7/29/2019 Cleaning Print Head Window1690MF

1/9

Cleaning the Machine8-16

Print Head Window

Continuing to use this machine with a dirty print head window can cause print

quality problems.

Clearing the Print Head Window

1 With the main screen displayed, press the * key to display the PRINTERMODE screen.

2 Press the , key to select T/C CHANGE and then press the Select key.3 Press the , key to select P/H CLEAN MODE and then press the Select

key.

" It is not possible to exit P/H CLEAN MODE before the operation isfinished (even if the Stop/Resetkey is pressed).

If the machine has incorrectly been switched to P/H CLEAN

MODE, perform steps 4 through 7, then steps 11 through 16 (skip-

ping steps 8 through 10) to exit P/H CLEAN MODE mode.

4 Open the front cover.

" Before opening the frontcover, open Tray 1 if it is

not already open.

7/29/2019 Cleaning Print Head Window1690MF

2/9

Cleaning the Machine 8-17

5 The magenta toner cartridge hasbeen moved to the position from

where it can be replaced.

Pull down the handle on the

toner cartridge until the toner

cartridge is unlocked and moves

out slightly toward you.

Remove the toner cartridge.

" When the magenta tonercartridge is removed, a

gap is created within the

machine so that the print

head window can easily

be cleaned.

Note

Do not touch the contact

indicated the illustration.

7/29/2019 Cleaning Print Head Window1690MF

3/9

Cleaning the Machine8-18

6 Close the front cover.

" The toner cartridge rotatewithin the machine.

7 After the toner cartridges havefinished rotating, open the scan-

ner unit.

Note

Do not touch the wires and flat

cable shown in the illustration.

7/29/2019 Cleaning Print Head Window1690MF

4/9

Cleaning the Machine 8-19

8 Grab the handle and lift it upslightly to the back, and then

slowly pull the imaging cartridge

out vertically.

Note

Do not touch the PC drum and the transfer belt on the imaging

cartridge.

Position the removed imaging

cartridge horizontally as shown in

the illustration at the right.

Be sure to keep the imaging

cartridge horizontal and place it

where it will not become dirty.

Do not leave the imaging

cartridge removed for more than15 minutes, and do not place the

removed imaging cartridge in a

location where it would be

exposed to direct light (such as

sunlight).

7/29/2019 Cleaning Print Head Window1690MF

5/9

Cleaning the Machine8-20

9 Clean the print head window bywiping it with a soft, dry cloth.

CAUTION

The area around the fuser unit isextremely hot.

Touching anything other than the

indicated levers may result in

burns. If you get burned,

immediately cool the skin under

cold water, and then seek

professional medical attention.

7/29/2019 Cleaning Print Head Window1690MF

6/9

Cleaning the Machine 8-21

Note

Decreased print quality may

result if the surface of the

transfer roller is touched.

Be careful not to touch the

surface of the transfer roller.

10 Slowly insert the imaging car-tridge vertically, and then push it

slightly down toward you to fin-

ish reinstalling the imaging car-

tridge.

7/29/2019 Cleaning Print Head Window1690MF

7/9

Cleaning the Machine8-22

11 Close the scanner unit.

Note

Do not touch the wires and flat

cable shown in the illustration.

12 Press the Stop/Reset key.

7/29/2019 Cleaning Print Head Window1690MF

8/9

Cleaning the Machine 8-23

13 After the toner cartridges havefinished rotating, open the front

cover.

14 Align the shaft on each end ofthe toner cartridge with its hold-

ers, and then insert the car-tridge.

7/29/2019 Cleaning Print Head Window1690MF

9/9

Cleaning the Machine8-24

Note

Do not touch the contact

indicated the illustration.

15 Press in the magenta toner car-tridge until it locks into place.

16 Close the front cover.