Printed Copy Quality Problems - Panasonic UF-8300 Service Manual

4.3.

Printed Copy Quality Problems

4.3.1. Black Copy
START
Is the printout in Service
Mode 3 normal?
No
Is the Toner Cartridge
operational?
Yes
Is the Power Supply
Unit normal?
Yes
Is the SC PCB normal?
Yes
Is the SPC PCB normal?
Yes
END
Yes
Check the Scanner mechanism.
No
Replace the Toner Cartridge.
No
1. Check all connectors, and voltages
on the Power Supply Unit.
2. Check the contacts between PSU,
and Toner Cartridge.
3. Replace the PSU.
No
1. Check all connectors, and voltages
on the SC PCB.
2. Replace the SC PCB.
No
1. Check all connectors, and voltages
on the SPC PCB.
2. Replace the SPC PCB.
101
UF-8300/8200
UF-7300/7200