Canon IMAGERUNNER 7095 PRINTER, Руководство по обслуживанию

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Chapter 5
5-9
F-5-17
ERROR CODE:
E202 (HP detection error)
-0001: when the No. 1 mirror base is moving forward, it fails to reach the HP sensor within a specific
period of time
-0002: when the No. 1 mirror base is moving in reverse, it fails to reach the HP sensor within a specific
period of time
SERVICE MODE:
COPIER>ADJUST>ADJ-XY>ADJ-X (scanner image leading edge position adjustment)
Enter a value to adjust the image leading edge position.
settings range: 0 to 2970 (a change of '12' causes a shift of 1 mm)
COPIER>AJST>ADJ-XY>ADJ-S (scanner home position)
Do not change the setting.
5.3.1.3 Controlling the Scanner Motor <iR7086>
0010-7888
The configuration of the system used to control the scanner motor is as follows; the motor driver on the
interface PCB operates according to the signals from the CPU to start/stop the scanner motor and to control
the direction and speed of its rotation
F-5-18
a. Reverse Movement After a Scan
After an image scan, the No. 1 mirror base is moved in reverse as far as the shading position at 325 mm/
sec regardless of the selected magnification.
b. Forward Movement During a Scan
During an image scan, the No. 1 mirror base is controlled at the speed indicated in the following figure;
the No. 1 mirror base is moved forward at 325 mm/sec for 100% magnification.
Start position
Acceleration
Image leading edge
Constant speed
Image end
Deceleration
Stop
Shift speed
Shift distance
[1] [2] [3] [4]
[1] acceleration interval: accelerates to scanning speed.
[2] run-up interval: servers as a margin to ensure stable speed
[3] image read interval: reads the image at a specific speed
[4] deceleration interval: decelerates at the end of the image and stops.
HP
Reader controller PCB
Motor
driver
Interface PCB
+24V/15V
J306
A
A*
B
B*
CPU
1
2
3
4
6
5
J308
J307 J202
J203
Scanner
motor
M501
[1]
[1] Scanner motor control signal