Read Sharp MX-M850 (serv.man30) Service Manual online
CONTENTS
NOTE FOR SERVICING
1. Precautions for servicing . . . . . . . . . . . . . . . . . .
i
2. Warning for servicing . . . . . . . . . . . . . . . . . . . . .
i
3. Note for installing site . . . . . . . . . . . . . . . . . . . . .
i
[1] PRODUCT OUTLINE
1. Configuration (85-sheet model) . . . . . . . . . . . . .
1- 1
2. Configuration (95/110-sheet model) . . . . . . . . . .
1- 3
[2] SPECIFICATIONS
1. Basic specifications . . . . . . . . . . . . . . . . . . . . . .
2- 1
[3] CONSUMABLE PARTS
1. Supply system table . . . . . . . . . . . . . . . . . . . . . .
3- 1
2. Maintenance parts list . . . . . . . . . . . . . . . . . . . . .
3- 2
3. Production number identification . . . . . . . . . . . .
3- 4
4. The indication of remaining toner amount and the
status of toner cartridge . . . . . . . . . . . . . . . . . . .
3- 5
[4] UNPACKING
AND
INSTALLATION
* For unpacking and installation, refer to the installation man-
ual (00ZMXM1100I1E).
[5] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Identification of each section and functions . . . .
5- 1
[6] ADJUSTMENTS
1. Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6- 1
2. Adjustment item list. . . . . . . . . . . . . . . . . . . . . . .
6- 1
3. Datails of adjustment . . . . . . . . . . . . . . . . . . . . .
6- 3
[7] SIMULATION
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7- 1
2. List of simulation codes . . . . . . . . . . . . . . . . . . .
7- 3
3. Details of simulation . . . . . . . . . . . . . . . . . . . . . .
7- 9
4. Soft switch (Detail of Sim. 66-1) . . . . . . . . . . . . .
7- 76
[8] SELF DIAG AND TROUBLE CODE
1. Self diag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8- 1
2. Trouble code list . . . . . . . . . . . . . . . . . . . . . . . . .
8- 4
3. Details of trouble code . . . . . . . . . . . . . . . . . . . .
8- 9
[9] MAINTENANCE
1. Necessary execution items in maintenance and
servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9- 1
2. Life end definition . . . . . . . . . . . . . . . . . . . . . . . .
9- 2
3. Other related items . . . . . . . . . . . . . . . . . . . . . . .
9- 2
4. Maintenance system table . . . . . . . . . . . . . . . . .
9- 3
5. Photoconductor section . . . . . . . . . . . . . . . . . . .
9- 7
6. Waste toner section . . . . . . . . . . . . . . . . . . . . . .
9- 17
7. Transfer section . . . . . . . . . . . . . . . . . . . . . . . . .
9- 18
8. Developing section . . . . . . . . . . . . . . . . . . . . . . .
9- 23
9. Toner supply section . . . . . . . . . . . . . . . . . . . . . .
9- 27
10. Fusing section. . . . . . . . . . . . . . . . . . . . . . . . . . .
9- 28
11. Filter section . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9- 35
12. Tray paper feed section . . . . . . . . . . . . . . . . . . .
9- 37
13. Paper transport section. . . . . . . . . . . . . . . . . . . .
9- 44
14. ADU paper exit section . . . . . . . . . . . . . . . . . . . .
9- 55
15. Drive section . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9- 64
16. Scanner section . . . . . . . . . . . . . . . . . . . . . . . . .
9- 73
17. DSPF section . . . . . . . . . . . . . . . . . . . . . . . . . . .
9- 77
[10] ROM VERSION-UP
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10- 1
2. Version-up procedure . . . . . . . . . . . . . . . . . . . . .
10- 1
[11] ELECTRICAL SECTION
1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . .
11- 1
2. AC/DC Power line diagram . . . . . . . . . . . . . . . .
11- 4
3. Signal list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11- 6
4. Actual wiring chart . . . . . . . . . . . . . . . . . . . . . . .
11- 27
[12] OTHERS
1. System settings (Administrator). . . . . . . . . . . . .
12- 1
2. Paper JAM code . . . . . . . . . . . . . . . . . . . . . . . .
12- 4
3. Electrical parts location . . . . . . . . . . . . . . . . . . .
12- 8
4. MFP substrate replacement procedure
(work flow) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12- 17
5. Service parts harness . . . . . . . . . . . . . . . . . . . .
12- 18
● DETAILS OF EACH SECTION
[A] EXTERNAL OUTFIT
[A] EXTERNAL OUTFIT
1. Disassembly and assembly . . . . . . . . . . . . . . . .
A - 1
[B] OPERATION PANEL
1. Electrical and mechanism relation diagram. . . .
B - 1
2. Disassembly and assembly . . . . . . . . . . . . . . . .
B - 2
[C] DSPF SECTION
1. Electrical and mechanism relation diagram. . . .
C - 1
2. Operational descriptions . . . . . . . . . . . . . . . . . .
C - 5
3. Disassembly and assembly . . . . . . . . . . . . . . . .
C - 6
[D] SCANNER SECTION
1. Electrical and mechanism relation diagram. . . .
D - 1
2. Operational descriptions . . . . . . . . . . . . . . . . . .
D - 2
3. Disassembly and assembly . . . . . . . . . . . . . . . .
D - 2
[E] TRAY PAPER FEED SECTION
1. Electrical and mechanism relation diagram. . . .
E - 1
2. Operational descriptions . . . . . . . . . . . . . . . . . .
E - 5
3. Disassembly and assembly . . . . . . . . . . . . . . . .
E - 7
[F] PAPER TRANSPORT SECTION
1. Electrical and mechanism relation diagram. . . .
F - 1
2. Operational descriptions . . . . . . . . . . . . . . . . . .
F - 3
3. Disassembly and assembly . . . . . . . . . . . . . . . .
F - 4
[G] LSU SECTION
1. Electrical and mechanism relation diagram. . . .
G - 1
2. Operational descriptions . . . . . . . . . . . . . . . . . .
G - 2
3. Disassembly and assembly . . . . . . . . . . . . . . . .
G - 2
[H] IMAGE PROCESS SECTION
1. Image process section operations . . . . . . . . . .
H - 1
2. Process control section . . . . . . . . . . . . . . . . . . .
H - 6
[ i ] PHOTOCONDUCTOR SECTION
1. Charging section . . . . . . . . . . . . . . . . . . . . . . . .
i - 1
2. Exposure section . . . . . . . . . . . . . . . . . . . . . . . .
i - 2
3. Separation section. . . . . . . . . . . . . . . . . . . . . . .
i - 3
4. OPC drum cleaning section. . . . . . . . . . . . . . . .
i - 5
5. Discharge section . . . . . . . . . . . . . . . . . . . . . . .
i - 6
6. Disassembly and assembly . . . . . . . . . . . . . . . .
i - 7
[J] TONER SUPPLY SECTION
1. Electrical and mechanism relation diagram. . . .
J - 1
2. Operational descriptions . . . . . . . . . . . . . . . . . .
J - 3
3. Disassembly and assembly . . . . . . . . . . . . . . . .
J - 3
[K] DEVELOPING SECTION
1. Electrical and mechanism relation diagram. . . .
K - 1
2. Operational descriptions . . . . . . . . . . . . . . . . . .
K - 2
3. Disassembly and assembly . . . . . . . . . . . . . . . .
K - 2
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