Panasonic UF-8300, Service Manual

Page: 102 / 261

102
UF-7300/7200
UF-8300/8200
4.3.2. Blank Copy
Paper Travel
START
Check the Scanner mechanism.
Are there any foreign particles or
stains on the BTR?
Is the Toner Cartridge operational?
Is the Power Supply Unit normal?
END
Yes
Yes
Yes
No
No
No
Replace the Toner Cartridge.
Yes
No
1. Clean the BTR with a soft, dry cloth.
2. Replace the BTR.
1. Check all connectors, and
voltages on the Power Supply Unit.
2. Check the Connector, and
voltage on the Power Supply Unit.
3. Replace the Power Supply Unit.
Are there any foreign particles or
stains blocking the Laser Beam path?
Yes
No
Is the SC PCB normal?
1. Remove the particles from the
laser beam path, or clean the stains.
2. Replace the Laser Unit (LSU).
1. Check all connectors, and voltages
on the SC PCB.
2. Replace the SC PCB.
Yes
No
Is the printout in Service Mode 3
normal?
Yes
No
Is the SPC PCB normal?
1. Check all connectors, and voltages
on the SPC PCB.
2. Replace the SPC PCB.