Action Yes No
Step 1
Check the media condition. If necessary, load new, dry,
recommended media, and then perform a print test.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
Check the toner level, and replace the print cartridge if necessary.
Does the problem remain?
Go to step 3. Problem is solved.
Step 3
Check the transfer roll assembly for proper installation. If
necessary, reinstall the transfer roll assembly. Go to
“Transfer roll
assembly removal” on page 314.
Does the problem remain?
Go to step 4. Problem is solved.
Step 4
Check the left and right transfer roll bracket for damage. If
necessary, replace the left or right transfer roll brackets. Go to
“T650 printhead assembly removal” on page 334 or “T652,
T654, and T656 printhead assembly removal” on page 336.
Does the problem remain?
Go to step 5. Problem is solved.
Step 5
Check the transfer roll assembly for contamination and wear. If
necessary, reinstall the transfer roll assembly. Go to
“Transfer roll
assembly removal” on page 314.
Does the problem remain?
Go to step 6. Problem is solved.
Step 6
Check the print cartridge for proper installation. If necessary, clean
and reinstall the print cartridge.
Does the problem remain?
Go to step 7. Problem is solved.
Step 7
Check the laser beam route. If necessary, remove debris between
the printhead assembly and the PC drum or clean the printhead
assembly window.
Does the problem remain?
Go to step 8. Problem is solved.
4062
Diagnostic information
41
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