Printed Copy Quality Problems; Black Copy - Panasonic DP-1820P Service Manual

4.3.

Printed Copy Quality Problems

4.3.1.

Black Copy

Is the Test Pattern printout in
Copier F1 Mode or Fax
Service Mode 3 normal?
Is the OPC Drum/Developer
Unit operational?
Is the PS normal?
Is the SPC PCB normal?
Ver. 1.2
START
No
Yes
No
Yes
No
Yes
No
Yes
END
Check the Scanner mechanism.
Replace the OPC Drum/Developer Unit.
1. Check all connectors and voltages
on the PS.
2. Check the contacts between
PS and Developer Unit.
3. Replace the PS.
1. Check all connectors and voltages
on the SPC PCB.
2. Replace the SPC PCB.
121
DP-1520P/1820P/1820E
SEP 2004