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December 2002 TOSHIBA TEC 4 - 33 e-STUDIO160/200/250 TROUBLESHOOTING
4.1.9 Temporary paper supply mechanism service call
C13 Abnormal operation of the paper tray in the main body
Does the tray move up? (using the test mode 10, Output Test, CODE 242)
1. Check if each connector between the tray-up assembly and the relay PWA
(CN37) is disconnected.
2. Check if each connector pin is removed or the harness is broken.
3. Check if any conductor pattern on the relay and main PWA is open- or short-
circuited.
4. Replace the tray-up motor of the tray-up assembly.
5. Replace the relay PWA.
6. Replace the main PWA.
Is the pickup sensor working? (using the test mode 04, Sensor Test, DATA No. 7 Bit 0)
1. Check if each connector between the pickup sensor and the relay PWA (CN37)
is disconnected.
2. Check if the slit reaches the pickup sensor.
3. Check if the connector pin is removed or the harness is broken.
4. Check if any conductor pattern on the relay and main PWA is open- or short-
circuited.
5. Replace the pickup sensor.
6. Replace the relay PWA.
7. Replace the main PWA.
1. Check if any conductor pattern on the main PWA is open- or short-circuited.
2. Replace the main PWA.
NO
YES
NO
YES