Sharp AR-C260 (serv.man10) Service Manual ▷ View online
AR-C260/C260M DESCRIPTIONS OF EACH SECTION 7 - 37
c. Transport section
<1> Vertical transport unit
1) Remove the drum and the developing unit.
2) Remove the front cabinet.
3) Remove the front frame cover.
4) Remove the multi manual paper feed unit.
5) Remove the rear cabinet, the connection right cabinet, the rear
right cabinet, the front right cabinet, and the right lower cabinet.
6) Open the vertical transport guide. Remove the screw and remove
the vertical transport guide unit.
7) Remove the screw, and remove the vertical transport lower unit.
8) Remove the paper feed drive motor, and remove the connector on
the rear side. Remove the screw, and shift the vertical transport
unit to the left to remove.
unit to the left to remove.
∗
When assembling, engage the four bosses indicated with
in
the figure below.
<2> Transport roller 2
1) Remove the vertical transport unit.
2) Remove the screw, and remove the paper guide (A).
3) Remove the resin ring, and remove the pulley (B) from the belt.
4) Remove the resin E-ring, slide the bearing (C), and remove the
transport roller 2 unit (D).
5) Remove the E-ring and parts, and remove the transport rollers.
<3> Transport roller 1
1) Remove the vertical transport unit.
2) Remove the resin ring. Remove the pulley (A) from the belt.
3) Remove the resin E-ring, slide the bearing (B), and remove the
transport roller 1 (C).
A
B
C
D
A
B
C
AR-C260/C260M DESCRIPTIONS OF EACH SECTION 7 - 38
<4> PS unit
1) Remove the vertical transport unit.
2) Remove the screw and the spring. Release the lock. Remove the
belt and remove the PS unit.
∗
When assembling, attach from the left with avoiding the plate in
section A.
section A.
<5> Upper resist roller
1) Remove the vertical transport unit.
2) Remove the PS unit.
3) Remove the spring (A), and remove the upper resist roller (B).
<6> Lower resist roller
1) Remove the vertical transport unit.
2) Remove the PS unit.
3) Remove the upper resist roller.
4) Remove the parts and remove the lower resist roller.
<7> PS motor
1) Remove the rear cabinet, the connection right cabinet, and the rear
right cabinet.
2) Remove the connector and the screw, and remove the process
exhaust fan unit. Remove the connector and the screw, and
remove the PS motor.
remove the PS motor.
d. Paper exit section
<1> Slide drive motor
1) Open the left cabinet.
2) Remove the FD connection cabinet.
3) Remove the connector and the screw, and remove the motor unit.
4) Remove the connector and the screw, and remove the motor (A).
A
A
A
B
A
AR-C260/C260M DESCRIPTIONS OF EACH SECTION 7 - 39
<2> FD paper exit unit
1) Remove the rear cabinet, the rear cabinet upper, the left cabinet,
the rear left cabinet lid, the rear left cabinet, and the front cabinet
upper.
upper.
2) Remove the motor unit.
3) Slide section (A) to the front side. Remove the screw, and disen-
gage the pawl in section (B). Remove the FD paper exit unit (C)
from the rear side and remove the connector.
from the rear side and remove the connector.
∗
When assembling, attach from the front side.
∗
When assembling, be careful not to damage the actuator (D).
<3> FD paper exit roller B
1) Remove the cabinet.
2) Remove the paper exit unit.
3) Remove the E-ring, the bearing, and the gear. Remove the FD
paper exit roller.
<4> FD paper exit roller A
1) Remove the cabinet.
2) Remove the paper exit unit.
3) Remove the E-ring, (A), the screw, (B), (C), and the bearing.
Remove the unit (D).
4) Remove the E-ring and the bearing, and remove the FD paper exit
roller (A).
e. Gate solenoid unit
1) Open the left door, and remove the rear cabinet and the rear left
cabinet.
2) Remove the driver PWB unit.
3) Remove the connector and the screw, and remove the gate sole-
noid unit.
f. Lift-up unit
1) Remove the rear cabinet and the rear right cabinet.
2) Remove the power PWB unit.
3) Remove the connector and the screw, and remove the lift-up unit.
A
C
D
B
A
C
D
B
AR-C260/C260M DESCRIPTIONS OF EACH SECTION 7 - 40
6. Operation panel
A. Operational descriptions
(1) Outline
The operation panel unit is composed of the operation key PWB, the
inverter/LVDS PWB, the LCD unit, and the operation keys, and is used
to operate the machine and to set and display the machine status.
inverter/LVDS PWB, the LCD unit, and the operation keys, and is used
to operate the machine and to set and display the machine status.
The operation key PWB is connected to the ORS light receiving PWB
for detecting the document size. It receives light from the ORS light
emitting PWB attached to the rear frame, detecting the document size.
for detecting the document size. It receives light from the ORS light
emitting PWB attached to the rear frame, detecting the document size.
(2) Electrical section and mechanical section
(3) major parts functions and operations
RW: Abbreviation of Related Wiring, which means the said load is specified in the related figure of the mechanical and the electrical sections.
CN4 (20pin)
CN1 (30pin)
CN3 (2pin)
CN2 (5pin)
Inverter/LVDS PWB
1
2
5
6
3
4
7
8
9
12
13
10
11
14
15
16
19
20
17
18
Vss (GND2)
NC
NC
Vss (GND2)
NC
NC
LCD_D3
LCD_D2
LCD_D1
LCD-VEE
3.3V
LCD_D0
Vss (GND2)
LCD-DIS
Vss (GND2)
LCD-CP2
LCD_M
LCD_S
FLS
Vss (GND2)
LCD_CP1
1
2
5
6
3
4
7
8
9
12
13
10
11
14
15
16
19
20
17
18
LCDS+
LCDS-
LCDCP1+
LCDCP1-
LCDM+
LCDM-
GND2
LCDCP2+
LCDCP2-
LCD-VCC
LCD-VEE
GND2
LCDDIS
LCDD0+
LCDD0-
LCDD1+
LCDD2-
LCDD3+
LCDD1-
LCDD2+
22
23
21
24
25
26
29
30
27
28
GND2
TH
LCDD3-
GND2
+24V
/CCFT
/YL
XH
FMZ
YH
/XL
1
2
3
4
/YL
FM
XH
YH
/XL
2
1
BH
HV
/CCFT
CN2 (6pin)
CN1 (26pin)
Operation key PWB
1
2
5
6
3
4
PDSEL0
PDSEL1
PD
GND2
PDSEL2
+5V
PH
1
2
5
6
3
4
7
8
9
12
13
10
11
14
15
16
19
20
17
18
GND2
SCAN0
SCAN3
SCAN4
SCAN1
SCAN2
SENSE0
SENSE1
SENSE2
SEG0\
SEG1\
SENSE3
SENSE4
SEG2\
SEG3\
COM0
FRDY
/BZR
COM1
COM2
22
23
21
24
25
26
PDSEL1
PDSEL2
PDSEL0
+5V
PD
GND2
FAZ
CN6 (6pin)
CN5 (26pin)
2
1
GND2
3
OCSW
4
+24V
5
/LED0
6
/LED1
+5V
CN3 (30pin)
MFP PWB
Backlight
LCD unit
Touch panel
Operation panel unit
Document size detection
LCD
OCSW
ORS light
emitting PWB
emitting PWB
ORS light
receiving PWB
receiving PWB
No.
Name
Code, signal name
Function
RW
Operation key PWB
—
Detects a pressed key on the operation panel.
RW
Inverter/LVDS PWB
—
Drives the LCD and the backlight, and controls the touch panel.
RW
ORS light receiving PWB
—
Receives light from the ORS light emitting PWB to detect the document size.
RW
ORS light emitting PWB
—
Emits light for detecting the document size.
RW
OC switch
OCSW
Timing switch for detecting the document size
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