Ricoh AC104, Service Documentation

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PRINTING QUALITY PROBLEMS
SM 4-21 B173
Trouble-
shooting
4.6.2 VERTICAL WHITE LINE
Description
White vertical voids in the image.
Check and Cause Solution
Foreign matter stuck onto the window
of internal lenses of LSU mirror. Clean the LSU window with
recommended cleaner(IPA) and a
clean cotton swab.
Foreign matter or toner particles
between the developer roller and blade.
(In case the life of the developer has
been expired, white lines or light image
occur in front of the image.) Open the cover of LSU and clean with
a cotton swab on the surface of the
reflex mirror with a clean cotton swab.
It may occur when a Burr and foreign
substances are on the window of the
developer frame. Remove the foreign matter and burr of
the exposure window. (Developer
cartridge)
Open the front cover and check if the
ribs correspond to the position of the
voids. Remove if found.
If the fuser is defective, voids occur
periodically at the top of a black image.
If the problems are not solved, replace
the AIO.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
B173T914.WMF