Ricoh SP 1200S Service Manual Page 365

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  • TROUBLESHOOTING
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Image Defect Troubleshooting (Defect of the Print)
SM 6-63 M085/M086
Trouble –
shooting
19 Horizontal lines
User Check
The paper tray ground terminal located in the machine body may be dirty. Clean the contact
with a dry cloth.
Possible cause and Remedy
1. Dirt on charge electrode
Are the electrodes on the drum unit and machine body dirty?
Yes: Clean both electrodes. (
p.6-21 "Electrodes location on the drum unit" and
p.6-21 "Electrodes location on the machine")
2. Paper tray ground terminal located in machine body
Is the paper tray ground terminal bent, which is located in the machine body?
Yes: Correct the bending of paper tray ground terminal.
3. Laser unit failure
Is the problem solved after replacing the laser unit?
Yes: Replace the laser unit.
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