Toshiba e-studio191f Service Manual page 98

4.3.2. Blank Copy
START
Is the printout in Service Mode 3
normal?
No
Is the Toner Cartridge operational?
Yes
Are there any foreign particles or
stains on the BTR?
No
Is the Power Supply Unit normal?
Yes
Are there any foreign particles or
stains blocking the Laser Beam path?
No
Is the SC PCB normal?
Yes
Is the SPC PCB normal?
Yes
END
Yes
Check the Scanner mechanism.
No
Replace the Toner Cartridge.
Yes
1. Clean the BTR with a soft, dry cloth.
2. Replace the BTR.
No
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.
Yes
1. Remove the particles from the
laser beam path, or clean the stains.
2. Replace the Laser Unit (LSU).
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.
98
DP-1910F