CHAPTER 3 IMAGE TROUBLESHOOTING
21. The copy is blank.
Cause | Step | Checks | YES/NO | Remedies |
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Cartridge | 1 | Is the cartridge set in the copier? | NO | Set the cartridge in the |
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| copier. |
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| 2 | Does the cartridge have toner? | NO | Replace the cartridge. |
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| 3 | Has the seal been removed from | NO | Remove the seal. |
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| the cartridge? |
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| 4 | Set the cartridge in the copier, | NO | Make adjustments so that |
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| and close the copier. |
| the shutter opens |
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| Does the drum cover shutter |
| smoothly. |
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| open without fail? |
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Drum drive assembly | 5 | Is the drum drive gear rotating | NO | Check the drum drive |
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| normally? |
| assembly. |
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6 | Are the primary charging | YES | Check the | |
transformer |
| terminal at the front left of the |
| transformer (DC controller/ |
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| cartridge and the |
| DC power supply PCB). |
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| terminal at the bottom of the |
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Terminals for primary |
| NO | 1. Check the contact for | |
| copier in firm contact? | |||
charging, |
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| electrical continuity. | |
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Cartridge |
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| 2. Try replacing the |
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| cartridge. |
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22. The copy is solid black.
Cause | Step | Checks | YES/NO | Remedies |
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| 1 | Is the scanning lamp ON during | YES | Check if the cartridge is |
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| copying operation? |
| set properly. |
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| NO | See “The scanning lamp |
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| fails to go ON.” |
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