Sharp AR-C330 (serv.man5) Service Manual ▷ View online
AR-C330 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 14
(6) Fusing, paper exit section
a. Fusing unit
No.
Parts
Note
Code
Signal
name
Name
Type
Function/Operation
Active
condition
1
Fusing unit
Heats and presses toner on the
paper to fuse it onto the paper.
paper to fuse it onto the paper.
2
THS3
THS3
Fusing main
temperature
sensor (upper)
temperature
sensor (upper)
Thermistor
Detects the heat roller surface
temperature.
temperature.
Analog input
3
DPID
DPID
Duplex paper
entry detector
entry detector
Photo sensor (Photo
transmission)
transmission)
Detects paper entry to the
duplex unit.
duplex unit.
L when
paper entry
paper entry
4
THS1
THS1
Fusing sub
temperature
sensor (upper)
temperature
sensor (upper)
Thermistor
Detects the heat roller surface
temperature.
temperature.
Analog input When a temperature
difference from the
fusing main temperature
sensor (upper) is
detected, it is judged
that paper is wrapped
around the fusing roller.
fusing main temperature
sensor (upper) is
detected, it is judged
that paper is wrapped
around the fusing roller.
5
HLTSU
HLTSU
Thermostat
(upper)
(upper)
Cuts conduction of the heater
lamp when the temperature
rises abnormally.
lamp when the temperature
rises abnormally.
6
Cleaning roller
(upper)
(upper)
Cleans the fusing roller (upper)
surface.
surface.
7
FUSM
FUSM
Fusing drive
motor
motor
Drives the fusing unit.
8
Oil felt
Supplies oil to the oil roller.
9
Oil blade
Controls the oil quantity on the
oil roller to be even.
oil roller to be even.
10
Oil roller
Applies oil to the upper heat
roller.
roller.
11
Upper heat roller
Heats and presses toner on the
paper to fuse it onto the paper.
paper to fuse it onto the paper.
12
HL1
HL1
Upper heater
lamp
lamp
Halogen lamp
Heats the heat roller.
1000W
13
DGS
DGS
Duplex gate
solenoid
solenoid
Drives (open/close) the duplex
paper entry gate.
paper entry gate.
14
Fusing control
PWB (AC sub
PWB)
PWB (AC sub
PWB)
Interfaces the heater lamp drive
control, sensor, and detector
signals.
control, sensor, and detector
signals.
15
Lower
separation pawl
separation pawl
Separate paper mechanically
which was not separated from
the lower heat roller.
which was not separated from
the lower heat roller.
16
HL2
HL2
Lower heater
lamp
lamp
Halogen lamp
Heats the heat roller.
700W
2
3
4
5
6
7
8
9
10
11
12
13
14
17
20
19
15
16
18
15
24
22
21
23
26
25
26
26
26
1
AR-C330 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 15
b. Paper exit unit
17
Lower heat roller
Heats toner on the paper to
fuse it onto the paper.
fuse it onto the paper.
18
BPD
BPD
Fusing paper
entry detector
entry detector
Photo sensor (Photo
transmission)
transmission)
Detects paper entry in the
fusing section.
fusing section.
L when
paper entry
in the fusing
section
paper entry
in the fusing
section
19
THS2
THS2
Fusing main
temperature
sensor (lower)
temperature
sensor (lower)
Thermistor
Detects the heat roller surface
temperature.
temperature.
Analog input
20
THS4
THS4
Fusing sub
temperature
sensor (lower)
temperature
sensor (lower)
Thermistor
Detects the heat roller surface
temperature.
temperature.
Analog input When a temperature
difference from the
fusing main temperature
sensor (lower) is
detected, it is judged
that paper is wrapped
around the fusing roller.
fusing main temperature
sensor (lower) is
detected, it is judged
that paper is wrapped
around the fusing roller.
21
FOP
FOP
Oil pump
Sends oil to the oil roller.
22
Oil tank
Stores oil.
23
OEMP
OEMP
Oil sensor
Photo sensor (Photo
refraction)
refraction)
Detects oil empty.
H when
empty
empty
24
HLTSD
HLTSD
Thermostat
(lower)
(lower)
Cuts conduction to the heater
lamp when the temperature
rises abnormally.
lamp when the temperature
rises abnormally.
25
Fusing transport
roller
roller
Transports paper to the paper
exit roller.
exit roller.
26
Idle roller
Applies a pressure to the paper
and the transport roller to give
the transport roller power to the
paper.
and the transport roller to give
the transport roller power to the
paper.
No.
Parts
Code
Signal
name
Name
Type
Function/Operation
Active
condition
1
Paper exit unit
Discharges the fused paper outside the machine.
2
POD
POD
Paper exit detector
Photo sensor (Photo
transmission)
transmission)
Detects paper exit.
L with paper
presence
presence
3
Paper exit roller
Discharges paper outside the machine.
4
Idle roller
Applies a pressure to the paper and the paper exit
roller to give the paper exit roller power to the
paper.
roller to give the paper exit roller power to the
paper.
No.
Parts
Note
Code
Signal
name
Name
Type
Function/Operation
Active
condition
2
3
4
4
1
AR-C330 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 16
(7) Image process section
a. Toner hopper unit
b. Image process frame section
No.
Parts
Code
Signal name
Name
Type
Function/Operation
Active
condition
1
Hopper unit
Stores toner and transports toner to the
developing unit.
developing unit.
2
Toner transport screw
Transports toner to the developing unit.
3
Toner pipe shutter
Prevents toner from spilling.
4
Shutter spring
Spring for the shutter
5
Toner hopper shutter
Shutter for the toner supply port.
6
Toner stirring plate
Stirs toner in the toner hopper.
7
TM
(Y, M, C, K)
(Y, M, C, K)
TM
(Y, M, C, K)
(Y, M, C, K)
Toner supply motor
Synchronous motor
Transports toner to the developing unit, and
stirs toner.
stirs toner.
5
6
2
3
4
7
5
5
5
6
7
6
7
6
7
6
1
3
5
4
5
2
1
AR-C330 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 17
c. Developing unit
No.
Parts
Note
Code
Signal
name
Name
Type
Function/Operation
Active
condition
1
Image process
frame unit
frame unit
Mounts the developing unit and the OPC
drum unit on it.
drum unit on it.
2
PTHS
PTHS
Temperature
sensor
sensor
Thermistor
Detects temperature in the image process
section.
section.
Analog
input
input
Each correction of image
process section is made
by this sensor data.
process section is made
by this sensor data.
3
Process control
PWB
PWB
Interface the developing unit, the OPC drum
unit, high voltage PWB, and PCU PWB.
unit, high voltage PWB, and PCU PWB.
4
DSD holder F
Keeps the distance between the OPC drum
and the developing roller constant.
and the developing roller constant.
5
OPC drum fixing
sleeve
sleeve
Fixes the OPC drum shaft.
No.
Parts
Note
Code
Signal name
Name
Type
Function/Operation
Active
condition
1
Developing unit (Y)
Changes yellow latent
electrostatic images to visible
toner images.
electrostatic images to visible
toner images.
2
Developing unit (M)
Changes magenta latent
electrostatic images to visible
toner images.
electrostatic images to visible
toner images.
3
Developing unit (C)
Changes cyan latent
electrostatic images to visible
toner images.
electrostatic images to visible
toner images.
4
Developing unit (K)
Changes black latent
electrostatic images to visible
toner images.
electrostatic images to visible
toner images.
5
DV seal
Shields and prevents toner
from leaking.
from leaking.
6
DV side seal F
Shields and prevents toner
from leaking.
from leaking.
7
DV side seal R
Shields and prevents toner
from leaking.
from leaking.
8
DMS
(Y, M, C, K)
(Y, M, C, K)
DMS
(Y, M, C, K)
(Y, M, C, K)
Drum mark sensor
Photo sensor
(Photo reflection)
(Photo reflection)
Detects the mark on the OPC
drum.
drum.
Analog input Controls the OC
drum phase and
identifies it.
identifies it.
9
Doctor
Controls toner quantity on the
developing roller to be even.
developing roller to be even.
10
6
7
8
1
5
9
2
3
4
11
12
13
14
13
13
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