Dirty Background - Ricoh FT7060 Field Service Manual

1) Dirty background on
entire copy image
Note: When the problem occurs after the drum conditioning is
performed, make several white copies or cycle the
development unit for 2 minutes using SP 1-1.
Make a reduction copy with A3/11" x 17" paper.
the dirty background appear in the erased areas?
Does
Y
Clean the
°
surfaces.
Clean the
°
Clean the
°
If the problem was not resolved, readjust the lamp
regulator outputs according to the FSM procedure.
Note: Make sure maximum voltage does not exceed 79 volts.
If the problem was not resolved, check and adjust the
charge corona current.
Clean the erase unit.
°
Clean the drum heater thermistor
°
Do wavy lines occur with the dirty
Y N
I
Does the toner supply clutch turn off?
Y N
Y
drum heater thermistor and bias thermistor
charge corona wire.
optics.
N
and bias thermistor surfaces.
background?
8-19
12 July '86