Toshiba e-STUDIO165, Service Manual

Page: 223 / 313

© 2006 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO165/167/205/207/237
TROUBLESHOOTING
5 - 5
5
[E36] Paper fed from the PFP lower drawer not reaching the PFP upper drawer feed sensor
Open the PFP side cover. Is there any paper in front of the PFP upper drawer feed sensor?
YES Remove the paper.
NO
Is the PFP upper drawer feed sensor working?
(Perform the input check in the test mode: 13-[04. SENSOR TEST])
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NO 1) Check if the connector of the PFP upper drawer feed sensor is dis-
connected.
2) Check if either of the connectors CN241 or CN243 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 upper drawer feed sensor.
7) Replace the PFP board.
8) Replace the MAIN board.
YES
Is the PFP transport clutch working? (Perform the output check in the test mode: 04-225)
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NO 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.
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 PFP transport roller. Replace it if it is worn out.