AR-C260 (serv.man14). (11) Troubleshooting - Sharp Copying Equipment Service Manual (repair manual). Page 16

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AR-C260/C260M  TROUBLESHOOTING  11 - 16
Main 
code
Sub 
code
Title
Half-tone process control 1st batch 
trouble (Magenta)
F2
82
Display
Lamp/Message
Phenomenon
Detail
First step operation error 
during half-tone process 
control
Section
Common
Check
Use SIM 44-2 to adjust the 
process control sensor 
gain. 
Case 1
Cause
When "Error" occurs in the 
gain adjustment of SIM 44-
2:
1. Disconnection of the 
harness between the 
PCU PWB and the 
image density sensor.
2. Image density sensor 
dirt/trouble
Check & 
Remedy
1. Check connection of 
the harness between 
the PCU PWB and the 
image density sensor.
2. Clean/replace the 
image density sensor. 
Case 2
Cause
When SIM 44-2 gain 
adjustment is completed:
Insufficient cleaning of the 
transfer belt, calibration 
plate solenoid operation 
trouble
Check & 
Remedy
Check the drum surface 
and the belt surface. 
Main 
code
Sub 
code
Title
Half-tone process control 1st batch 
trouble (Yellow)
F2
83
Display
Lamp/Message
Phenomenon
Detail
First step operation error 
during half-tone process 
control
Section
Common
Check
Use SIM 44-2 to adjust the 
process control sensor 
gain. 
Case 1
Cause
When "Error" occurs in the 
gain adjustment of SIM 44-
2:
1. Disconnection of the 
harness between the 
PCU PWB and the 
image density sensor.
2. Image density sensor 
dirt/trouble
Check & 
Remedy
1. Check connection of 
the harness between 
the PCU PWB and the 
image density sensor.
2. Clean/replace the 
image density sensor. 
Case 2
Cause
When SIM 44-2 gain 
adjustment is completed:
Insufficient cleaning of the 
transfer belt, calibration 
plate solenoid operation 
trouble
Check & 
Remedy
Check the drum surface 
and the belt surface. 
Main 
code
Sub 
code
Title
Half-tone process control 2nd 
batch trouble (Black)
F2
84
Display
Lamp/Message
Phenomenon
Detail
Second step operation 
error during half-tone 
process control
Section
Common
Check
Use SIM 44-2 to adjust the 
process control sensor 
gain. 
Case 1
Cause
When "Error" occurs in the 
gain adjustment of SIM 44-
2:
1. Disconnection of the 
harness between the 
PCU PWB and the 
image density sensor.
2. Image density sensor 
dirt/trouble
Check & 
Remedy
1. Check connection of 
the harness between 
the PCU PWB and the 
image density sensor.
2. Clean/replace the 
image density sensor. 
Case 2
Cause
When SIM 44-2 gain 
adjustment is completed:
Insufficient cleaning of the 
transfer belt, calibration 
plate solenoid operation 
trouble
Check & 
Remedy
Check the drum surface 
and the belt surface. 
Main 
code
Sub 
code
Title
Half-tone process control 2nd 
batch trouble (Cyan)
F2
85
Display
Lamp/Message
Phenomenon
Detail
Second step operation 
error during half-tone 
process control
Section
Common
Check
Use SIM 44-2 to adjust the 
process control sensor 
gain. 
Case 1
Cause
When "Error" occurs in the 
gain adjustment of SIM 44-
2:
1. Disconnection of the 
harness between the 
PCU PWB and the 
image density sensor.
2. Image density sensor 
dirt/trouble
Check & 
Remedy
1. Check connection of 
the harness between 
the PCU PWB and the 
image density sensor.
2. Clean/replace the 
image density sensor. 
Case 2
Cause
When SIM 44-2 gain 
adjustment is completed:
Insufficient cleaning of the 
transfer belt, calibration 
plate solenoid operation 
trouble
Check & 
Remedy
Check the drum surface 
and the belt surface. 
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