Diagnostic information 2-151
4062
Image Quality
Faint print (Low contrast)
Before starting, check the media route for foreign objects, such as staples, clips, and scraps, in the media path.
Step Check Yes No
1 Check the media condition.
Load new, dry, recommended media, and perform a print
test.
Is the image density normal?
Problem solved. Go to step 2.
2
Check the toner level.
Is the toner level normal?
Go to step 3. Replace the
print cartridge.
3
Check the transfer roll assembly for contamination and
wear.
Is the above component free of excess wear and
contamination?
Go to step 4. Replace the
transfer roll
assembly.
Go to “Transfer
roll assembly
removal” on
page 4-80.
4
Check the print cartridge for proper installation.
Is the print cartridge properly installed?
Go to step 5. Inspect, clean
and reinstall
replace the print
cartridge.
5
Check the laser beam route.
Check for debris between the printhead assembly and
the PC drum.
Is the laser beam route free of debris and the glass
window, in the printhead assembly, free of
contamination?
Go to step 6. Remove debris
or clean the
printhead
assembly
window.
6
Check the HVPS card assembly for proper connection.
Is the above component properly connected?
Replace the
HVPS card
assembly. Go to
“HVPS card
assembly
removal” on
page 4-24.
Replace the
connections.
Leading edge
Trailing edge
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