Horizontal Black Band - Ricoh B173 Service Documentation

4.6.3 HORIZONTAL BLACK BAND

Description
Dark or blurry horizontal stripes occur in the printing periodically.
(They may not occur on each print.)
Check and Cause
Bad contacts of the voltage terminals to
developer.
The rollers of developer may be
stained.
Charge roller = 37.7 mm
Supply roller = 37 mm
Develop roller = 35.3 mm
Transfer roller = 45.3 mm
B173
PRINTING QUALITY PROBLEMS
Solution
Clean each voltage terminal of the
Charge, Supply, Develop and Transfer
roller. (remove the toner particles and
paper particles)
Clean the right Gear that has a
relatively small gap of the teeth in the
OPC.
If the malfunction persists, replace the
AIO.
4-22
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
B173T915.WMF
SM