Sharp AL-2051 Service Manual Page 108
- Page / 139
- Table of contents
- BOOKMARKS
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AL-2051 SIMULATION, TROUBLE CODES 10 - 32
5. Trouble codes
A. Trouble codes list
B. Details of trouble codes
Main
code
Sub
code
Details of trouble
E1 00 Network board communication trouble
01 Network board command time out error
80 Network board communication interface error
(Break in)
81 Network board communication interface error (Parity)
82 Network board communication interface error
(Overrun)
84 Network board communication interface error
(Framing)
E7 01 Duplex model memory setup error, memory not-
detected error
02 LSU trouble
10 Shading trouble (Black correction)
11 Shading trouble (White correction)
16 Abnormal laser output
F2 64 Toner supply abnormality
70 Improper cartridge
74 Toner cartridge CRUM error
F5 02 Copy lamp lighting abnormality
H2 00 Thermistor open
H3 00 Heat roller high temperature detection
H4 00 Heat roller low temperature detection
L1 00 Feeding is not completed within the specified time
after starting feeding. (The scan head locking switch
is locked)
L3 00 Scanner return trouble
L4 01 Main motor lock detection
32 Exhaust fan motor lock detection trouble
L6 10 Polygon motor lock detection
U1 03 Network board battery error
U2 04 EEPROM read/write error (Serial communication
error)
11 Counter check sum error (EEPROM)
U9 99 Panel language error
Main
code
Sub
code
Details of trouble
E1 00 Content Network board communication trouble
Detail An abnormality occurs in communication
between the MCU and the network board.
Cause Improper connection of the network board
cable
Improper firmware
Network board abnormality
MCU abnormality
Check
and
remedy
Check connection of the network board
cable.
Update firmware.
Replace the MCU and network board with
new one.
01 Content Network board command time out error
Detail MCU cannot receive response from the
network board while 30sec.
Cause Improper connection of the network board
cable
Improper firmware
Network board abnormality
MCU abnormality
Check
and
remedy
Check connection of the network board
cable.
Update firmware.
Replace the MCU and network board with
new one.
80 Content Network board communication interface
error (Break in)
Detail A break in error occurs in communication
between the CPU and the network board.
Cause Improper connection of the network board
cable
Improper firmware
Network board abnormality
MCU abnormality
Check
and
remedy
Check connection of the network board
cable.
Update firmware.
Replace the MCU and network board with
new one.
81 Content Network board communication interface
error (Parity)
Detail A parity error occurs in communication
between the MCU and the network board.
Cause Improper connection of the network board
cable
Improper firmware
Network board abnormality
MCU abnormality
Check
and
remedy
Check connection of the network board
cable.
Update firmware.
Replace the MCU and network board with
new one.
- SERVICE MANUAL 1
- CAUTION 2
- CONTENTS 4
- [1] GENERAL 6
- [2] SPECIFICATIONS 7
- 3. Copy performance 8
- 4. Network board 9
- 5. Printer 9
- 6. Scan function 9
- [3] CONSUMABLE PARTS 10
- 2. Environmental 11
- 1. Appearance 12
- 2. Internal 12
- 3. Operation panel 13
- 4. Motors and solenoids 14
- 5. Sensors and switches 15
- 6. PWB unit 16
- 7. Cross sectional view 17
- 1. Copier installation 18
- 2. Cautions on handling 18
- 4. Unpacking 19
- 7. Loading paper 19
- 8. Power to copier 20
- 9. Software 20
- B. Installing the software 21
- (2) Connecting a USB cable 22
- D. Setting up button manager 26
- 10. Interface 27
- 11. Moving 27
- C. Attachment method 28
- 20mm - 25mm 29
- [6] COPY PROCESS 32
- 2. Outline of print process 33
- 3. Actual print process 33
- About DC 5.2kV 34
- Semiconductor laser 35
- [7] OPERATIONAL DESCRIPTIONS 36
- 2. Scanner section 37
- 3. Laser unit 38
- 4. Fuser section 38
- A. General description 39
- Gear 20T 42
- Process detection switch 42
- Gear 38T 42
- 7. RSPF section 43
- D. RSPF open/close detection 44
- (book document detection) 44
- A. Initial state 44
- B. Front copy 44
- C. Back copy 44
- 9. Shifter 45
- [8] DISASSEMBLY AND ASSEMBLY 46
- 2. Operation panel section 47
- 3. Optical section 48
- 4. Fusing section 50
- PPD2 sensor 51
- Heater lamp 51
- Heat roller 52
- C. Assembly procedure 53
- B. Disassembly procedure 53
- PS semi-circuler 57
- 7. Rear frame section 61
- 8. Power section 62
- 9. Duplex motor section 62
- 10. Reverse roller section 63
- 11. RSPF section 63
- C. Document tray unit 64
- F. Drive unit 64
- G. Shutter solenoid 65
- I. Paper empty sensor 66
- J. PS roller 67
- K. Upper transport roller 67
- L. Paper sensor 68
- M. Lower transport roller 68
- N. Paper exit sensor 68
- [9] ADJUSTMENTS 69
- B. Image position adjustment 70
- B4 or 8 1/2″ × 14″ paper 71
- A4 size rear edge 71
- Paper rear edge 71
- Scale image 71
- 2. Copy density adjustment 72
- 3. High voltage adjustment 73
- 4. Duplex adjustment 74
- Document guide 75
- The trailing edge has a scale 75
- Table glass 75
- 2. Key rule 77
- 3. List of simulations 77
- (Example) 101
- (Main cassette paper feed) 102
- Chart back surface 106
- 5. Trouble codes 108
- [11] USER PROGRAM 112
- [12] ELECTRICAL SECTION 115
- 2. Actual wiring diagram 116
- RSPF UNIT 117
- 3. Signal name list 118
- [13] CIRCUIT DIAGRAM 120
- 2/14Memory section 121
- 3/14Buffer section 122
- 4/14Driver section 1 123
- 5/14Driver section 2 124
- 6/14Connector section 1 125
- 7/14Connector section 2 126
- 8/14Connector section 3 127
- 9/14Pull Up/Down section 128
- 11/14KronosII SDRAM section 130
- 13/14KronosII USB/LSU section 132
- 14/14Power Source section 133
- 1/3LED/LCD section 134
- 2/3KEY / Buzzer section 135
- 3/3Connector section 136
- LEAD-FREE SOLDER 137
- CAUTION FOR BATTERY DISPOSAL 138
- Trademark acknowledgements 139
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