Background - Ricoh B173 Service Documentation

4.6.8 BACKGROUND

Description
Light dark background appears in whole area of the printing.
Check and Cause
Recycled recording paper has been
used.
The life of the Developer has expired.
The up-to-down movement of the
transfer roller is swift?
The HVPS is normal?
(Perform Engine Test Mode diagnostic
code 4)
B173
PRINTING QUALITY PROBLEMS
Solution
Quality is not guaranteed when using
recycled paper.
Replace the AIO.
Clean the bushings on the transfer
roller.
Replace the HVPS (SMPS).
4-26
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
B173T921.WMF
SM