Toshiba e-Studio 350, Руководство по обслуживанию

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TROUBLESHOOTING
5 - 59
5
[C150] PFP upper drawer tray is abnormal (paper can be fed from the drawers other than PFP
upper drawer)
[C160] PFP lower drawer tray is abnormal (paper can be fed from the drawers other than PFP
lower drawer)
Does the tray go up? (Perform the output check in the test mode: 03-278, 280)
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NO Æ 1) Check if the connector of the tray-up motor is disconnected.
2) Check if any of the connectors CN241, CN242 and CN244 on the PFP
board is disconnected.
3) Check if the connector CN303 on the LGC board is disconnected.
4) Check if the connector pins are disconnected or the harnesses are open
circuited.
5) Check if the conductor patterns on the PFP board and LGC board are short
circuited or open circuited.
6) Replace the PFP board.
7) Replace the LGC board.
YES
Is the tray-up sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[2]/[H], /[4]/[H])
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NO Æ 1) Check if the connector of the sensor is disconnected.
2) Check if any of the connectors CN241, CN247 and CN248 on the PFP
board is disconnected.
3) Check if the connector CN303 on the LGC board is disconnected.
4) Check if the slit reaches the sensor.
5) Check if the connector pins are disconnected or the harnesses are open
circuited.
6) Check if the conductor patterns on the PFP board and LGC board are short
circuited or open circuited.
7) Replace the PFP board.
8) Replace the LGC board.
YES
1) Check if the conductor pattern on the LGC board is short circuited or open circuited.
2) Replace the LGC board.
05/05