Vertical White Line (Band) - Ricoh B174 Service Documentation

Vertical White Line (Band)

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
B174T921.WMF
White line missing
definitely?
Yes
Dirt or dust stuck on the
window of the internal lens of
the LSU
→ Clean it or replace the LSU
Obstacles between OPC or
developer and LSU
→ Remove the obstacles
SM
Check
if the printout
No
has the same problem just
after it passed
the transfer roller
Yes
Toner might be stuck to the
toner metering blade and this
prevents toner supply
→ Replace the toner
cartridge
Check if the toner cartridge
counter is over its guaranteed
life and check the amount of
remaining toner
→ Replace the toner
cartridge
4-13
TROUBLESHOOTING
Ribs in the fusing unit or
toner on the roller may
cause this problem
-> Replace the fusing unit
or the defective part
No
The image is originally
black or the black part is
too close to the top of the
page
→ Print an image that
has black more than 10
mm from the top
B174T904.WMF
B174