Toshiba e-STUDIO2803AM - Paper Feeding System Related Service Call

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ERROR CODE AND TROUBLESHOOTING
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8.3.9 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 CN502,
CN503 of the PFP motor is disconnected.
2. Check if the connector CN411 on the PFP
board is disconnected.
3. Check if the connector CN410 on the PFP
board is disconnected.
4. Check if any of the connectors on the MAIN
board is disconnected.
20L/23L/25L/20H/23H/25H: CN26
23LA/23LM/28LM/23HA/28HA: CN15
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 MAIN board
are short circuited or open circuited.
7. Replace the PFP motor.
8. Replace the PFP board.
9. Replace the MAIN 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 MAIN board
are short circuited or open circuited.
3. Replace the PFP motor.
4. Replace the PFP board.
5. Replace the MAIN board.
3
PFP board
MAIN board
1. Check if the PLL lock signal CN411-8 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 MAIN board.
Parts to be replaced Remark
PFP motor
PFP board
MAIN board