Diagnostic information 2-223
7500-XXX
Spots
Step Check Yes No
1 Check the media condition.
Load new, dry, recommended media.
Re-print the defective image.
Does the error continue?
Go to step 2. Problem solved.
2 Check the media transfer route.
Is the media route free of contamination or debris?
Go to step 3. Remove debris
or
contamination.
3 Check the toner cartridge.
Install a new toner cartridge.
Re-print the defective image.
Is the image density normal?
Problem solved. Go to step 4.
4 Check the transfer roll assembly.
Remove the transfer roll assembly.
Is the transfer roll assembly rotating, and free of
contamination, and wear?
Go to step 5. Replace the
transfer roll
assembly.
5 Check the heat roll and the pressure roll.
Remove the fuser unit assembly.
Caution: Allow the fuser unit assembly to cool down.
Is there contamination or cracks on the heat roll and/or
the pressure roll?
Replace the
fuser unit
assembly.
Go to step 6.
6 Check the printer engine card assembly.
Replace the printer engine card assembly.
Perform a print test.
Does the error continue?
Problem solved. Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-128.
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