Phaser 6121MFP Service Manual 5-31
Print-Quality Troubleshooting
Skew
The print on the copy is on an uneven skew from the original.
Initial Actions
Check to see if the skew is within specification. See the Skew specification in “Print-
Quality Specifications” on page 5-35.
Perform the initial actions listed on page 5-5.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Scanner Unit, PL2.0.4
■ ADF Feed Roller, PL1.1.4
■ ADF Pick Pad, PL1.2.9
■ Feed Roller, PL6.0.1
■ Laser Unit, PL4.0.2
■ Engine Control Board, PL13.0.20
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Print Test Pattern 3
(page 6-32).
Is the skew error present?
Go to step 7. Go to step 2.
2 Does the paper feed
through the ADF?
Go to step 3. Go to step 6.
3 Check the document.
Does the document meet
the ADF specifications?
Readjust the ADF
paper guide to ensure
it is adjusted
correctly.
Go to step 4.
Use the document
glass mode or change
the paper type.
4 Does the image print
correctly?
Complete. Go to step 5.
5 Check the ADF Feed Roller
and Pick Pad.
Is there damage or debris
on the Feed Roller or Pick
Pad?
Remove the debris or
replace the ADF Feed
Roller (page 8-14)
and Pick Pad
(page 8-18).
Replace the ADF Unit
(page 8-39).
Chrysanthe
mum x morifolium
Skew 2
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