Read Sharp AR-C270 (serv.man4) Service Manual online
2 – 13
(AR-C250/C160/C270)
(4) Heat roller
(5) Pressure roller
(6) Release method
G. Drive section
H. Engine controller
I. Image processing controller
J. Memory
K. Power source
(1) DC power supply
(AR-C150/C250)
(AR-C160/C270)
(2) Dehumidifier functionality
Mode
Control temperature
NOTE
U.S.A Canada Inch Japan AB_B Europe
U.K
Aus. AB_A
Ready
condition
condition
Ready condition control temperature (HL1)
Upper heat roller
177
177
177
177
177
177
177
177
177
Ready condition control temperature (HL2)
Lower heat roller
132
132
132
140
(132)
140
(132)
132
132
132
132
( ) AR-C160/
C270
C270
Copy/Print
mode
mode
Normal mode control temperature (HL1)
Upper heat roller
170
170
170
170
170
170
170
170
170
Normal mode control temperature (HL2)
Lower heat roller
125
125
125
140
(125)
140
(125)
125
125
125
125
( ) AR-C160/
C270
C270
Thick paper mode 1 control temperature (HL1) Upper heat roller
185
185
185
185
185
185
185
185
185
Thick paper mode 1 control temperature (HL2) Lower heat roller
155
155
155
155
155
155
155
155
155
Thick paper mode 2 control temperature (HL1) Upper heat roller
200
200
200
200
200
200
200
200
200
Thick paper mode 2 control temperature (HL2) Lower heat roller
155
155
155
155
155
155
155
155
155
OHP mode control temperature (HL1)
Upper heat roller
180
180
180
180
180
180
180
180
180
OHP mode control temperature (HL2)
Lower heat roller
175
175
175
175
175
175
175
175
175
Pre-heat
mode
mode
Energy saving mode control temperature (HL1) Upper heat roller
136
(146)
136
(146)
136
(146)
136
(146)
136
(146)
136
(146)
136
(146)
136
(146)
136
(146)
( ) AR-C160/
C270
C270
Control temperature when resetting from pre-
heat to B/W (HL1)
heat to B/W (HL1)
Upper heat roller
148
(158)
148
(158)
148
(158)
148
(158)
148
(158)
148
(158)
148
(158)
148
(158)
148
(158)
( ) AR-C160/
C270
C270
Sleep
mode
mode
HL1
Upper heat roller
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
HL2
Lower heat roller
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Type
Silicone rubber roller
φ
40mm (AR-C150)
φ
50mm (AR-C250/C160/C270)
Life
40K
Type
Silicone rubber roller
φ
40mm (AR-C150)
φ
50mm (AR-C250/C160/C270)
Life
40K
Forced release by releasing tabs
Drive section
Motor name
Motor type
Toner hopper
(C, M, Y, K)
(C, M, Y, K)
Toner motor
(Y, M, C, K)
(Y, M, C, K)
Synchronous motor
Photosensitive drum
(C, M, Y, K)
(C, M, Y, K)
Drum motor
(Y, M, C, K)
(Y, M, C, K)
Stepping motor
Image scanner
Scanner motor
Stepping motor
Developing
(C, M, Y, K)
(C, M, Y, K)
Developing motor
(Y, M, C, K)
(Y, M, C, K)
DC brush-less motor
Paper feed and
conveyance
conveyance
Paper feed motor
DC brush-less motor
Transfer belt
Transfer belt motor
Stepping motor
Fusing
Fusing motor
DC brush-less motor
Processor
M68334
Processor
MCF5202
Type
Capacity
Memory contents
Location
DRAM
128MB (AR-C150/C160)
256MB (AR-C250/C270)
256MB (AR-C250/C270)
Image data
ICU MAIN
PWB
PWB
Flash
ROM
ROM
32Mbit (16Mbit x 2)
Program data
ICU MAIN
PWB
PWB
16Mbit (AR-C150/C250/
C160/C270)
8Mbit (AR-C100)
Program data
PCU MAIN
PWB
PWB
16Mbit (AR-C150/
C160/C270)
16Mbit × 2 (AR-C250)
Program data
Operation
control
PWB
control
PWB
EEPROM 64Kbit (AR-C100)
256Kbit (AR-C150/C160/
C250/C270)
Setting,
adjustment,
counter data, etc.
adjustment,
counter data, etc.
PCU MAIN
PWB
PWB
64Kbit
Setting,
adjustment,
counter data, etc.
adjustment,
counter data, etc.
ICU MAIN
PWB
PWB
Type
Output
Voltage
Capacity (current)
Note
DC power
supply
supply
Main
24V
15A
5.1V
7.5A
3.4V
5.5A
Sub
26V
0.5A
5V2
1.1A
5Vs
0.1A
Type
Output
Voltage
Capacity (current)
Note
DC power supply
24V
10A
5.1V
12A
3.4V
9A
Section
Paper conveyor section
(Japan only)
(Japan only)
Image scanner section
(optional outside of Japan)
(optional outside of Japan)
Method
Surface heater
Surface heater
* With ON/OFF switch
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