Dark Image - Ricoh B174 Service Documentation

TROUBLESHOOTING

Dark Image

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
B174T924.WMF
No
B174
Dark selected via
Remote Control
Panel?
Yes
Change to Normal and test
Yes
Same at Normal?
Yes
Works correctly
with -300V of bias
voltage?
Yes
Works correctly
after replaced
LSU?
Yes
The power of the LSU is
too high or there is an
internal problem
→ Replace the LSU
No
No
Replace the defective
component
Toner over-supply due to
No
incorrect adjustment of metering
blade
→ Replace the toner cartridge
4-14
END
B174T905.WMF
SM