HP C30 manual TAG 807 Misregistered/Skewed Prints Simplex, Is the problem with the upper cassette?

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.

3-168 Troubleshooting Analysis Guide (TAGs)