HP C30 - Page 204

TAG 800: Prints Blank or With Dark Horizontal Bands
3-150 Troubleshooting Analysis Guide (TAGs) June 1999
16 Turn the printer off and unplug the power cord.
• Remove the photoconductor.
• Clean the photoconductor unit contacts and guide rail contacts.
• Check the bottom connector contact on the photoconductor guide rail for continuity to ground.
Is there continuity?
No: Repair or replace the grounding circuit wiring, then turn to TAG 002: Check & Problem
Resolution.
Yes: Continue.
17 Reinstall the photoconductor unit.
• Turn the printer on.
• Run test prints.
Has the problem been resolved?
No: Replace the photoconductor unit, then turn to TAG 002: Check & Problem Resolution.
Yes: Contamination was at fault. Turn to TAG 002: Check & Problem Resolution.