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3-168 Troubleshooting Analysis Guide (TAGs)
TAG 807: Misregistered/Skewed Prints (Simplex)
If this problem occurs in the duplex printing mode only, go to TAG 901: Misregistration/
Skewed Prints (Duplex).
Error Code: 807
Possible Causes: Paper incorrectly loaded
Wrong weight or type of paper loaded
Possible Defects: Upper cassette
Lower cassette
Upper paper guide assembly
Lower paper guide assembly
Paper timing guide assembly
Paper timing roller assembly
Upper pick-up roller assembly
Upper feed roller assembly
Upper pinch rollers
Lower feed roller assembly
Lower pick-up roller assembly
Lower pinch rollers
Paper feed drive belt
Paper feed idler assembly
Main drive gear assembly
PCL board
If the test pattern has a 20 line indicator at the top of the page, registration is correct when
the line of the indicator is at the leading edge of the print (+ or-2).
If the problem varies from print to print, a mechanical binding malfunction may be at
fault.
1
Inspect both paper cassettes for damage.
• Make sure the paper in the cassettes is loaded properly.
• Make sure the side and rear paper guides are positioned properly.
• Inspect both paper paths for contamination and remove any obstructions.
• Confirm that the paper in the cassettes meets paper specifications, outlined in the Guide to
Operations at the back of this manual.
• Power-on-reset the printer.
• Remove and insert the cassette causing the problem. Confirm that the code, which displays on
the operator’s panel, corresponds to the paper size in the cassette. (The codes and the paper sizes
to which they correspond are listed in the Guide to Operations. Refer to TAG 702: Paper Size
Detection Malfunction.
• Run test prints from the upper cassette.
Is the problem with the upper cassette?
No: Go to #5 in this TAG.
Yes: Continue.