■Image distortion
Step | Cause | Check | Result | Remedy |
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| Laser unit not | Is the laser unit |
| Assemble the laser unit |
| assembled | assembled into the |
| correctly and secure the |
1 | correctly | machine securely? | Yes | screw. |
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| (Check if there is no |
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| gap.) |
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| Incorrect | Is the problem solved |
| Replace the laser unit. |
| radiation angle of | after replacing the laser |
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2 | scanner diode of | unit? | Yes |
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laser unit. |
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| Scanner motor |
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| rotation failure |
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| Main PCB failure | Is the problem solved |
| Replace the main PCB |
3 |
| after replacing the main | Yes | ASSY. |
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| PCB ASSY? |
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Confidential |