HP C30 - TAG 055: Erase Lamp Malfunction

TAG 055: Erase Lamp Malfunction
3-64 Troubleshooting Analysis Guide (TAGs) June 1999
TAG 055: Erase Lamp Malfunction
Error Code: 055
Possible Defects: Erase lamp assembly
Connectors or wiring
PCL board
1 Turn the printer off and unplug the power cord.
• Verify that J/P26, J/P40 are connected properly.
• Power-on-reset the printer.
Is error code 055 displayed?
No: Continue.
Yes: Go to #3 in this TAG.
2 Run diagnostic test 013.
Is the value displayed less than 220?
No: A loose connector was at fault. Turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
3 Run diagnostic test 009.
• Watch all the LEDs on the erase lamp.
Do all the LEDs on the erase lamp come on, even momentarily?
No: Continue.
Yes: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.
4 Run diagnostic test 013.
• Check J/P26-2 for +12 Vdc immediately. After the start of the test, the voltage may drop to 0
Vdc.
Did you measure +12 Vdc?
No: Continue.
Yes: Go to #6 in this TAG.
5 Turn off the printer and unplug the power cord.
• Disconnect J/P26 and J/P40.
• Check P26-2 to P40-3 for continuity.
Is there continuity?
No: Repair or replace the connectors or wiring from P26-2 to P40-3, then turn to TAG 002:
Check & Problem Resolution.
Yes: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.