Laser Optical Unit Related Service Call - Toshiba e-STUDIO2330C Service Handbook

6.2.18

Laser optical unit related service call

[CA10] Polygonal motor abnormality
Is the polygonal motor rotating?
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YES
Is the printed image distorted?
YES
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NO
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
<e-STUDIO2330C//2820C/2830C/3520C/3530C>
1. Check if the connector of the polygonal motor is disconnected.
2. Check if the relay connector J506 is disconnected.
3. Check if the connector CN343 on the LGC board is disconnected.
4. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
5. Replace the LGC board.
6. Replace the laser optical unit.
<e-STUDIO4520C>
1. Check if the connector on the POL board is disconnected.
2. Check if the connectors on the both edges of the HRNS-POL-DRV-382 are
disconnected.
3. Check if the relay connector J506 is disconnected.
4. Check if the connector CN343 on the LGC board is disconnected.
5. Check if the conductor pattern on the POL board is short circuited or open
circuited.
6. Replace the POL board.
7. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
8. Replace the LGC board.
9. Replace the laser optical unit.
<e-STUDIO2330C//2820C/2830C/3520C/3530C>
1. Check if the connector CN343 on the LGC board is almost disconnected.
2. Check if the relay connector J506 is almost disconnected.
3. Check if the harness is almost open circuited or the connector pin is almost
disconnected.
4. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
5. Check if the laser unit cooling fan is stopped.
6. Check if the suction area of the laser unit cooling fan is plugged up.
7. Replace the laser optical unit.
8. Replace the LGC board.
<e-STUDIO4520C>
1. Check if the connector CN343 on the LGC board is almost disconnected.
2. Check if the relay connector J506 is almost disconnected.
3. Check if the connectors on the both edges of the HRNS-POL-DRV-382 are
almost disconnected.
4. Check if the harness is almost open circuited or the connector pin is almost
disconnected.
5. Check if the conductor pattern on the POL board is short circuited or open
circuited.
6. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
7. Check if the laser unit cooling fan is stopped.
8. Check if the suction area of the laser unit cooling fan is plugged up.
9. Replace the laser optical unit.
10.Replace the LGC board.
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