The information in this document will help in finding causes for print related defects and what to do ab out them. Image Quality Blank Print .................................................................................1 L ig h t Print ....................................................................................2 Backg ro u nd ing ...........................................................................3 Blac k Print ...................................................................................4 Fine V e rtic al L ine s ......................................................................5 Irre g u lar V e rtic al line s .................................................................6 W h ite S tre aks ..............................................................................7 Fu zzy V e rtic al L ine s .....................................................................8 C e nte r S tre ak ..............................................................................9 H o riz o ntal L ine s .......................................................................10 R ep e ating D e f e c ts ............................................................... 11-14 R and o m S p o ts ...........................................................................15 S p rinkle s ....................................................................................16 Im ag e G h o sting .................................................................. 17-18 G h o sting ....................................................................................19 Bac ks id e M arking ......................................................................20 Bu b b ling o r G rap e Patte rn ......................................................21 Blu rre d Print (T rans f e r Blu r) .....................................................22 Band ing .....................................................................................23 L e ad o r T rail E d g e Bac k Bac kg ro u nd ing .................................24 C h arac te r V o id s ........................................................................25 Po sitiv e G h o sting .....................................................................26 N eg ativ e G h o sting ...................................................................27 To ne r Blas ting ............................................................................28 C o lo r P r in t Quality C o lo r Print Pro b le m s .................................................................29 C h ip R elated Is s ues U nd e rs tand ing C h ip s & W h at th ey d o ...................................30 10 .10 S u p p ly E rro r.....................................................................31 Image Quality 1. Blank Print • Tonersealnotremoved u Remove S ea l • C a rtrid g e e m p ty u Rep la c e ton er c a rtrid g e • L a s e r s h u t t e r n o t o p e n in g u Rep la c e ton er c a rtrid g e • P rin te r p ro b le m u H a ve q u a lifi ed tec h n ic ia n servic e u n it 2. L ig h t Print • P rin te r d e n sity se ttin g o n lo w u A d ju st p rin ter d en sity to d a rk er settin g u Ru n p a g es b etw een a d ju stmen ts u If n o c h a n g e rep la c e ton er ca rtrid g e • B a d m a g n e tic ro lle r c o n ta c t u Rep la c e ton er c a rtrid g e • C a rtrid g e lo w ontoner u Rep la c e ton er c a rtrid g e • Baddrum contact u Rep la c e ton er c a rtrid g e • P o o r p rin t m e d ia u Rep la c e med ia 3. Bac kg ro u nd ing • P rin te r d e n sity se ttin g o n h ig h u A d ju st p rin ter d en sity to lig h ter settin g u Ru n p a g es b etw een a d ju stmen ts u If n o c h a n g e rep la c e ton er ca rtrid g e • Baddrum contact u Rep la c e ton er c a rtrid g e 4. Blac k Print • B ad m ain co ro n a w ire/ Sh o rte d m a in co ro n a g rid u H a ve th e p rin ter servic ed (clea n in g ) • B a d P C R c o n n e c tio n u Rep la c e ton er c a rtrid g e • D islo d g e d P C R u Rep la c e ton er c a rtrid g e • Baddrum contact u Rep la c e ton er c a rtrid g e • L e a k y c a r t r id g e u Rep la c e ton er c a rtrid g e 5a. F ine V e rtic al L ine (s ) • Scratcheddrum u Rep la c e ton er c a rtrid g e • D irty m irro r in p rin te r u C lea n mirror w ith lin t-free c lot h • S c r a t c h e d f u s e r r o lle r u Rep la c e fu ser b y servic e tec h n ic ia n 5b . F ine V e rtic al L ine (s ) • D irty m irro r in p rin te r u C lea n mirror w ith lin t-free c lot h • D e b ris in ca rtrid g e u Rep la c e ton er c a rtrid g e • B lo c k e d d o c to r b la d e o r c h a rg e b la d e u Rep la c e ton er c a rtrid g e • Scratcheddrum u Rep la c e ton er c a rtrid g e 6. Irre g u lar V e rtic al L ine (s ) • Scratcheddrum u Rep la c e ton er c a rtrid g e • W o rn d ru m u Rep la c e ton er c a rtrid g e
Transcript
The information in this document will help in finding causes for print related defects and what to do ab out them.
Image QualityBlank Print .................................................................................1L ig h t Print ....................................................................................2Bac kg ro u nd ing ...........................................................................3Blac k Print ...................................................................................4F ine V e rtic al L ine s ......................................................................5Irre g u lar V e rtic al line s .................................................................6W h ite S tre aks ..............................................................................7F u z z y V e rtic al L ine s .....................................................................8C e nte r S tre ak ..............................................................................9H o riz o ntal L ine s .......................................................................10R e p e ating D e f e c ts ............................................................... 11-14R and o m S p o ts ...........................................................................15S p rinkle s ....................................................................................16Im ag e G h o s ting .................................................................. 17-18G h o s ting ....................................................................................19Bac ks id e M arking ......................................................................20Bu b b ling o r G rap e Patte rn ......................................................21Blu rre d Print (T rans f e r Blu r) .....................................................22Band ing .....................................................................................23L e ad o r T rail E d g e Bac k Bac kg ro u nd ing .................................24C h arac te r V o id s ........................................................................25Po s itiv e G h o s ting .....................................................................26N e g ativ e G h o s ting ...................................................................27T o ne r Blas ting ............................................................................28
C o lo r P r in t QualityC o lo r Print Pro b le m s .................................................................29
C h ip R elated Is s uesU nd e rs tand ing C h ip s & W h at th e y d o ...................................3010 .10 S u p p ly E rro r.....................................................................31
Image Quality
1. Blank Print
• T o n e r s e a l n o t r e m o v e du Remove S ea l
• C a r t r id g e e m p t yu Rep la c e ton er c a r t r id g e
• L a s e r s h u t t e r n o t o p e n in gu Rep la c e ton er c a r t r id g e
• P r in t e r p r o b le mu H a ve q u a lifi ed tec h n ic ia n servic e u n it
2. L ig h t Print
• P r in t e r d e n s it y s e t t in g o n lo wu A d ju s t p r in ter d en s it y to
d a r k er set t in g u Ru n p a g es b et w een a d ju s tmen t s u If n o c h a n g e rep la c e ton er c a r t r id g e
• B a d m a g n e t ic r o lle r c o n t a c tu Rep la c e ton er c a r t r id g e
• C a r t r id g e lo w o n t o n e ru Rep la c e ton er c a r t r id g e
• B a d d r u m c o n t a c tu Rep la c e ton er c a r t r id g e
• P o o r p r in t m e d iau Rep la c e med ia
3. Bac kg ro u nd ing
• P r in t e r d e n s it y s e t t in g o n h ig hu A d ju s t p r in ter d en s it y to
lig h ter set t in g u Ru n p a g es b et w een a d ju s tmen t s u If n o c h a n g e rep la c e ton er c a r t r id g e
• B a d d r u m c o n t a c tu Rep la c e ton er c a r t r id g e
4. Blac k Print
• B a d m a in c o r o n a w ir e / S h o r t e d m a in c o r o n a g r id
u H a ve t h e p r in ter servic ed (c lea n in g )
• B a d P C R c o n n e c t io nu Rep la c e ton er c a r t r id g e
• D is lo d g e d P C Ru Rep la c e ton er c a r t r id g e
• B a d d r u m c o n t a c tu Rep la c e ton er c a r t r id g e
• L e a k y c a r t r id g eu Rep la c e ton er c a r t r id g e
5a. F ine V e rtic al L ine (s )
• S c r a t c h e d d r u mu Rep la c e ton er c a r t r id g e
• D ir t y m ir r o r in p r in t e ru C lea n mir ror w it h lin t -f ree
c lot h
• S c r a t c h e d f u s e r r o lle ru Rep la c e f u ser b y servic e tec h n ic ia n
5b . F ine V e rtic al L ine (s )
• D ir t y m ir r o r in p r in t e ru C lea n mir ror w it h lin t -f ree
c lot h
• D e b r is in c a r t r id g eu Rep la c e ton er c a r t r id g e
• B lo c k e d d o c t o r b la d e o r c h a r g e b la d e
u Rep la c e ton er c a r t r id g e
• S c r a t c h e d d r u mu Rep la c e ton er c a r t r id g e
6. Irre g u lar V e rtic al L ine (s )
• S c r a t c h e d d r u mu Rep la c e ton er c a r t r id g e
• W o r n d r u mu Rep la c e ton er c a r t r id g e
7a, c. White Streak(s)
• Cartridge low on toneru Replace toner cartridge
• Dirty mirror in printeru Clean mirror with lint-free
cloth
• Debris in cartridgeu Replace toner cartridge
• Blocked doctor blade or charge bladeu Replace toner cartridge
7b. White Streak
• Cartridge low on toneru Replace toner cartridge
• Part of toner seal still intactu Replace toner cartridge
• 1.7”/43 mm (WX, 8100, N32)u Replace toner cartridge
15. Random Spots
• Debris in cartridgeu Replace toner cartridge
• Dirty printeru P rinter service needed by
qualified service technician
16. Sprinkles
• Bad recovery bladeu Replace toner cartridge
• Leaking cartridgeu Replace toner cartridge
• Dirty printeru P rinter service needed by
qualified service technician
17. Ghosting (5” spacing)• Bad drum
u Replace toner cartridge• Bad wiper blade
u Replace toner cartridgeSee 11
18a, b. Ghosting (3.7” spacing)• Bad drum
u Replace toner cartridge• Bad wiper blade
u Replace toner cartridgeSee 12
18a, b. Ghosting (3.7” spacing)
• Bad drumu Replace toner cartridge
• Bad wiper bladeu Replace toner cartridge
See 12
19. Ghosting (2” spacing)
• Bad magnetic ruleru Replace toner cartridge
See 13
20. Backside Marking
• Old fuser wandu Replace wand (HP II/III,
L ex mark Printers ex cept E & T 6 3 0 /3 2 /4 0 )
• Contaminated fuseru Replace fuser by qualified service technician
• Leaking cartridgeu Replace toner cartridge
21. Grapes
• Main corona/corona grid arcingu M achine malfunction - service
by qualified service technician
• Worn printer
22. Transfer Blur
• Poor print mediau Replace media
23. Banding
• G ear jitter
• Worn components
• Bad fuser rolleru M achine malfunction service
by qualified service technician
24. Lead or Trailing Edge Backgrounding
• Stiff or thick mediau Adjust density to darker settingu Repeat until defect is goneu Consult owners manual for
max imum media thickness
• Bad doctor blade contact (IBM4019/4029/4039/4049)
u Replace toner cartridge
25. Character Void(s)
• Poor print mediau Replace media
• H igh relative humidityu Replace mediau Consult owners manual for
proper environmental conditions
• Bad fuser rolleru M achine malfunction - service by qualified
service technician
26. Positive Ghosting
• G host image is duplicate of original (see repeating defects)
27. Negative Ghosting
• G host image is duplicate of original (see repeating defects)
28. Blasting
• Toner scatter in backgroundarea adjacent to print area
u Replace toner cartridge
• Machine malfunction - service by q ualifi ed service technician
A
A
A
Color Print Quality
29. COLOR PRINT PROBLEMS: TROUBLESHOOTING COMMON PRINT DEFECTS
Even with routine maintenance, print problems can occur.
There are certain print media you should not use.HP warns against using certain media like embossed paper thatwill not print satisfactorily and could even harm your printer.Check your Printer Operator’s Manual or the HP website.
Print is lighter or darker than intended.
• Before packaging, we test all our assembled cartridgesin a printer to assure their fitness for use with the density(image darkness or lightness) setting in the standard middlerange. Y our printer automatically adjusts color. Y ou may wantthe graphics on the pages you print with your replacementcartridges to appear ex actly like the originals, or you may justwant to change the colors slightly to your preference.• Adjust the colors as described1. Press the MENU or the Select ( ) button to enter the
Menus.2. Press the down arrow until you highlight CONFIGURE
DEVICE.3. Press the Select button to select the PRINT Q UA LITY menu.4. Press the Select button to select A DJUST COLOR.5. Press the Select button to select HIGHLIGHTS.6. Select the color or colors you want to make darker or lighter.
For ex ample, if the printed page appears to have too muchblue (cyan), you can change the default cyan setting of“ 0” all the way down to “ -5.” Y ou can do the same with ma-genta, yellow and black. Conversely, you can add more ofeach color by adjusting each upward as high as “ 5.”
7. Print a sample page after each set of adjustments andadjust the colors further, if necessary, until the colors onthe page are to your preference.
• Note: A new density setting may take 20 to 100 pagesbefore the printer makes all of the proper adjustments.
Light Print or Color Imbalance
• Can also be caused by “ toner starvation” that usually oc-curs at the end of the life cycle of a toner cartridge.• Y our printer display warns if it is out of toner. Replace thecartridge indicated.• DO NOT try to get more life out of color cartridges byremoving them from the printer and shaking them. Tonercan leak.• Light print can also be related to humidity levels. Lowlevels of humidity (RH), typically occurring in winter, highelevations or desert-like climates can cause light print. Highhumidity levels can result in denser (darker) print. Eitherre-set the density levels (as described above) or wait for ac-ceptable conditions.
Marks on the back of the Page HP Color 4600 & 4650
• Toner smears or a mark on the back of the page is causedby improper post height.• On the back of the toner cartridge are posts that willmove the toner cartridge away from the belt when not inuse during printing
• If the post height is not within specification marks will ap-pear on the Image Transfer Belt (OPC) & back of the paper.• Replace the effected toner cartridge
Print q uality problems
• A printer calibration may clear up the problem. Calibratethe printer as described.
1. Press the MENU or the Select ( ) button to enter theMenus.
2. Press the down arrow until you highlight CONFIGUREDEVICE.
3. Press the Select button to select the PRINT Q UA LITY menu.4. Press the down arrow to highlight FULL CA LIBRA TION
NOW.5. Wait for the calibration to complete
• Print a page and see if the defect disappears.• If the defect doesn’t disappear, you can run a quicktroubleshooting test to determine whether the defect is as-sociated with a specific color cartridge:
1. Press the ME N U or the Select ( ) button to enter theMenus.
2. Press the down arrow until you highlight DIA GNOSTICSand press the Select button.
3. Press the down arrow until you highlight PQ TROUBLE-SHOOTING.
4. Press the Select ( ) button to print the pages.
The printer will print four color pages and a configurationpage. By looking at the color pages, you should be able toidentify if a specific color cartridge is causing the defect byseeing the problem only in that specific color.• If the defect is in a specific color, replace the color car-tridge and see if the print defect goes away.• If the defect appears on all color pages, the problem maybe with other printer components and not the cartridge.• The configuration page shows whether the printer isproperly calibrated for color.• A shift in hues or incorrect colors will show up as missingcolor patches on the configuration page.• Shadows or halos behind tex t may show up as misalignedCPR (Color Plane Registration) bars in the four corners of theconfiguration page. In both cases, re-calibrating the printershould resolve the problems. If not, technical support may berequired.
HP Color LaserJet 4600/5500: Toner Leaking
The HP Color LaserJet (CLJ ) 4600 and 5500 represented asignificant upgrade over earlier generations of color laserprinters like the original CLJ and CLJ 5, the CLJ 4500/4550,and the CLJ 8500/8550. Their print speed was faster, printquality was better, and the printing process was simpler, butthese newer printers also have some characteristic problemsof their own.One of the most common of these problems can occur withany of the cartridges, but seem to be most common withmagenta. This problem takes several forms:• Toner leaking and spilling into the printer.• Toner streaks on either side of the page, and/or on thetransfer belt.
• Clicking noises in the cartridges.
These issues can all be caused by the same thing, and it’s notsomething that you would ever guess! Fortunately, the solu-tion turned up in an HP service note. The basic problem is apeculiarity of the DC controller firmware, and mostly occurswhen you are printing monochrome documents from tray 1(the manual or multi-purpose tray) with the tray 1 siz e andtype both set to “any.” In this mode, the printer performsan extra toner purge and cleaning cycle after every printjob. If you print this type of job often enough, the wastetoner hopper in the cartridge will fill up prematurely, caus-ing the symptoms described above.It is important to realiz e that once this happens, you mustreplace the affected cartridge. The other solutions we areabout to describe will prevent this from happening again,but they cannot save a cartridge that already has its wastetoner hopper filled! So, whatever else you do, replace theaffected cartridge (usually magenta). For the rest of thesolution, there are two options.The simpler— and cheaper— option is to go into the PaperHandling Menu and change the tray 1 settings. Set ei-ther “Tray 1 Siz e” or “Tray 1 Type” to something specific,anything other than “any.” Of course, this decreases yourfl exibility in how you can use tray 1. So you may prefer theother solution: upgrade the DC controller firmware.U nfortunately, this DC controller firmware is not fl ashable,so the only way to upgrade it is to replace the DC controller(part number RG5-6391 for the 4600, C9656-67905 for the5500). All new DC controllers will be the upgraded versions,but you can check your existing DC controller by printinga Configuration Page and checking the “Printer Number”under the Printer Information Section. This number shouldbe 6D or higher for the 4600 and 70 or higher for the 5500.If not, you have the old version.HP recommends that you also upgrade your main printerfirmware at this time, even though it has no direct bearingon this problem. This firmware is fl ashable, and you candownload the file free of charge from HP’s website (www.hp.com). You will find it under the “Drivers and Downloads”section.To sum up, if you have the toner leakage problem on one ofthese printers, you need to do two things:1. Replace the affected cartridge (usually magenta) and
clean any excess toner from the transfer belt and printer.2. Either change your tray 1 settingsPerform these two steps, and you should solve your prob-lems with leaking toner.
Print quality problems associated with the environment Print quality problems might be due to abnormal charac-teristics of the work environment, for example, excessivelyhumid or dry conditions. Verify that the printer is in a workenvironment within the following specifications:
Environmental specifi cations Environment Recommended AllowedTemperature 17 to 25° C 10 to 30° C
(62.6 to 77° F) (50 to 86° F)Humidity 30 to 70% RH 10 to 80% RHAltitude 0 to 2600 m
(0 to 8530 ft)
Chip Related Issues
30. Understanding Chips & What They do
Toner Cartridges since the HP 4100 have been utiliz ingchip technology to work with the printer to do a verity ofthings from Page Yield to detect that a Toner Cartridge wasinstalled. Other manufactures have similar technology thatworks in the same way.
Chips will do the following:1. Page Yield2. Estimated page yield3. Pages printed4. Replacement of Toner Cartridge
Beside these few things the other main purpose if tellwhether a Genuine Toner Cartridge has been installed.When a remanufactured chip is working correctly theprinter can tell the difference. If a error does occur theerror will Non Hewlett Packard Toner Cartridge installed or10.10.XX error will occur. These errors in most cases will notkeep the printer from functioning.
31. 10.10.X X Supply Error Hewlett Packard
The 10.10.XX supply error is a warning that the printer cannot detect a Toner Cartridge.In some models simply pressing the green check mark but-ton on the printer will allow you to continue.
In color printing the error will be followed10.10.00/01/02/03 the last two digits will identify the prob-lem cartridge.
10.10.00 Black
10.10.01 Cyan
10.10.02 Magenta
10.10.03 Yellow
This means that information can not write to the chip. Thefix for this could be to Cold Start the printer.
To trouble shoot this error1. Power off the printer & on the printer.2. Replace the toner cartridge3. Cold Reset the printer
1. Turn on the printer.2. Watch the control panel.3. When the memory starts counting, press and hold the
green (Select) button.4. Continue holding the green check button until the
Ready, Data, and Attention lights fl ash once, and thenstay on steady.
5. Release the check button when the Ready, Data, andAttention light are on steady.
6. The control panel will display SELECT LANGU AGE.7. Press q (Down Arrow) button once. The control
panel will display COLD RESET.8. Press (Select). The printer will perform a cold reset
and then continue its power-on sequence.a. Wait for the printer prompt to install each print
cartridge.If this action does not fix the problem the printer willneed to be serviced.
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