Checking The Environment Sensor; Pickup/Feeding System; Orientation Of The Deck/Cassette Pickup Roller; Orientation Of The Deck/Cassette Separation Roller - Canon iR7086 Series Service Manual

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9) Fit the door switch actuator into the door switch assembly.
10) Turn on the power switch.
Once you have turned on the power switch, do not touch the potential sensor
assembly.
11) Make the following selections in service mode, and check to make sure
that the reading is between 0 and 30 during initial rotation: COPIER>
DISPLAY> DPOT> DPOT-K.
MEMO:
1. If the reading is as indicated in Method 1 but is not in Method 2, suspect
dirt on the sensor or a fault in the potential measurement unit.
2. If the reading is as indicated in both Method 1 and Method 2, assume
that the signal path and the operation from the potential sensor unit to the
microprocessor on the DC controller PCB are normal.
12) Turn off the power switch.
13) Remove the potential sensor checker electrode.
14) Mount the potential sensor support plate.
15) Turn on the power switch.

14.7.9 Checking the Environment Sensor

iR7105 / iR7095 / iR7086
1) Checking the Environment Sensor
Make the following selections in service mode, and check and record the
temperature/ humidity indicated on the screen in the control panel:
COPIER > DISPLAY > ANALOG.
Data A
'TEMP' deg C ........... data A1
'HUM' % ........... data A2
2) Press the Rest key twice to turn off the power switch.
3) Remove the environment sensor, and fit the environment sensor jig
(FY9-3014) in its place.
4) Turn on the power switch, and leave the machine alone for 5 min.
5) Make the following selections in service mode, and check and record
the temperature/ humidity indicated on the screen in the control panel:
COPIER > DISPLAY > ANALOG:
Data B
'TEMP' deg C ........... data B1
'HUM' % ........... data B2
6) Compare data A and data B.
- difference between data A 1 and data B1 is 0 -/+ 5
- difference between data A2 and data B2 is 0 -/+ 20
If the difference between data A and data B is outside the range, replace the
environment sensor.
7) Press the Reset key twice, and turn off the power switch.
8) Detach the environment sensor jig, and fit the environment sensor.
9) Put back all covers.
The environment sensor jig (FY9-3014) is precisely adjusted at the factory.
Be sure to keep it in an air-tight case with a drying agent.

14.8 Pickup/Feeding System

14.8.1 Orientation of the Deck/Cassette Pickup Roller

iR7105 / iR7095 / iR7086
Mount the pickup roller using the steps used to remove it but in reverse while
keeping the following in mind:
- The pickup roller used in the front of the machine and the one used in the
rear are not compatible with each other.
- The pickup roller [1] used at the front of the machine is identified by 8
markings [2] on its collar.
[2]
[1]
F-14-46
Pickup Roller at the Front
Mount the pickup roller [1] so that the marking [2] on the side and the cut-
off [3] in the collar are toward the front of the machine.
Pickup Roller at the Rear
Mount the pickup roller [1] so that the round marking [2] on its side is toward
the front of the machine while the cut-off [2] in the collar is toward the rear.
0010-9333
[2]

14.8.2 Orientation of the Deck/Cassette Separation Roller

iR7105 / iR7095 / iR7086
When replacing the separation roller, be sure that it is oriented as shown
Wider notch
(front of machine)
14.8.3 Orientation of the Feeding Roller of the Deck/
Cassette Pickup Assembly
iR7105 / iR7095 / iR7086
When mounting the feeding roller assembly to the deck/cassette pickup as-
sembly, be sure that the belt pulley [2] is to the front of the machine. When
0010-9337
mounting the feeding roller [3] to the feeding roller shaft [4], be sure that the
round marking [5] is toward the front of the machine.
[1]
[2]
F-14-47
[2]
[3]
[1]
F-14-48
[3]
[1]
F-14-49
Narrower notch
F-14-50
Chapter 14
0010-9338
0010-9339
14-21

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