2-154 Printer Service Manual
5057-XXX
Horizontal white stripes or bands (side to side direction)
Step Check Yes No
1 Check the media condition.
Load new, dry, and recommended media.
Re-print the defective image.
Does the error continue?
Go to step 2. Problem solved.
2
Are the media transfer route and the media path free of
contamination and debris?
Go to step 3. Remove debris or
contamination.
3
Check the four toner cartridges.
Re-print the defective image.
Is the image density normal?
Problem solved. Replace any
empty toner
cartridges.
4
Check the 2nd transfer roll assembly for contamination
and wear.
Is the 2nd transfer roll assembly free of excess wear and
contamination?
Go to step 5. Replace the 2nd
transfer roll
assembly.
Go to “2nd
transfer roll
assembly
removal” on
page 4-35.
5
Replace the transfer belt unit assembly. Go to “Transfer
belt unit assembly removal” on page 4-16.
Does the problem remain?
Go to step 6. Problem solved.
6
Replace the four developer units and four developer
carriers. Go to “Developer unit assembly removal” on
page 4-53 and “Developer carrier removal and
replacement” on page 4-57.
Does the problem remain?
Go to step 7. Problem solved.
7
Check the developer/transfer roll HVPS card assembly.
Replace the developer/transfer roll HVPS card assembly.
Go to “Developer / transfer roll HVPS card assembly
removal” on page 4-112.
Perform a print test.
Does the problem remain?
Go to step 8. Problem solved.
Leading edge
Trailing edge
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