Specifications

ON
PC Drum Charge Wire Cleaning Motor / Image
Transfer/Paper Separator Charge Wire Cleaning Motor
M21/M22
The surface temperature of the Upper Fusing Roller reaches 170°C.
Fusing Motor M6 starts predrive.
ON
4
SEQUENTIAL EXPLANATION
DC Power Supply 1 PU2 outputs DC24V for dehumidifiers.
ON
ON
H4, H5, H7, H6
OFF
*
Only when Drum
Dehumidifying Switch
S9 and Paper
Dehumidifying Switch
S10 are ON.
Drum Dry Heater H4, Lower Paper
Dehumidifying Heater H5, and Upper
Paper Dehumidifying Heater H7
Developing Unit Dehumidifying Heater
H6
ON
B Power Switch S1 is turned ON.
A The power cord is plugged into the outlet.
PU2 outputs DC24V and DC5V.
ON
DC Power Supply Board PWB-C outputs
DC24V. (DC24V line: ON)
ON
Master Board PWB-A outputs DC4.7V and DC12V.
ON
Control panel display
ON
Approx. 1 sec.
ON
Upper Fusing Roller Main/Sub Heater Lamp H1/H2
Suction Fan Motor M18 turns at half speed.
ON
The Lens is detected at the home position.
The Mirror is detected at the
home position.
The Scanner makes its initial motion.
The Lens is detected at the
full size position.
The Mirror is detected at
the full size position.
For details, see
OPTICAL SECTION.
Approx.
24 sec.
OFF
M21, M22: Cleaner makes one round trip to
clean the wire and stops.
One-Shot Correction mode (For details, see
p. M-24.)
M-7