Sharp AR-C270 (serv.man7) Service Manual ▷ View online
b.PCU PWB
Mode
Operates.
NOTE
Sleep
Does not operate.
Preheat
Refer to "d. Signals controlled by
the PCU PWB in the pre-heat
mode".
the PCU PWB in the pre-heat
mode".
Normal
Operates.
c.ICU PWB
Mode
Operates.
NOTE
Sleep
Does not operate.
Low power
Normal
Operates.
(Signals controlled by the PCU PWB in the pre-heat mode)
Section
Signal name
Content
Operation in the
pre-heat mode
Manual
paper feed
paper feed
MPWS
Manual feed width
detection
detection
Does not
operate.
operate.
MPLD1
Manual feed
length detection
length detection
MPLD2
Manual feed
length detection
length detection
MTOP1
Manual feed tray
pull-out detection
pull-out detection
MTOP2
Manual feed tray
pull-out detection
pull-out detection
MPED
Manual feed
paper empty
detection
paper empty
detection
Paper feed
tray
tray
C
∗
SS1
Paper size
detection
detection
Does not
operate.
operate.
C
∗
SS2
Paper size
detection
detection
C
∗
SS3
Paper size
detection
detection
C
∗
SS4
Paper size
detection
detection
PED
∗
Paper empty
detection
detection
LUD
∗
Paper upper limit
detection
detection
C
∗
PD1
Paper remaining
quantity detection
1
quantity detection
1
LUM_ENB
∗
Paper tray lift-up
motor
motor
Paper
transport
transport
PFD
∗
Cassette paper
feed detection
feed detection
Does not
operate.
operate.
PPD1
Paper detection in
front of RR roller
front of RR roller
POD
Machine paper
exit detection
exit detection
PODF
Finisher paper exit
detection
detection
PFM
Paper feed motor
TRC
Transport clutch
MPFS
Manual paper
feed solenoid
feed solenoid
MPFC
Manual paper
feed clutch
feed clutch
CPFS
∗
Cassette paper
feed solenoid
feed solenoid
CPFC
∗
Cassette paper
feed clutch
feed clutch
RRM_START
RR motor
Section
Signal name
Content
Operation in the
pre-heat mode
Developing
PRD_AN?
Toner
concentration
detection
concentration
detection
Does not
operate.
operate.
Fusing
HLPR
HL power relay
ON
Waste
toner
toner
TBBOX
Waste toner bottle
installation
detection
installation
detection
Does not
operate.
operate.
TFD
Waste toner full
detection
detection
Image
process
process
DMENB
All OPC drum
drive motor
drive motor
Does not
operate.
operate.
DVKM
Developing motor
(Black)
(Black)
DVCM
Developing motor
(Color)
(Color)
HPCH
Toner hopper
installation
detection
installation
detection
PRD_ANRTH
Image process
temperature
detection
temperature
detection
Coin
vendor
(Japan
only)
vendor
(Japan
only)
CV_COPY
B/W copy allow
signal
signal
❍
(No Money
insertion
insertion
→
Detection ;
pre-heat mode
canceled)
pre-heat mode
canceled)
CV_CLCOPY
Color copy allow
signal
signal
CV_COUNT
Count signal
Does not
operate.
operate.
CV_START
Copy start signal
CV_COLOR
Color signal
CV_SIZE0
Size signal 0
CV_SIZE1
Size signal 1
CV_SIZE2
Size signal 2
CV_SIZE3
Size signal 3
Scanner
(reading)
(reading)
MHPS
Mirror home
position detection
position detection
Does not
operate.
operate.
SMENB
Scanner (writing)
motor
motor
Copy lamp
CL
Scanner lamp
Does not
operate.
operate.
Fan
CFM
Scanner (reading)
cooling fan
cooling fan
Does not
operate.
operate.
VFPWM
Fusing
exhaust/cooling
fan
exhaust/cooling
fan
Operates. (Only
the fusing
exhaust fan is
operable.)
the fusing
exhaust fan is
operable.)
LSUPWM
LSU cooling fan
(LSUFM)
(LSUFM)
Does not
operate.
operate.
OZFM
Ozone exhaust
fan
fan
Others
DSWF
Front door open
detection
detection
Does not
operate.
operate.
DDSW
Paper exit door
open detection
open detection
RDSWU
Paper fed upper
door open
detection
door open
detection
RDSWD
Paper feed lower
door open
detection
door open
detection
PSPR
Main power relay
OFF
MCLKA
Paper tray lift
motor/Toner motor
motor/Toner motor
Does not
operate.
operate.
MCLKB
DHPR
DHPR
Dehumidifier
heater power relay
heater power relay
Operates.
6 – 6
d. Communication in the pre-heat mode
Section
Signal name
Content
Operation in the
pre-heat mode
PCU SUB
PWB
PWB
TXD_SUB
PCU SUB data
send
send
Operates.
RXD_SUB
PCU SUB data
receive
receive
BELTCH
Transfer belt
pull-out detection
pull-out detection
ADU
TXD_ADU
ADU data send
Does not
operate.
operate.
RXD_ADU
ADU data receive
RES_ADU
ADU reset
ADU_CH
ADU pull-out
detection
detection
RADF
TXD_RADF
RADF data send
Operates.
RXD_RADF
RADF data receive
RES_RADF
RADF reset
Sorter
RES_SOT
SOT reset
Operates.
Section
Signal name
Content
Operation in the
pre-heat mode
LCC
TXD_LCC
LCC data send
Does not
operate.
operate.
RXD_LCC
LCC data receive
RES_LCC
LCC reset
RIC I/F
TXD_RIC
RIC data send
Does not
operate.
operate.
RXD_RIC
RIC data receive
DTR_RIC
Machine power
ON signal
ON signal
DSR_RIC
RIC power ON
signal
signal
ICU PWB
ICU_RXD
ICU data receive
Does not
operate.
operate.
ICU_TXD
ICU data send
ICU_RES
ICU reset signal
Operation
unit
unit
OPE_TXD
Data send to OPE
Operates.
OPE_RXD
Data receive from
OPE
OPE
OPE_RES
OPE reset signal
(2) Fusing section operation in the pre-heat mode and the sleep mode
(AR-C100/C150)
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
187
187
187
177
177
187
187
187
187
Ready condition control temperature (HL2) Lower heat roller
142
142
142
132
132
142
142
142
142
Copy/Print
mode
mode
Normal mode control temperature (HL1)
Upper heat roller
180
180
180
170
170
180
180
180
180
Normal mode control temperature (HL2)
Lower heat roller
135
135
135
125
125
135
135
135
135
Thick paper mode control temperature
(HL1)
(HL1)
Upper heat roller
200
200
200
200
200
200
200
200
200
AR-C150
only
only
Thick paper mode control temperature
(HL2)
(HL2)
Lower heat roller
155
155
155
155
155
155
155
155
155
AR-C150
only
only
OHP mode control temperature (HL1)
Upper heat roller
180
180
180
180
180
180
180
180
180
AR-C150
only
only
OHP mode control temperature (HL2)
Lower heat roller
175
175
175
175
175
175
175
175
175
AR-C150
only
only
Pre-heat
mode
mode
Energy saving mode control temperature
(HL1)
(HL1)
Upper heat roller
140
140
140
140
(137)
140
140
140
140
140
( ) AR-C100
Control temperature when resetting from
pre-heat to B/W (HL1)
pre-heat to B/W (HL1)
Upper heat roller
155
155
155
155
(152)
155
155
155
155
155
( ) AR-C100
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
(AR-C250/C160/C270)
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)
(HL1)
Upper heat roller
185
185
185
185
185
185
185
185
185
Thick paper mode 1 control temperature
(HL2)
(HL2)
Lower heat roller
155
155
155
155
155
155
155
155
155
Thick paper mode 2 control temperature
(HL1)
(HL1)
Upper heat roller
200
200
200
200
200
200
200
200
200
Thick paper mode 2 control temperature
(HL2)
(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)
(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)
pre-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
6 – 7
4. Consumable parts life and machine operation
The relationship between the consumable parts life and the machine operation is as shown in the table below.
Consumable parts
Condition
Operation
Message
Toner
K
Low toner
About 30-sheet copy (print) allowed
Copy allowed/ Supply toner
Y,M,C
Low toner
About 30-sheet copy (print) allowed
Copy allowed/ Supply toner
K
Toner empty
Copying (printing) is stopped after completion of the half-way copy
(print).
All copy (print) including color copy inhibited.
(print).
All copy (print) including color copy inhibited.
Toner empty
Y,M,C
Toner empty
Copying (printing) is stopped after completion of the half-way copy
(print).
(Monochrome copy is allowed.)
(print).
(Monochrome copy is allowed.)
Toner empty
Developer
K,Y,M,C
Life
Copy (print) allowed
Maintenance required
OPC drum
K,Y,M,C
Life
Copy (print) allowed
Maintenance required
Waste toner
bottle
bottle
OPC drum
section
section
Life
Copying (printing) is stopped after completion of the half-way copy
(print).
(print).
Replace toner collection
bottle
bottle
Transfer section
Life
Copying (printing) is stopped after completion of the half-way copy
(print).
(print).
Transfer unit toner
collection bottle full
collection bottle full
Fusing oil
Oil empty
Copy (print) is immediately stopped.
H6 trouble (Fusing oil
empty)
empty)
6 – 8
4. Consumable parts life and machine operation
The relationship between the consumable parts life and the machine operation is as shown in the table below.
Consumable parts
Condition
Operation
Message
Toner
K
Low toner
About 30-sheet copy (print) allowed
Copy allowed/ Supply toner
Y,M,C
Low toner
About 30-sheet copy (print) allowed
Copy allowed/ Supply toner
K
Toner empty
Copying (printing) is stopped after completion of the half-way copy
(print).
All copy (print) including color copy inhibited.
(print).
All copy (print) including color copy inhibited.
Toner empty
Y,M,C
Toner empty
Copying (printing) is stopped after completion of the half-way copy
(print).
(Monochrome copy is allowed.)
(print).
(Monochrome copy is allowed.)
Toner empty
Developer
K,Y,M,C
Life
Copy (print) allowed
Maintenance required
OPC drum
K,Y,M,C
Life
Copy (print) allowed
Maintenance required
Waste toner
bottle
bottle
OPC drum
section
section
Life
Copying (printing) is stopped after completion of the half-way copy
(print).
(print).
Replace toner collection
bottle
bottle
Transfer section
Life
Copying (printing) is stopped after completion of the half-way copy
(print).
(print).
Transfer unit toner
collection bottle full
collection bottle full
Fusing oil
Oil empty
Copy (print) is immediately stopped.
H6 trouble (Fusing oil
empty)
empty)
6 – 8
Display
