Alignment and Troubleshooting
4-51
Service Manual
Irregular Density
OK after
taking out and
rocking the toner
cartridge?
It is over the guaranty
life of toner cartridge
(Check the counter
and replace it)
When gray
pattern printing,
irregular density
persists?
transfer/
charge/developing
voltage drops while
printing?
Defective agitator in
the toner supplying part
of the toner cartridge
->Replace the toner cartridge
Check if the 'guide deve
spring' works OK and
repair/repalce
Check high voltage
output and repair/
replace terminals, HVPS
Bad images
around the no image
area?
Irregularity of toner
supply from the toner cartridge
-> Replace the toner cartridge
Light distortion due to
the mirror ruined or
LSU's diffused reflection
-> Replace LSU
NO
NO
NO
NO
YES
YES
YES
YES
Summary of Contents for 2355 Mono Laser
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