Ricoh FT5034 Service Manual page 130

Jitter
Scanner Drive
1
Motor
Scanner Drive
Pulley
Power Supply Unit
2
1. If the drum has scratches, increase the light intensity (exposure lamp
voltage). If the customer accepts the paler image, this may remove the
scratches on the copy. If this does not work, replace the drum.
2. If there is a horizontal black line, clean the drum, dust it with setting
powder and then perform drum conditioning (99 copies).
Action
1-1. Check the scanner drive motor
1-2. Check the scanner drive pulley
Check the scanner movement
Check the optics control board
Check the scanner drive motor
Check the power supply unit
Action
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Remarks
Remarks