Sharp AR-C240P Specifications Page 12
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2. OPERATION DESCRIPTION
The C7500/C7300 of printers, tandem color electrophotographic page printers, adopt technologies
such as an LED array, OPC, dry single-component non-magnetic developing, roller transfer and
heat-compression fusing. A black-writing printing method by shedding light on print areas is used.
Figure 2-1-1(600dpi) provides the block diagram of the printer.
N71 Board
Belt
Fuse
K Fuse
Y Fuse
M Fuse
C Fuse
JODEN
14P
Paper Tray 1 Paper Empty
Paper Tray 2 Near Empty
3P
3P
WHITE
BLUE
OPTION
7P
7P
BLUE
BLUE
BLUE
WHITE
WHITE
KPOW
K1200
YPOW
Y1200
CPOW
C1200
OPTN
MPOW
M1200
YELLOW
FAN1 (Pr)
FAN2 (Pow)
Plate Senosr
Density
5P
red
Gray
Blue
Z7L
Z7R
9P
22P
14P
14P
3P3P
3P
2P
9P
10P
16P
16P
4P
R71 board
HOP(INSNS1)
PAPIN(INSNS2)
PSWR(WRSNS)
TNRFUL
Manual Bypass Feeder (MBF)
Hopping
Motor
FF/Regist
Motor
K IDU
Motor
Y IDU
Motor
M IDU
Motor
C IDU
Motor
Belt
Motor
Heat
Motor
MBF Stage
MBF Paper Empty
Duplex Unit
DUP
V71 Board
Motor
Clutch
INSENS
FSENS
RSENS
Main
14P
7P
7P
7P
7P
Front Cover
Open
Microswitch
Upper Cover
Open Microswitch
COVOPN
TR10P
JODEN
REG
FAN8
8P
BEL THET
FEED
FSENS
RSNS
RCL
FAN1
FAN2
PCB-K7N
POWER
FAN
FAN(LEFT)
HVOLT
PSIZE
FCOVER
DUPLEX
CUIF
FAN4
black
yellow
yellow
yellow
red
red
red
red
red
red
FAN7
blue
blue
FAN5
PARTTEMP
yellow
yellow
3P
2P
Exit sensor
cable40
Regist
clutch
SHUTTER
ID
DCL
HOPFF
Main Motor Assy Belt Motor Assy
46
WHITE YELLOW
K LED HEAD
Control Panel
X7N board
Y LED HEAD
M LED HEAD
C LED HEAD
Toner Sensor (Y73-board)
Paper Size
Sensor
PXC-Board
AC Switch
AC
CN1 CN1
CN5
CN2
High -voltage
power supply
Low-voltage
power supply
CN3
CN2
10P
26P
26P
16P
3P
6P
16P
3P
16P
8P
2P
Exit solenoid
Cord 7
6P
TNRK
PANEL
STUCK
POWER
4P 4P
4P 4P 4P 4P
RED WHITE
BLACK YELLOW RED BLUE
6P
KPOW2
TNRY
YPOW2
TNRM
MPOW2
TNRC
CPOW2
OPTN
16P
3P
3P
3P3P3P
14P
STUCKFULL
Sns.
3P
FAN0
Up/Down
OHP Sen.
4P
4P
green
HUM
TEMP
yellow
yellow
yellow
Paper
thickness
2
RAM
TIG board
ROM
HDD
LAN
USB
CENTRO
FAN
FAN
10
2P
shutter clutch
Figure 2-1-1 600dpi
- AR -C 240P 1
- CONTENTS 3
- 1. CONFIGURATIONS 6
- 1.1 System Configuration 6
- 1.2 Printer Configuration 7
- 1.3 Supplies and Consumables 8
- Option Configuration 9
- 1.4 Specifications 10
- 2. OPERATION DESCRIPTION 12
- 2.1 Main Board (TIG PWB) 13
- 2.3 Power Units 16
- Disconnect 17
- [Maintenance Tools] 18
- Table 2-1 Maintenance Tools 18
- 2.2 Parts layout 19
- For 600dpi 20
- [Printer Unit-1/2] 21
- Figure 2-3 21
- [Printer Unit-2/2] 22
- Figure 2-4 22
- [Cassette Guide Assy (L),(R)] 23
- Figure 2-5 23
- [Duplex Unit] 24
- Figure 2-6 24
- 2.3 Replacing Parts 25
- 2.3.1 Top Cover 27
- (1) Open the Top Cover assy 27
- Figure 2-3-1 Top Cover 27
- 2.3.6 Eject Guide Assy 32
- (1) Remove the cassette 1 34
- 2.3.11 Face-Up Tray 37
- Figure 2-3-11 Face-Up Tray 37
- 2.3.15 Drum Contact Assys 41
- Stage height adjustment jig 43
- Top surface 43
- 2.3.20 Main Cooling Fan 46
- Connectors 47
- 2.3.22 Duplex Guide Assy 48
- Main chassis 52
- 2.3.27 Entrance Sensor PWB 53
- 2.3.30 Exit Sensor Assy 56
- 2.3.42 Fuser Unit 68
- (1) Open the top cover 1 68
- Figure 2-3-42 Fuser Unit 68
- 2.3.44 Duplex Unit 70
- Figure 2-3-44 Duplex Unit 70
- 3. ADJUSTMENT 76
- 3.0 System Maintenance MENU 76
- Maintenance Menu 78
- SWITCH SCAN 80
- MOTOR & CLUTCH TEST 84
- BLACK - ID MOTOR 84
- Figure 3-3 85
- Table 3-2 85
- TEST PATTERN 86
- Pattern 5 Pattern 6 88
- Pattern 7 88
- MTR=*.**KV CTR=*.**KV 89
- P=*** T=*** U=***[###] 89
- H=***% L=***[###] 89
- KTR=*.**KV YTR=*.**KV 89
- NV-RAM INITIAL 90
- TOTAL SHEETS FEED 91
- BLACK IMPRESSIONS 91
- YELLOW IMPRESSIONS 91
- MAGENTA IMPRESSIONS 91
- CYAN IMPRESSIONS 91
- 3.1.2.9 Panel display details 92
- Panel display 92
- Details of jam error display 96
- Value Check 101
- Measurement point 104
- 2-Character correction value 108
- Code content Barcode 108
- 5. TROUBLESHOOTING PROCEDURES 111
- 5.5 Troubleshooting Procedure 112
- Back-up roller thermister 128
- Heat roller thermister 128
- DIAGNOSTIC MODE 139
- XX.XX.XX 139
- Charge Roller 144
- Developing Roller 144
- Toner Supply Roller 144
- 5.6 Fuse check 145
- 6. CONNECTION DIAGRAM 146
- 6.1 Resistance Checks 146
- Feeder Motor 148
- Duplex Motor 148
- 6.2 Program/Font ROM Layouts 150
- (2) Main Controller PWB 152
- (6) N71 PWB 154
- Item Description 156
- INPUT. PRIME 157
- ACKNOWLEDGE 157
- 1. Parts Replacement 160
- APPENDIX C ERROR MESSAGES 165
- 1. Error messages 165
- 5. Other Warnings 177
- PARTS GUIDE 179
- (1) Main Assembly 1/3 181
- (1) Main Assembly 2/3 182
- (1) Main Assembly 3/3 183
- (2) Top Cover Assembly 185
- (2) Top Cover Assembly 186
- (3) Printer Unit Chassis 1/2 187
- (3) Printer Unit Chassis 2/2 188
- (3) Printer Unit Chassis 189
- (4) Paper Tray Guide 191
- (4)Paper Tray Guide 192
- (5)Duplex Unit 193
- (5) Duplex Unit 194
- ALL RIGHTS RESERVED 196
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