Toshiba e-STUDIO165 Service Manual page 222

[E32] Paper fed from the PFP upper drawer not reaching the PFU feed sensor
[E35] Paper fed from the PFP lower drawer not reaching the PFU feed sensor
Open the side cover. Is there paper in front of the PFU feed sensor?
YES
NO
Is the PFU feed sensor working?
(Perform the input check in the test mode: 13-[04. SENSOR TEST]
l NO
l
l
l
l
l
l
l
YES
Are the PFU transport clutches (High speed/Low speed) working?
(Perform the output check in the test mode: 04-203, 205)
l NO
l
l
l
l
l
l
l
l
YES
Is the PFP transport clutch working? (Perform the output check in the test mode: 04-225)
l NO
l
l
l
l
l
l
l
l
l
l
YES
1) Check the condition of the feed roller, separation roller and pickup roller of each paper
source, and replace them if they are worn out.
2) Check the transport roller. Replace it if it is worn out.
e-STUDIO165/167/205/207/237
TROUBLESHOOTING
Remove the paper.
1) Check if the connector of the PFU feed sensor is disconnected.
2) Check if the connector CN4 on the MAIN board is disconnected.
3) Check if the connector pins are disconnected and the harnesses are
open circuited.
4) Check if the conductor pattern on the MAIN board is short circuited or
open circuited.
5) Replace the PUF feed sensor.
6) Replace the MAIN board.
1) Check if the connectors of the PFU transport clutches (High speed/
Low speed) are disconnected.
2) Check if the connector CN4 on the MAIN board is disconnected.
3) Check if the connector pins are disconnected and the harnesses are
open circuited.
4) Check if the conductor pattern on the MAIN board is short circuited or
open circuited.
5) Replace the PFU transport clutches (High speed/Low speed).
6) Replace the MAIN board.
1) Check if the connector of the PFP transport clutch is disconnected.
2) Check if any of the connectors CN241, CN242 and CN244 on the
PFP board is disconnected.
3) Check if the connector CN13 on the MAIN board is disconnected.
4) Check if the connector pins are disconnected and the harnesses are
open circuited.
5) Check if the conductor patterns on the PFP board and MAIN board
are short circuited or open circuited.
6) Replace the PFP transport clutch.
7) Replace the PFP board.
8) Replace the MAIN board.
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