CHAPTER 4 TROUBLESHOOTING MALFUNCTIONS
3. | E2 |
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| Cause | Step | Checks | YES/NO | Remedies |
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Copyboard | 1 | Does the copying operation start | YES | Check the operation with | |
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| with the copyboard at the left or |
| the copyboard moved to |
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| right? |
| the center; advise the user |
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| that this is not the copier’s |
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| problem |
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| 2 | Does the copyboard move in | NO | See “The copyboard fails |
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| reverse? In addition, does it |
| to move.” |
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| move in reverse far too slowly? |
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DC controller/DC | 3 | Does the copyboard move in | YES | Replace the DC con- | |
power supply PCB |
| reverse after copying operation |
| troller/DC power supply | |
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| has started and move forward |
| PCB. |
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| after it has reached the copy- |
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Copyboard drive |
| NO | 1. Check the copyboard | ||
| board start position? | ||||
assembly, |
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| position sensor (Q902). | ||
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Copyboard glass |
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| 2. Try replacing the copy- | |
assembly |
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| board drive assembly. | |
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| 3. Check the start position |
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| cam and reversal cam |
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| in the copyboard glass |
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| assembly. |
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4. | E6 |
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| Cause | Step | Checks | YES/NO | Remedies |
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Control panel PCB | 1 | Replace the control panel PCB. | YES | End. | |
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| Is the problem corrected? |
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DC controller/DC |
| NO | Check the harness from | ||
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power supply PCB |
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| the control panel PCB to | |
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| the DC controller/DC |
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| power supply PCB; if |
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| normal, replace/DC power |
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| supply PCB. |
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