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AR-C260/C260M  DESCRIPTIONS OF EACH SECTION  7 - 9

The transfer belt drive power is transmitted from the drive motor (BTM)
to the transfer drive roller. 

The motor (stepping motor) is driven by the drive signal sent from the
PCU.

According to the high voltage control signal from the PCU, the signal is
converted into a transfer high voltage control signal with the HV (MC)
PWB, and sent to the HV (TC) PWB. 

According to each color transfer high voltage control signal, a high volt-
age is applied to each transfer roller from the transfer high voltage HV
(TC) PWB through the connection spring to each transfer roller.

The process control shutter is provided on the process control sensor
of monochrome (PCSK) and color (PCSC). When the shutter is open
(in image density correction and automatic registration), the toner
patch formed on the transfer belt is read by the process control sensor,
and its information is sent to the PCU. 

When the shutter is closed, the calibration sheet is read to perform cal-
ibration of the sensor itself. 

The shutter operation is controlled by the calibration solenoid (CALS).

Toner scraped by the belt cleaning blade is transported to the waste
toner box by the belt waste toner transport shaft. 

When the waste toner box is full, the rotation load of the waste toner
transport shaft increases to turn on the waste toner full detection
switch with the lever by the torque limiter function.

In color print, the transfer belt is in contact with four OPC drums. In
black and white print, the transfer belt unit moves down so that only the
black OPC drum is in contact with the transfer belt. 

This up-and-down movement of the transfer belt is performed by the
lift-up motor (BLUM), the lift-up cam, and the unit position sensor
(BLUD). 

When the left cabinet is opened for jam process, the rotating mecha-
nism of the lift-up unit separates all four OPC drums from the transfer
belt.

• Transfer belt position for color print

The four OPC drums are in contact with the transfer belt by rotation
of the cam in the transfer lift-up unit.

• Transfer belt position for black print

Only the black OPC drum is in contact with the transfer belt by rota-
tion of the cam in the transfer lift-up unit.

• Transfer belt position in jam process or replacement of the transfer

belt
When the left cabinet is opened, the transfer lift-up unit moves down,
and the transfer unit moves by 9mm accordingly.

Drive to paadle by blum
Waste toner full detection 

→

 

1000 copies 

→

 without 24g reset

Y

M

C

K

Y

M

C

K

9mm

Y

M

C

K

AR-C260/C260M  DESCRIPTIONS OF EACH SECTION  7 - 10

✕

: Check (Clean, replace, or adjust as necessary.)

 

❍

: Clean

 

▲

: Replace

 

∆

: Adjust

 

✩

: Lubricate

 

❏

: Shift position

Unit name

No.

Part name

When 

calling

50K

100K

150K

200K

250K

300K

350K

400K

Remark

Transfer 
section

1

Transfer belt

✕

▲

✕

▲

✕

▲

✕

▲

Replace at 100K or 
within 2 years.

2

Transfer roller

✕

▲

✕

▲

✕

▲

✕

▲

3

Transfer belt cleaning 
blade

✕

▲

✕

▲

✕

▲

✕

▲

Replace at 100K or 
within 2 years.

4

Transfer discharge sheet

✕

❍

✕

❍

✕

❍

✕

❍

5

Transfer belt cleaning 
roller

✕

▲

✕

▲

✕

▲

✕

▲

6

Transfer drive roller

✕

✕

✕

✕

✕

✕

✕

✕

7

Transfer follower roller

✕

✕

✕

✕

✕

✕

✕

✕

8

Transfer discharge brush

✕

✕

✕

✕

✕

✕

✕

✕

9

Sensors

✕

✕

✕

✕

✕

✕

✕

✕

10

Waste toner tank unit

▲

✕

▲

✕

▲

✕

▲

✕

▲

When waste toner full is 
detected.

11

Transfer belt unit

✕

▲

✕

▲

✕

▲

✕

▲

Replace the unit at 
100K or within 2 years.

5

7

8

4

3

3

9

9

1

10

2

4

4

2

2

5

7

8

4

3

3

9

9

1

10

2

4

4

2

2

10

5

5

6

6

7

7

8

8

2

4

8

3

3

9

9

1

1

10

2

4

4

8

2

2

2

4

2

4

2

4

4

TX belt clean blade seals.

AR-C260/C260M  DESCRIPTIONS OF EACH SECTION  7 - 11

1) Open the left cabinet, and remove the fusing unit. (Refer to the

section of the fusing unit.) 

2) Hold section A of the transfer unit and pull it in the arrow direction

so that you can hold both sides of the unit. 

3) Hold both sides B and remove the transfer unit from the machine.

Note: Be careful not to scratch the surface of the transfer belt.

1) Remove the transfer unit from the machine.

2) Remove the screw, and remove the belt cover gear.

3) Remove the connector, the screw, and the motor.

1) Remove the transfer unit from the machine. 

2) Remove the connector and the screw, and remove the belt drive

unit.

3) Remove the spring from the hook section.

4) Remove the hook, and remove the process control shutter.

Cleaning: Clean the calibration sheet. (Wipe with soft, dry cloth.)

A

B

A

A

B

B

AR-C260/C260M  DESCRIPTIONS OF EACH SECTION  7 - 12

5) Remove the connector, and remove the process control sensor.

Cleaning: Clean the sensor surface.

1) Remove the transfer unit from the machine.

2) Remove the connector and the screw, and remove the belt drive

unit.

3) Remove the spring from the hook section.

4) Remove the process control shutter.

5) Remove the connector (A).

6) Remove the connector (B) and the screw, and remove the PWB.

1) Remove the transfer unit from the machine.

2) Remove the connectors and the screws, and remove the belt drive

unit.

3) Remove the waste toner tank unit.

Note for assembly:

Insert the notches A and B of the waste toner tank unit into the posi-
tions in the transfer frame indicated in the figure below.

1) Remove the transfer unit from the machine. 

2) Remove the connector and the screw, and remove the belt drive

unit.

3) Remove the lower screw.

Note: If the upper screw is removed and folded, the electrode is

deformed. Therefore, be sure to remove the lower screw.

A

B

B

A

Front

Rear