3 Verify that J/P305, J/P310, J/P311, J/P312, J/P320, J/P321, and J/P322 are connected properly to duplex control board #2.
•Verify that J/P306, J/P307, J/P308, J/P309, and J/P324 are connected properly to duplex control board #1.
•Verify that J/P315 and J/P316 are connected properly to the “A” and “C” roller clutches.
•Run test prints in duplex.
Did the test indicate an error code?
No: Registration or skew problems can only result from mechanical causes. Return to the beginning of this TAG.
Yes: Continue.
4 Did the side guides in the duplex tray move in and out while the test was running?
No: Go to #8 in this TAG.
Yes: Continue.
5 Check
Is the voltage +12 Vdc?
No: Replace duplex control board #2, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
6 Manually move the side guides in the duplex tray to the inside positions.
•Check
Is the voltage 0 Vdc?
No: Continue.
Yes: Replace duplex control board #2, then turn to TAG 002: Check & Problem Resolution.
7 Turn the printer off and unplug the power cord.
•Disconnect J/P320 and J/P312.
•Check the following for continuity:
Is there continuity?
No: Repair or replace the wiring or connectors from:
then turn to TAG 002: Check & Problem Resolution.
Yes: Replace the side sensor. If this resolves the problem, turn to TAG 002: Check & Problem Resolution. If this does not resolve the problem, replace duplex control board #2, then turn to TAG 002: Check & Problem Resolution.
Troubleshooting Analysis Guide (TAGs) |