Toshiba DP4500 Service Handbook page 146

[C15] PFP upper cassette tray is abnormal (paper can be fed from the cassettes other than PFP
upper cassette)
[C16] PFP lower cassette tray is abnormal (paper can be fed from the cassettes other than PFP
lower cassette)
Does the tray go up? (Perform the output check in the test mode: 03-278, 280)
NO
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
3. Check if the connector J312 on the LGC 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 LGC board are short- or
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])
NO
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
3. Check if the connector J312 on the LGC board is disconnected.
4. Check if the slit reaches the sensor.
5. Check if the connector pins are disconnected and the harnesses are open-circuited.
6. Check if the conductor patterns on the PFP board and LGC board are short- or
7. Replace the PFP board.
8. Replace the LGC board.
YES
1. Check if the conductor pattern on the LGC board is short- or open-circuited.
2. Replace the LGC board.
December 2000 © TOSHIBA TEC
disconnected.
open-circuited.
disconnected.
open-circuited.
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