Toshiba E-STUDIO2008A, Service Manual, Page: 688 / 1016

e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A © 2015 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 150
8.3.10 Paper feeding system related service call
[C040] PFP motor is abnormal
Classification Error content
Paper feeding system related service
call PFP motor is abnormal.
Proce
dure
Check item Result Measure
Next
Step
1 Is the PFP motor working?
(Perform the output check
in the test mode: 03-109/
159) Yes 2
No 1. Check if the signal line connector CN506 of
the PFP motor is disconnected.
2. Check if the connector CN246 on the PFP
board is disconnected.
3. Check if the connector CN241 on the PFP
board is disconnected.
4. Check if the connector CN318 on the LGC
board is disconnected.
5. Check if the connector pins are
disconnected and the harnesses are open
circuited.
6. Check if the conductor patterns on the PFP
motor board, PFP board and LGC board are
short circuited or open circuited.
7. Replace the PFP motor.
8. Replace the PFP board.
9. Replace the LGC board.
2 Is the LED on the PFP
motor board lit without
flickering? Yes 3
No 1. Check if the connector pins are
disconnected and the harnesses are open
circuited.
2. Check if the conductor patterns on the PFP
motor board, PFP board and LGC board are
short circuited or open circuited.
3. Replace the PFP motor.
4. Replace the PFP board.
5. Replace the LGC board.
3 PFP board
LGC board 1. Check if the PLL lock signal CN246-7
output from the PFP board is always “L”
level.
2. Check if the voltage supplied to the
microcomputer input terminal IC5-17 is
always “L” level.
3. Replace the PFP board.
4. Replace the LGC board.
Parts to be replaced Remark
PFP motor
PFP board
LGC board