HP C30 manual TAG 021 Paper Jam/Misfeed in /Lower Cassette Area, Is error code 021 displayed?

TAG 021: Paper Jam/Misfeed in /Lower Cassette Area

Error Code:	021
Possible Causes:	Paper loaded incorrectly
	Wrong weight or type of paper loaded
	Paper path obstruction
Possible Defects:	Lower pick-up roller assembly
	Lower feed roller assembly
	Lower pick-up roller drive assembly
	Upper paper guide assembly
	Lower paper guide assembly
	Lower paper cassette
	Pick pressure adjustment
	Main drive gear assembly
	Idler assembly
	Paper feed drive belt
	Paper feed drive idler assembly
	Paper timing sensor
	Wiring or connectors
	PCL board

1 Check both paper paths and remove any jams.

•Make sure paper is loaded properly in both cassettes.

•Make sure the paper guides are positioned properly.

•Check that the pick-up roller, feed roller, and backup roller assemblies are clean.

•Verify that J/P40, J/P62, J/P67, and J/P69 are connected properly.

•Confirm that the paper in the cassettes meets paper specifications, which are described in the Guide to Operations manual.

•Remove the upper cassette.

•Power-on-reset the printer.

•Run test prints from the lower cassette.

Is error code 021 displayed?

No: Go to #14 in this TAG.

Yes: Continue.

2 Turn the printer off and inspect the following for damage or binding:

•Lower paper guide assembly

•Upper paper guide assembly

•Paper feed drive belt

•Paper feed drive pulley

•Paper feed drive idler assembly

•Main drive gear assembly

•Lower pick-up roller drive assembly

Are all the parts in good working order?

No: Replace the damaged parts, then turn to TAG 002: Check & Problem Resolution.

Yes: Continue.

3-30 Troubleshooting Analysis Guide (TAGs)