Basic Sequence Of Operations; At Power-On - Canon CLC 1120 Service Manual

CHAPTER 2 BASIC OPERATION
II. BASIC SEQUENCE OF OPERATIONS
A. At Power-On
Figure 2-201 shows the basic sequence of operations executed at power-on.
Photosensitive drum revolution
Transfer drum revolution
Side A sensor (PS2)
Side B sensor (PS3)
Laser
Fixing main heater (H1)
Fixing sub heater (H2)
Fixing sub heater (M4)
Drum motor (M2)
Fixing motor (M5)
Pre-exposure lamp (LA1)
Post-cleaning high-voltage output
Primary/grid high-voltage output
Attraction high-voltage output
Transfer high-voltage output
Separation high-voltage output
Internal/external static eliminator high-voltage output
Transfer drum cleaner brush motor (M8)
a. The copier uses signals from the side A sensor and the side B sensor to find out the position
of the transfer drum. (If the copier uses other signals as a reference of control, respective
timing charts will be provided.)
b. The external diameter of the transfer drum is the same as that of the photosensitive drum, and
the photosensitive drum and the transfer drum come into contact with each other when
needed (during copying). The photosensitive drum makes a single rotation for each rotation
of the transfer drum.
c. The fixing temperature is indicated in terms of the surface temperature of the fixing roller
(the reading of DISPLAY>ANALOG in service mode, i.e., temperature detected by the
thermistor).
2-4
COPYRIGHT © 1999 CANON INC.
o
Power switch ON
130 C
WMUP
1
1
Figure 2-201
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
AINTR
2 3 4 5 6
2 3 4
75mm/sec
o
158 C
STBY
7
Controlled to 163 C
Controlled to 163 C