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1) Pull out the transfer belt unit.
2) Remove the resist roller cleaner (S06/Ua06/P26).

1) Open the front cover.  S01/P04 

2) Remove the hopper unit.  S06/Ua01 

3) Remove the process frame cover.  S06/Ua02 

4) Pull out the fusing/transfer unit.  S06/Ua06 

5) Remove the fusing front cover.  S06/U06 

6) Disconnect the oil pump and the pipe, and hang the pipe on the

hook.

7) Remove the connector.

8) Remove the step screw and the connector, and remove the fusing

unit (S07/U01).

(Note) When a strong external pressure is applied to the fusing unit

which is installed to the machine, the oil pipe may come off
from the oil pump section. Be careful of it.

1) Remove the screw, and remove the fusing upper cover.

2) Remove the oil applying unit.

3) Remove the Thermistor (upper) (S07/Ua01/P01/CLN).

∗

Clean with alcohol.

4) Remove the Thermistor (lower) (S07/Ua01/P01/CLN)

∗

Clean with alcohol.

1) Open the paper exit transport guide.

S06/Ua06/P26/REP

S07/Ua01/P01/CLN

11 – 25

2) Remove the connector, and remove the duplex paper exit detector

(S07/Ua01/P02/CLN).

∗

Clean the detector.

1) Remove the fusing upper cover.
2) Remove the screw, the washer, and the connector.
3) Remove the screw and the connector, and remove the fusing front

paper guide unit.

Fusing front paper guide installing position:
Install so that the line mark of the fusing front paper guide comes
at the center of the mark on the fusing unit.

4) Remove the detection Thermistor (lower) (S07/Ua01/P03/CLN).

∗

Clean with alcohol.

5) Remove the Thermistor pair (lower) (S07/Ua01/P03/CLN).

∗

Clean with alcohol.

(Note) Fix the thermistor so that the thermistor harness is way from

the drive section (gear).

1) Remove the fusing upper cover.
2) Remove the screw and the connector, and remove the thermostat

(upper) (S07/Ua01/P04).

3) Remove the fusing front paper guide unit.
4) Remove the screw and the connector, and remove the thermostat

(lower) (S07/Ua01/P04).

1) Open the paper exit/transport mechanism.
2) Remove the screw, and remove the upper cleaning roller unit.

S07/Ua01/P03/CLN

S07/Ua01/P04

11 –  26

3) Remove the parts, and remove the upper cleaning roller

(S07/Ua01/P05/REP).

(AR-C100/C150)

(AR-C250/C160/C270)

∗

Apply grease to the gear.

(AR-C100/C150/C250)

(AR-C160/C270)

1) Remove the screw and the connector, and remove the fusing

drive motor (S07/Ua01/P07).

(AR-C100/C150/C250)

(AR-C160/C270)

1) Remove the upper heat roller unit.  S07/Ua01/P13 

∗

Apply grease to the inside of the collar.

∗

For the AR-C160/C270 replace the whole unit of the upper heat
roller unit.

1) Remove the fusing front cover.
2) Remove the screw, the pipe holder, and the oil applying felt unit.
3) Remove the screw, and remove the oil applying felt

(S07/Ua01/P09/REP).

∗

When assembling, tighten the screws in the sequence of
numbering.

S07/Ua01/P05/REP

S07/Ua01/P05/REP

S07/Ua01/P06/GRE/CHK

S07/Ua01/P06/GRE/CHK

S07/Ua1/P07

S07/Ua1/P07

S07/Ua01/P08/CHK/REP

GRE

(This is not installed to the AR-C160/C270.)

11 –  27

1) Remove the screw, and remove the oil applying blade

(S07/Ua01/P10/REP).

∗

When assembling, tighten the screws in the sequence of
numbering.

1) Remove the screw, and remove the oil applying unit.

2) Remove the oil applying roller.

1) Remove the upper heat roller unit.  S07/Ua01/P13 

∗

Apply grease to the inside of the collar.

∗

For the AR-C160/C270, replace the whole unit of the upper heat
roller unit.

1) Remove the heater lamps.  S07/Ua01/P14   S07/Ua01/P18 

2) Remove the step screw and the connector, and release the pres-

sure. Remove the fixing screws of the upper/lower fusing units,
then  remove the upper/lower fusing units upward/downward.

3) Remove the upper heat roller unit.

(AR-C250)

(AR-C150)

4) Remove the parts, and remove the upper heat roller (S07/Ua01/

P16/REP).

∗

For the AR-C160/C270, replace the whole unit of the lower heat
roller unit.

S07/Ua01/P12/REP

GRE

(This is not installed to the AR-C160/C270.)

S07/Ua01/P13/GRE

(This is not installed to the AR-C160/C270.)

11 –  28