4036-304
Scan module does not move to the home position
Cause | Relevant | Check | Action | |
Unit | ||||
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Home | None | Visual check | Connect the | |
position |
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| connector. | |
sensor board- |
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main control |
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PCBA |
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connection |
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failure |
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Home | Sensor in the | Tester check | Replace the | |
position | flatbed CCD |
| flatbed CCD | |
sensor board | assembly |
| optical unit. | |
failure |
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Power supply- | None | Visual check | Connect the | |
main control |
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| connector. | |
board |
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connection |
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failure |
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Power supply | Power supply | Tester check | Replace the | |
fails |
| (+5V, +24V, | power supply. | |
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| GND) |
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Lamp failure | Lamp | Visual check | Replace the | |
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| flatbed CCD | |
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| optical unit. | |
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Inverter | Inverter | Visual check | Replace the | |
failure |
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| flatbed CCD | |
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| optical unit. | |
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CCD board- | None | Visual check | Connect the | |
main scanner |
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| connector. | |
board |
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connection |
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failure |
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CCD board | CCD board | Tester check | Replace the | |
fails |
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| flatbed CCD | |
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| optical unit. | |
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Problem Solving
