Ricoh B246 SERIES, Manual, Page: 173 / 268

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173
Replacement
„
Do the procedures in section 3.6 of the service
manual.
„
Obey all notes and cautions in the manual.
„
ID Sensor
z
After installing a new sensor, do SP 2962 (process
control initialization) then initialize the sensor (SP
3001 002).
z
After cleaning the sensor, initialize it only (SP 3001
002).
REPLACEMENT
Service manual, section 3.6
ˆ
Have the trainees do the procedures in section 3-6.
ˆ
Remind them to follow all notes and cautions in the manual.
Service manual, sections 3.1.1, 3.1.2, and 3.1.6
ˆ
First, make sure that the class is aware of the service notes for the drum, drum
unit, and charge corona unit.
Development Unit
ˆ
If temporarily installing a used development unit for test purposes, do SP 2-220
after installation.
¾
This inputs the value of V
REF
for that development unit for use during the
test.
ˆ
Development unit reinstallation: Note the correct way to re-install the
development unit. This was explained also in the Installation section.
Drum Unit
ˆ
Don’t forget the service remarks for the drum.
ˆ
After installing a new drum, do the following SP modes.
¾
2001 001, 002, 004, 005: Charge corona voltages – must be at the default
settings
¾
2962: Process control initialization (only works if process control is enabled,
and the fusing unit temperature must be less than 100 C).
Charge Corona Wires
ˆ
After installing a new wire, make sure that al the SP 2001 settings are at the
defaults.
Drum Potential Sensor
ˆ
After installing a new sensor, do SP 2962 (process control initialization). See the
notes for the drum unit above - the fusing unit must be cooled down.
Cleaning Blade