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FC-210/310 TROUBLESHOOTING 4 - 34 February 2002 © TOSHIBA TEC
4.1.17 Laser optical unit related service call
[CA1] Polygonal motor rotation abnormal
Is the polygonal motor rotating?
1. Check if the polygonal motor connector is disconnected.
2. Check if connector J181 or J188 on the IMC board is disconnected.
3. Check if any harness is open-circuited or any connector pin is disconnected.
4. Check if any conductor pattern on the IMC board is open- or short-circuited.
5. Replace the IMC board.
6. Replace the laser optical unit.
Are both 10th and 12th pins of the connector J188 on the IMC board always at the level "L"?
1. Check if any conductor pattern on the IMC board is open- or short-circuited .
2. Replace the IMC board.
3. Replace the laser optical unit.
1. Check if any conductor pattern on the IMC board is open- or short-circuited .
2. Replace the IMC board.
3. Replace the laser optical unit.
NO
YES
NO
YES