Panasonic UF-8300, Service Manual

Page: 101 / 261

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