Image Transfer Current Timing - Ricoh M156 Service Training

 There are two transfer current levels: low and high.
 Low level: Before image transfer starts, the PSU supplies
 High level: During image transfer, the PSU supplies high
 When the trailing edge of the paper has passed the transfer
roller, the PSU stops supplying transfer current.
 If the machine is printing more pages, the PSU supplies low
 You can adjust these levels, but when increasing the
transfer current level, use caution:
 Increasing the transfer current level may produce ghost
 Increasing the transfer current level might damage the
Slide 59
No additional notes

Image Transfer Current Timing

+10uA to the transfer roller to prevent positively charged
toner from sticking to the drum.
current to the transfer roller to attract toner to the paper.
level current.
images.
drum.
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Rm-MF1/Rm-P1 Training