Sharp AR-C240P Specifications Page 119
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- TROUBLESHOOTING
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5.5.2 Preparing for troubleshooting
(1) Operator panel display
Problems that are generated in this device are indicated in the LCD.
Apply proper measures according to the message displayed in the LCD.
Note:
When changing the engine board, remove the EEPROM chip from the old
board and install it on the newly replaced board
(2) CU assembly troubleshooting
No operation
Is an error message displayed?
YES Perform according to the error message.
▼
•No Is black displayed in the top and bottom lines of the operator panel LCD?
•No Check the power voltage 3.3V, 5V
3.3V is open space 2 pin for JTAGW
5V is 2, 3 pins for open space HD5V.
No Replace the power supply.
▼
•YES Check the PU board and operator panel board.
▼
•YES Is ROM DIMM A set properly?
No Set a program DIMM to ROM DIMM A properly.
If the error is not recovered, replace the CU board.
▼
•YES Replace the CU board.
Remove EEPROM from the old board and install it on the new board.
No.
1
2
3
4
5
6
Problem
The printer does not function properly after power ON.
Jam error
Feed jam (1st tray)
Feed jam (multipurpose tray)
Path jam
Exit jam
Duplex jam
Paper size error
I/D up/down error
Fuser unit error
Fan motor error
Flow Chart No.
1
2-1
2-2
2-3
2-4
2-5
3
4
5
6
- 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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