 0.05%


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9.3.8 ADF FD-Mag. Adjustment (Magnification Adjustment)

A. Function

• Adjust the magnification in the sub scan direction of the scanner system (the scanning speed of the DF).

B. Usage

• Conduct this adjustment when the magnification in the sub scan direction of the printer back side only isnot within the standard value.

C. Procedure



3. "Magnification Adjustment menu screen"Press [07 ADF FD-Mag. Adjustment].

4. "Scanner (ADF) drum clock adj. (100%) screen"Press [Next] and [Back] to select the magnification you adjust. Press [COPY].The magnification changes as follows: 100% → 75% → 200% → 400%

5. Select A3 or 11 x 17 paper, and set the "adjustment chart" on the DF. Press the Start button.

6. Check the magnification in the sub scan direction.Standard value: ±0.5% or less (when in life-size) Standard value [1]: 190mm ± 1mm (Metric)Standard value [1]: 190.5mm (7.5 inch) ± 1mm (Inch)


8. "Scanner (ADF) drum clock adj. (100%) screen"Enter a value through the numeric keys and press [Set].Setting range: -40 (shorter) to +40 (longer) 1 step = 0.05%


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9.3.9 Printer S1 Restart Timing (Timing Adjustment)

A. Function

• Adjust the image leading edge timing of front side by changing the laser writing start timing.

B. Usage

• Conduct this adjustment when the leading edge on the front side is lacking or too much in printing.

Note

• Be sure "9.3.3 Printer S1 FD-Mag. Adj. (Magnification Adjustment)" has been adjusted.

C. Procedure


2. "Machine Adjustment menu screen"Press [03 Timing Adjustment].

3. "Timing Adjustment menu screen"Press [01 Printer S1 Restart Timing].

4. "Printer Restart Timing Adjustment (Side 1) screen" Tray can be adjusted as a whole and by each (tray 1 to 4 and bypass). Press [Next] or [Back] to select theitem to be adjusted, and press [COPY].


6. Check the leading edge timing.Standard value [1]: 20mm ± 0.5mm (Metric)Standard value [1]: 25.4mm (1 inch) ± 0.5mm (Inch)


8. "Printer Restart Timing Adjustment (Side 1) screen"Enter a value through the numeric keys and press [Set].Setting range: -30 (shorter) to +30 (longer) 1 step = 0.1mm


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9.3.10 Printer S2 Restart Timing (Timing Adjustment)

A. Function

• Adjust the image leading edge timing of back side by changing the laser writing start timing.

B. Usage

• Conduct this adjustment when the leading edge on the back side is lacking or too much in printing.

Note

• Be sure "9.3.3 Printer S1 FD-Mag. Adj. (Magnification Adjustment)" has been adjusted.

C. Procedure



3. "Timing adjustment menu screen"Press [02 Printer S2 Restart Timing].

4. "Printer Restart Timing (S2) (Tray1 Offset) screen" Tray can be adjusted as a whole and by each (tray 1 to 4 and bypass). Press [Next] or [Back] to select theitem to be adjusted, and press [COPY].


6. Check the leading edge timing.Standard value [1]: 20mm ± 0.5mm (Metric)Standard value [1]: 25.4mm (1 inch) ± 0.5mm (Inch)


8. "Printer Restart Timing (S2) (Tray1 Offset) screen"Enter a value through the numeric keys and press [Set].Setting range: -30 (shorter) to +30 (longer) 1 step = 0.1mm


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9.3.11 Printer Registration Loop (Timing Adjustment)

A. Function

• Adjust the paper loop amount in the registration roller section.

B. Usage

• Conduct this adjustment when the paper skew, crease, or jamming occurs in the registration roller section.

C. Procedure



3. "Timing Adjustment menu screen"Press [03 Printer Registration Loop].

4. "Printer RegistrationLoop Adj. screen"Press [Next] or the [Back] to select the item you adjust, and press [COPY].The item changes as follows: Tray Side1 → Bypass Side1 → Side2 LS460 → Side2 LS290 → Tray Side1 Thick → Bypass Side1 Thick→ Side2 Thick LS460 → Side2 Thick LS290

5. Set the copy according to the item that has been adjusted and press the Start button to output a test pat-tern.

6. When the trouble is not solved, press [SERVICE].

7. "Printer RegistrationLoop Adj. screen"Enter a value through the numeric keys and press [Set].Setting range: -10 (smaller) to +10 (larger) 1 step = 2ms or 4ms (The setting range for the Tray Side1 and Tray Side1 Thick is: -5 to +5.)

8. Repeat the steps 4 to 7 until an appropriate value is obtained.

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9.3.12 Printer Pre-Registration (Timing Adjustment)

A. Function

• Adjust the paper loop amount in the pre-registration roller section.

B. Usage

• Conduct this adjustment when the paper skew, crease, or jamming occurs in the pre-registration roller sec-tion.

C. Procedure



3. "Timing Adjustment menu screen"Press [04 Printer Pre-registration].

4. "Printer Pre-registration Adj. screen"Press [Next] or the [Back] to select the item you adjust, and press [COPY].Adjustment items include the following: Tray (1 to 4)


6. When the trouble is not solved, press [SERVICE].

7. "Printer Pre-registration Adj. screen"Enter a value through the numeric keys and press [Set].Setting range: -5 (smaller) to +5 (larger) 1 step = 2ms


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9.3.13 Printer Lead Edge Margin (Timing Adjustment)

A. Function

• Adjust the image erasure amount of the leading edge.

B. Usage

• Conduct this adjustment when the image erasure amount of the leading edge is not within the standardvalue.

C. Procedure



3. "Timing Adjustment menu screen"Press [05 Printer Lead Edge Margin].

4. "Printer lead edge timing adjustment screen"Press [COPY].


6. Check the leading edge erasure amount.Standard value a: within 4mm


8. "Printer lead edge timing adjustment screen"Enter a value through the numeric keys and press [Set].Setting range: -20 (smaller) to +40 (larger) 1 step = 0.1mm


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9.3.14 Transfer Assist Timing (Timing Adjustment)

A. Purpose

• Adjust the press/release timing of the transfer assist sheet and the volume of the pressure.

B. Usage

• Conduct this adjustment when transfer error (such as missing image portions) occurs under the conditionof operating the transfer assist sheet.

C. Preparation

• Select the appropriate paper setting beforehand so that the transfer assist sheet can be fed through.

Note

• Perform "Transfer Assist Pressure Level adj." properly, or the photoconductor may get damaged.

• Only perform this adjustment when the transfer error still occurs after performing "Transfer Assist

Push Position adjustment" and "Transfer Assist Release Position adj."

• Always perform "Transfer Assist Push Position adjustment" and "Transfer Assist Release Position

adj." after performing "Transfer Assist Pressure Level adj."

• This adjustment is disable in the default. Change DIPSW3-2 Transfer Assist Timing to "Enable" to

conduct the adjustment.

(1) Procedure



3. "Timing Adjustment menu screen"Press [06 Transfer Assist Timing].Press [Next] or the [Back] to select the item to be adjusted, and press [COPY].

4. "COPY screen"Change the print mode to [1 - 2], and select the tray in which the transfer assist sheet is loaded.

5. Press [START] to print the test pattern. Print a halftone image or the original as necessary.

6. If the transfer error still occurs, press [SERVICE].

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7. Enter a numeric value through the numeric keys and press [Set].• [Transfer Assist Push Position adj.]• [Transfer Assist Release Position adj.]

Setting range:-32 (earlier) to +31(later)1 step = 0.5mm

• [Transfer Assist Pressure Level adj.]Setting range:-10 (pressure amount-low) to

+10 (pressure amount-high) 1 step = 0.1 mm

Note

• The following table shows the relation among pressure amount, pressure point, release point,

and limit step of the adjustment. If the adjustment value exceeds the limit steps, the transfer

assist sheet may contact and damage the photoconductor. (Note that the steps described below

are only used as a guide.)


Pressure amount (Step)

Pressure point(Step)

Release point(Step)

0 -2 0

-10 -2 -5

+10 -2 +5

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9.3.15 Scanner Restart Timing (Timing Adjustment)

A. Function

• Adjust image leading edge timing of original scanning from the original glass (the starting position for read-

ing while in the original scanning mode by the exposure unit).

B. Usage

• Conduct this adjustment when the leading edge is lacking or too much in scanning.

C. Procedure



3. "Timing Adjustment menu screen"Press [07 Scanner Restart Timing].

4. "Scanner (Orig. Glass) restart timing adj. screen"Press [COPY].


6. Check the leading edge timing.Standard value: 0 ± 1.5mm


8. "Scanner (Orig. Glass) restart timing adj. screen"Enter a value through the numeric keys and press [Set].Setting range: -40 (image faster) to +40 (image slower) 1 step = 0.1mm


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9.3.16 ADF Restart Timing Adj. (Timing Adjustment)

A. Function

• Adjust the image leading edge timing of DF original scanning (the starting position for reading while in the

original scanning mode).

B. Usage

• Conduct this adjustment when the leading edge is lacking or too much in scanning DF.

C. Procedure



3. "Timing Adjustment menu screen"Press [08 ADF Restart Timing Adj.].

4. "ADF restart timing adj. screen"Press [Next] or the [Back] to select the side of original you adjust, and press [COPY].The side of original changes as follows:Side1 → Side2


6. Check the leading edge timing.Standard value: 0 ± 1.5mm


8. "ADF restart timing adj. screen"Enter a value through the numeric keys and press [Set].Setting range: -50 (image faster) to +50 (image slower) 1 step = 0.1mm


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9.3.17 ADF Registration Loop Adj. (Timing Adjustment)

A. Function

• Adjust the original loop amount in the DF registration roller section.

B. Usage

• Conduct this adjustment when the paper skew, crease, or jamming occurs in the DF registration roller sec-tion.

C. Procedure



3. "Timing Adjustment menu screen"Press [09 ADF Registration Loop Adj.].

4. "ADF Registration Loop Adj. screen"Press [Next] or the [Back] to select the side of original you adjust, and press [COPY].The side of original changes as follows: Side1 → Side2

5. Select A3 or 11 x 17 paper, and set the "adjustment chart" on the DF. Press the Start button.

6. Check the leading edge timing.Standard value: 0 ± 2mm


8. "ADF Registration Loop Adj. screen"Enter a value through the numeric keys and press [Set].Setting range: -50 (image faster) to +50 (image slower) 1 step = 0.1mm


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9.3.18 Printer Centering Adj. (Centering Adjustment)

A. Function

• Adjust the image mis-centering of the main scan direction on the printer.

B. Usage

• Conduct this adjustment when the image mis-centering of the main scan direction occurs while in printing.

Note

• Be sure the printer paper feed cross adjustment have been adjusted.

C. Procedure


2. "Machine Adjustment menu screen"Press [04 Centering Adjustment].

3. "Centering Adjustment menu screen"Press [01Printer Centering Adj.] and press [COPY].


5. Fold the output paper into two at the center in the main scan direction and check the discrepancy fromthe center line of the print.Standard value: within 0 ± 1.5mm


7. "Printer centering adjustment screen"Enter a value through the numeric keys and press [Set].Setting range: -64 (image in front) to +63 (image in back) 1 step = 0.1mm


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9.3.19 Scanner Centering Adj. (Centering Adjustment)

A. Function

• Adjust the image mis-centering of the main scan direction when scanning from the original glass.

B. Usage

• Conduct this adjustment when the image mis-centering of the main scan direction occurs while in scan-ning.

Note

• Be sure "9.3.18 Printer Centering Adj. (Centering Adjustment)" has been adjusted.

C. Procedure



3. "Centering Adjustment menu screen"Press [02 Scanner Centering Adj.] and press [COPY].


5. Fold the outputted paper in half in the main scan direction and check the amount of centering error.Standard value: within 0 ± 1.5mm


7. "Scanner (Orig. Glass) centering adj. screen"Enter a value through the numeric keys and press [Set].Setting range: -30 (image in front) to +30 (image to in back) 1 step = 0.1mm


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9.3.20 ADF Centering Adj. (Centering Adjustment)

A. Function

• Adjust the image mis-centering of the main scan direction when scanning from the DF.

B. Usage

• Conduct this adjustment when the image mis-centering of the main scan direction occurs while in originalscanning from DF.

Note

• Be sure "9.3.18 Printer Centering Adj. (Centering Adjustment)" has been adjusted.

C. Procedure



3. "Centering Adjustment menu screen"Press [03 ADF Centering Adj.].

4. "ADF centering adj. screen"Press [Next] or the [Back] to select the item you adjust, and press [COPY].The item switches as follows:Side1:Small → Side2:Small → Side1:Large → Side2:Large

Note

• "Small" represents paper which is smaller than 300 mm in the sub-scan direction.

• "Large" represents paper which is larger than 300 mm in the sub-scan direction.

5. Select paper according to the adjusted item. Set the "adjustment chart" on the DF and press the Startbutton.

6. Fold the outputted paper in half in the main scan direction and check the amount of centering error.Standard value: within 0 ± 2mm


8. "Scanner (ADF) Left Image"Enter a value through the numeric keys and press [Set].Setting range: -30 (image in front) to +30 (image in back) 1 step = 0.1mm


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9.3.21 Distortion correction

A. Function

• Adjust the image distortion in scanning.

B. Usage

• Conduct this adjustment when the image distortion occurs in scanning.

C. Procedure


2. "Machine Adjustment menu screen"Press [05 Distortion Adjustment].

3. "Scanner (Orig. Glass) Distortion screen"Press [Next] or the [Back] to select the item you adjust, and press [COPY].The item switches as follows:Scanner (Orig. Glass) Distortion (Main) → Scanner (Orig.Glass)Distortion (Sub) → Scanner (ADF) Distortionadj. (Main) → Scanner (ADF) Distortion adj. (Sub)

4. Select A3 or 11 x 17 paper. Set the "test chart" at the position (original glass or ADF) according to theadjusted item, and press the Start button.

5. Check the image skew.Standard value: ±0.5% or less (the difference in length of the 2 diagonal lines of the square of 200mm is

1.4mm or less.)


7. "Scanner (Orig. Glass) Distortion screen"Enter a value through the numeric keys and press [Set].Setting range: -50 (counterclockwise) to +50 (clockwise) 1 step = 0.05%


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9.3.22 Non-ImageArea Erase Check

A. Function

• Check the non-image area erase function and automatically adjust the sensitivity to detect the non-image

area.

B. Usage

• Conduct this adjustment when installing the copier, moving its installation location, or when the non-imagearea erase function does not work satisfactorily.

C. Preparation

• Open fully the DF.• There should not be anything on the original glass.• Clean the original glass.

D. Procedure


2. "Machine Adjustment menu screen"Press [06 Non-ImageArea Erase Check].

3. "Non-image area erase check screen" Press [Start].

4. Make sure the following message appears.

NORMAL adjustment selected.

Machine has been set to appropriate parameters for Non-Image Area Erase.

If any other message appears, refer to "B. Error message and Handling", and perform the Non image AreaErase Check again.

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E. Error message and Handling

If an error is detected while performing the "Non Image Area Erase Check" mode, the following error messagewill be displayed.

(1) Error message 1

Adjust for Moderate Brightness.

Non-Image Area Erase function may not operate correctly with dark (density) original.

Please refer to [ADJUSTMENT/SETTING]-[Machine Adjust] columns of the Service Manual.

Handling 1

When the non-image area erase function is not used very frequently, or when copy originals that have a darkbackground are not copied very frequently in non-image area erase, the copier can be used in the current instal-lation location. However, when copy originals that have a dark background are frequently copied, install thecopier in a location where less external light gets in (darker) than the present location, and check the non-imagearea erase check mode again.

(2) Error message 2

Adjust for Extreme Brightness.

In many cases, the Non-Image Area Erase function will not operate correctly.

Please refer to [ADJUSTMENT/SETTING]-[Machine Adjust] columns of the Service Manual.

Handling 2

When the non-image area erase function is not used very frequently, the copier can be used in the current instal-lation location. However, if the non-image area erase function is frequently used, install the copier in a locationwhere less external light gets in (darker) than the present location, and check the non-image area erase checkmode again. At this time, when there is a bright light source such as a fluorescent light installed directly abovethe copier, reconsider the installation location, or take some measures to shield the light source and check themode again.

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9.3.23 ADF Density Adjustment (ADF Adjustment)

A. Function

• Adjust the sensitivity for ADF reading.

B. Usage

• Since the slit glass of the scanning section is coated with electrical conductive material, The way it refractslight from the exposure lamp is different from that of the original glass. Thus, perform this adjustment whenreplacing the slit glass.

C. Preparation

• Clean the slit glass.• Make sure the white chart is not dirty. (Partial dirt can be ignored)

D. Procedure


2. "Machine Adjustment menu screen"Press [07 ADF Adjustment].

3. "ADF Adjustment menu screen"Press [01 ADF Density Adjustment].

4. "ADF density adjustment screen"Set the "white chart" on the DF.

Note

• Set the "white chart" in the A4-direction.

5. Press [Start].The white chart is scanned, and density is automatically adjusted.

6. When an error message appears, turn OFF/ON the sub power switch (SW2) of the main body. Repeatsteps 1 to 5 until it is completed properly.

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9.3.24 ADF Original Size Adj. (ADF Adjustment)

A. Function

• Adjust the original size in setting the original on ADF.

B. Usage

• Conduct this adjustment when the original size detection does not work properly.

C. Procedure



3. "ADF Adjustment menu screen"Press [02 ADF Original Size Adj.].

4. "ADF original size adj. (81/2 x 11) 1/2 screen"Set A4 (Metric area)/81/2 x 11 (Inch area) paper on the DF and press [Start].* (A4) appears in Metric area and (81/2 x 11) appears in Inch area.

5. "Confirm the message of completion, press [Next].

6. "ADF original size adj. (51/2 x 81/2) 2/2 screen"Set A5S (Metric area)/51/2 x 81/2S (Inch area) paper on the DF and press [Start].* (A5S) appears in Metric area and (51/2 x 81/2S) appears in Inch area.

7. Confirm the message of completion, press [COPY].

8. Make sure the DF original size is properly detected.

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9.3.25 ADF Sensor Sensitivity (ADF Adjustment)

A. Function

• Adjust the sensor sensitivity of DF.

B. Usage

• Conduct this adjustment when a malfunction (JAM display does not disappear despite no paper JAM)occurs in the reflective type sensors.

C. Preparation

• Clean each of the DF reflective sensors.

D. Procedure



3. "ADF Adjustment menu screen"Press [03 ADF Sensor Sensitivity].

4. "ADF sensor sensitivity adjustment screen"Press [Start].The DF sensor sensitivity is automatically adjusted, and the message of completion appears.

5. Press [COPY] to check to see if there is any malfunction.

6. When malfunction is found, press [SERVICE] to repeat steps 4 and 5.

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9.3.26 ADF Skew Offset Adj. (ADF Adjustment)

A. Function

• Adjust image skew in the DF scanning mode.

B. Usage

• Conduct this adjustment when the image skew occurs in the DF scanning mode.

Note

• This adjustment is reflected to the auto skew adjustment control in DF scanning mode.

C. Procedure



3. "ADF Adjustment menu screen"Press [04 ADF Skew Offset Adj.].

4. "ADF Skew Offset Adjustment screen"Press [COPY].

5. Set the "adjustment chart" on the DF and press the Start button.

6. Check the image skew.Standard value: within ±0.5%Difference between a and b is 2.1mm or less


8. "ADF Skew Offset Adjustment screen"Enter a value through the numeric keys and press [Set].Setting range: -60 (counterclockwise) to +60 (clockwise) 1 step = 0.05%


10. Press [Return] to return to the "ADF adjustment mode menu screen."

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9.3.27 Recall standard data

A. Function

• Reset the adjustment values of the machine adjustment to the factory initial data or the installation initial

data.

B. Usage

• The same adjustment table is changed since some parts of the machine adjustment can be changed by theuser. Therefore, conduct this adjustment when the adjustment values cannot be initialized because of theerroneous operation by the user.

C. Procedure


2. "Machine Adjustment menu screen"Press [08 Recall Standard Data].

3. "Recall standard data:Machine adjustment screen"Press [Factory Initial Data] or the [Installation Initial Data].

Note

• Selecting [Factory Initial Data] recalls the factory initial data.

• Selecting [Installation Initial Data] recalls the adjustment values stored when code "91" of the I/

O check mode was conducted.

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© 2009 KONICA MINOL T A BUSINESS TECHNOLOGIES, INC .

Printed in Japan CCA0Y5-M-FE2- 0000

Use of this manual should be strictly supervised to avoid disclosu r e of confidential information .

Date post:	13-Apr-2015
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