DOWNLOAD Sharp AR-C270 (serv.man15) Service Manual ↓ Size: 3.4 MB | Pages: 36 in PDF or view online for FREE

1) Remove the lamp holders and the connector.
2) Remove the upper heater lamp.

1) Open the paper exit/transport guide.

2) Remove the screw and the spring, and remove the duplex gate

solenoid.

1) Remove the connector, and remove the heater lamp control PWB

(AC sub PWB) (S07/Ua01/P16).

1) Open the upper and the lower fusing units.
2) Open the lower separation pawl unit (paper guide).
(AR-C150)

(AR-C250/C160/C270)

3) Remove the spring, and remove the lower separation pawl

(S07/Ua01/P17/CHK/REP).

(AR-C150)

S07/Ua01/P15

S01/Ua01/P15

Installing position: Center

11 –  29

(AR-C250/C160/C270)

∗

When installing the lower separation pawl unit (paper guide) in the
AR-C250, observe the following instruction.
Insert thick paper of OHP sheet (A4 or 11" 

×

 8.5" or greater)

between the lower heat roller and the paper exit roller, and install
so that the lower separation pawl is along the paper.

1) Remove the lamp holders and the connectors.
2) Pull out the lower heat lamp.

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

2) Open the upper and the lower fusing units.
3) Remove the lower separation pawl unit (paper guide), and remove

the lower heat roller unit.

(AR-C100/C150)

(AR-C250/C160/C270)

4) Remove the parts, and remove the lower heat roller.

∗

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

S07/Ua01/P17/CHK/REP

S07/Ua01/P18

11 –  30

1) Remove the connector, and remove the paper entry detector

(S07/Ua01/P20).

∗

Clean the detector.

Clean and remove oil attached on the external surfaces.

Clean the oil filter attached to the oil pump suction port with waste
cloth.
If the oil filter is clogged, oil is not sufficiently supplied to the heat
roller, causing a trouble. 

•

When installing (replacing) this pump, set the pump operation
value of Sim 43-7 referring to the marking color shown in the illus-
tration below.

1) Remove the screw and the connector, and remove the paper exit

unit (S07/Ua02).

1) Remove the paper exit unit.  S07/Ua02 

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

(S07/Ua02/P01/CLN).

∗

Clean it.

1) Remove the paper exit unit.  S07/Ua02 

2) Remove the screw, and remove the paper exit roller unit.

S07/Ua01/P20/CLN

S06/Ua06/P24

Marking

S07/Ua02/P01/CLN

11 –  31

3) Remove the parts, and remove the paper exit roller

(S07/Ua02/P02/CLN).

∗

Clean with alcohol.

∗

Apply grease to the gear (S07/Ua02/P03/GRE) and the inside
of the paper exit idle roller (S07/Ua02/P04/CLN/GRE).

1)

Remove the original cover.  S01/P01 

2)

Remove the rear cover upper.  S01/P02 

3)

Remove the glass holder right.  S01/P05 

4)

Remove the glass holder left.  S01/P06 

5)

Remove the table glass.  S01/P07 

6)

Remove the shading glass AS.  S01/P08 

7)

Remove the operation unit.  S02/Ua01 

8)

Remove the screw, and remove the dark box cover.

9)

Remove the screw, and remove the flat cable holder.

10) Remove the flat cable from the CCD.
11) Remove the screw, and remove the scanner fixing angle.
12) Remove the screw, and remove the stopper.
13) Open the scanner (reading) unit. Support it with the stopper.

14) Remove the screw, and remove the ICU cover.

15) Remove the ICU main PWB, the ICU image PWB, and the ICU

scan PWB.

S07/Ua02/P02/CLN

S07/Ua02/P04/CLN/GRE

S07/Ua02/P03/GRE

S04/Ua01

11 –  32