III. Color Laser Printer Image Quality
Problems
22. Blank Prints (No Error Code)
Any HP Color LaserJet printer:
u
Check that all toner cartridge
seals and chocks have been
removed
u
Run Configuration (Diag-
nostic) Page
(See Procedure #34)
u
Try different software application, driver,
network connection
u
Get printer service
Specific HP Color LaserJet printer:
4500/4550 only
•
Single blank print
u
Replace drum unit
(Laser shutter not opening)
u
Get printer service
(carousel drive assembly problem)
•
Continuous blank prints
u
Replace transfer kit
(two-hole belt problem)
4600/4650 only
•
Single blank print
u
Remove all toner cartridges, turn on
printer, turn off printer, then install
cartridges and try again
(shutters not opening)
u
Get printer service
(developer disengagement problem)
1500/2500/2550/2820/2840 only
•
Single blank print*
u
Get printer service
(carousel indexing problem)
23. Blank Print (With Error Code)
Any HP Color LaserJet printer:
u
Interpret error code and
troubleshoot accordingly
u
Get printer service
24. Color Density Problem
(Light or Dark)
•
Incorrect color density setting
u
Run Configuration (Diagnostic)
Page
(See Procedure #34)
u
Compare test print to “standard” test page*
u
Adjust colors as needed
(See Procedure #35)
u
Run (Full) Calibrate Now routine
(See Procedure #37) and retest
24. Color Density Problem
(Light or Dark) (continued)
u
Compare test page to “Standard”*
u
Run (Full) Calibrate Now routine again if
needed and retest
•
Cartridge malfunction
u
Run PQ Troubleshooting test
(See Procedure #36)
u
Compare test print to “standard” test
page and change cartridges as needed*
•
Corrupted print driver or software
u
Install updated print driver
u
Try printing from different software
u
Retest and compare Test Page to “Standard”
25. Color Images Misregistered
(Color Plane Registration, CPR)
u
Run Configuration (Diagnos-
tic) Page (See Procedure #34)
u
Compare test print to
“standard” test page*
u
Run (Full) Calibrate Now rou-
tine (See Procedure #37)
u
Retest and observe CPR indications.
u
Run (Full) Calibrate Now routine again if
needed and retest
26. Faded Lines, Streaks, Areas
Down Page
Any HP Color LaserJet printer:
u
Check that toner cartridge
seals and shipping locks have
been fully removed
u
Run Configuration (Diagnostic)
Page
(See Procedure #34) Down Page (c
u
Get printer service
(clouded scanner optics)
•
Cartridge malfunction
u
Run PQ Troubleshooting test
(See Procedure #36)
u
Check individual cartridges—
change cartridges as needed
Specific HP Color LaserJet printer:
4500/4550 only
•
Clouded laser/scanner optical mirror
u
Get printer service
1500/2500/2550/2820/2840 only
•
Faded to right (or left)*
u
Get printer service
(carousel index problem)
Faded streak
and line
Colors too
light (or dark)
Color
Misregistration
j
With
Error
Code
* More information available on request
* More information available on request
Faded on right
or left side
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