Sharp AR-651 (serv.man4) Service Manual ▷ View online
2. ERROR CODE AND SELF-
DIAGNOSIS
3. ADJUSTMENT
4. PREVENTIVE MAINTENANCE
(PM)
5. TROUBLESHOOTING
6. FIRMWARE UPDATING
8. WIRE HARNESS
CONNECTION DIAGRAMS
7. POWER SUPPLY UNIT
1. SPECIFICATIONS /
ACCESSORIES / OPTIONS /
SUPPLIES
SUPPLIES
I
CONTENTS
1. SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES .................................................. 1-1
1. 1.
Specifications ........................................................................................................................ 1-1
1. 2.
Accessories ........................................................................................................................... 1-13
1. 3.
Options .................................................................................................................................. 1-13
1. 4.
Supplies ................................................................................................................................. 1-14
1. 5.
System List ........................................................................................................................... 1-16
2. ERROR CODES AND SELF-DIAGNOSIS ................................................................................... 2-1
2. 1.
Error Codes ............................................................................................................................ 2-1
2. 2.
Self-diagnosis Modes ............................................................................................................. 2-8
2. 2. 1. Input check (test mode 03) ....................................................................................... 2-10
2. 2. 2. Output check (test mode 03) .................................................................................... 2-16
2. 2. 3. Test print mode (04) .................................................................................................. 2-19
2. 2. 4. Adjustment mode (05) ............................................................................................... 2-20
2. 2. 5. Setting mode (08) ..................................................................................................... 2-31
3. ADJUSTMENT ............................................................................................................................ 3-1
3. 1.
Hard Disk Formatting ............................................................................................................. 3-1
3. 2.
Adjustment of Auto-toner Sensor ........................................................................................... 3-2
3. 3.
Dimensional Adjustment of Copied Image .............................................................................. 3-4
3. 3. 1. Overview .................................................................................................................. 3-4
3. 3. 2. Paper alignment ........................................................................................................ 3-6
3. 3. 3. Printer related adjustment ......................................................................................... 3-7
3. 3. 4. Scanner related adjustment ...................................................................................... 3-12
3. 4.
Image Quality Adjustment ...................................................................................................... 3-19
3. 4. 1. Image density for copier ........................................................................................... 3-19
3. 4. 2. Sharpness adjustment for copier .............................................................................. 3-20
3. 4. 3. Gamma slope adjustment for copier ......................................................................... 3-20
3. 4. 4. Setting for range correction for copier ....................................................................... 3-21
3. 4. 5. Adjustment of background peak for range correction for copier ................................. 3-21
3. 4. 6. Adjustment of blurred/thin spotted text ..................................................................... 3-22
3. 4. 7. Adjustment of image density for printer ..................................................................... 3-22
3. 5.
High-voltage Adjustment ........................................................................................................ 3-23
3. 6.
Adjustment of Scanning Section ............................................................................................ 3-25
3. 6. 1. Carriages .................................................................................................................. 3-25
3. 6. 2. Lens unit ................................................................................................................... 3-29
3. 7.
Adjustment of Paper Feeding System .................................................................................... 3-32
3. 7. 1. Sheet sideways deviation caused by paper feeding .................................................. 3-32
3. 8.
Adjustment of Developer Unit ................................................................................................ 3-34
3. 9.
Adjustment of Fuser Unit ....................................................................................................... 3-35
3. 9. 1. Adjustment of fuser roller pressure ........................................................................... 3-35
AR-651/810 CONTENTS
II
AR-651/810 CONTENTS
3. 9. 2. Setting of fuser roller temperature ............................................................................. 3-36
3. 9. 3. Adjustment of fuser inlet guide ................................................................................. 3-36
3. 9. 4. High-fusing mode ...................................................................................................... 3-37
3. 10 Adjustment of Exit/Reversal Unit ........................................................................................... 3-38
3. 10. 1. Adjustment of sideways deviation at reverse discharging ......................................... 3-38
3. 11. Adjustmet of Reversing Automatic Document Feeder ............................................................ 3-39
3. 11. 1. Installing of the RADF unit ........................................................................................ 3-39
3. 11. 2. Skew adjustment ...................................................................................................... 3-40
3. 11. 3. Adjustment of solenoid ............................................................................................. 3-41
3. 11. 4. Adjustment of RADF open/close switch .................................................................... 3-42
3. 11. 5. Adjustment of RADF height ...................................................................................... 3-42
4. PREVENTIVE MAINTENANCE (PM) ......................................................................................... 4-1
4. 1.
PM Support Mode .................................................................................................................. 4-1
4. 1. 1. General description ................................................................................................... 4-1
4. 1. 2. Operational flow and operational screen .................................................................... 4-1
4. 2.
General Descriptions for PM procedure .................................................................................. 4-5
4. 3.
Operational Items in Overhauling ........................................................................................... 4-5
4. 4.
Preventive Maintenance Checklist ......................................................................................... 4-5
4. 5.
PM Kit ................................................................................................................................... 4-19
4. 6.
Jig List ................................................................................................................................... 4-20
4. 7.
Precautions for Storing and Handling Supplies ....................................................................... 4-21
4. 7. 1. Precautions for storing supplies ................................................................................ 4-21
4. 7. 2. Checking and cleaning of OPC drum ........................................................................ 4-21
4. 7. 3. Checking and cleaning of drum cleaning blade and transfer belt cleaning blade ............. 4-22
4. 7. 4. Handling of drum cleaning brush and transfer belt cleaning brush ............................. 4-23
4. 7. 5. Handling of transfer belt ............................................................................................ 4-23
4. 7. 6. Checking and cleaning of fuser roller and pressure roller ........................................... 4-23
4. 7. 7. Checking and replacing of cleaning web and cleaning rollers (felt, metal) .................. 4-24
4. 8.
Replacement of maintenance parts ........................................................................................ 4-25
4. 8. 1. DRUM UNIT .............................................................................................................. 4-25
4. 8. 2. DEVELOPER UNIT .................................................................................................. 4-30
4. 8. 3. FUSER UNIT ............................................................................................................ 4-34
5. TROUBLESHOOTING ................................................................................................................ 5-1
5.1
Diagnosis and Prescription for Each Error Code and Phenomenum ....................................... 5-1
5.1.1
Paper transport jam .................................................................................................. 5-1
5.1.2
Paper misfeeding ...................................................................................................... 5-14
5.1.3
Cover open jam ........................................................................................................ 5-21
5.1.4
Jams at eit/reverse section and other transport jams ............................................... 5-24
5.1.5
Original jam in RADF ................................................................................................ 5-33
5.1.6
Paper jam in finisher ................................................................................................. 5-37
III
AR-651/810 CONTENTS
5.1.7
Paper feeding system related service call ................................................................. 5-53
5.1.8
Process system related service call ......................................................................... 5-58
5.1.9
Scanning system related service call ........................................................................ 5-60
5.1.10
Fuser unit related service call ................................................................................... 5-62
5.1.11
Communication related service call .......................................................................... 5-68
5.1.12
ADF related service call ............................................................................................ 5-71
5.1.13
Laser optical unit related service call ........................................................................ 5-76
5.1.14
Finisher related service call ...................................................................................... 5-79
5.1.15
Service call for others .............................................................................................. 5-101
5.1.16
Troubleshooting for image quality control ................................................................. 5-102
5.1.17
Troubleshooting for surface potential control ............................................................ 5-105
5.2
Troubleshooting for the Image ............................................................................................... 5-107
6. FIRMWARE UPDATING .............................................................................................................. 6-1
6. 1.
Software Installing for Firmware Updating .............................................................................. 6-2
6. 1. 1. Outline ...................................................................................................................... 6-2
6. 1. 2. Requirements ........................................................................................................... 6-2
6. 1. 3. Dial-up network function ............................................................................................ 6-4
6. 1. 4. Installing of dial-up network ....................................................................................... 6-8
6. 1. 5. Setting of dial-up network ......................................................................................... 6-10
6. 1. 6. Software installing for FTP server ............................................................................. 6-14
6. 2.
Operation Procedure in [3][9] Mode ........................................................................................ 6-18
6. 2. 1. Outline ...................................................................................................................... 6-18
6. 2. 2. Preparation ............................................................................................................... 6-18
6. 2. 3. Updating procedure ................................................................................................... 6-20
6. 2. 4. Display ..................................................................................................................... 6-28
6. 3.
Firmware Updating with Download Jig .................................................................................... 6-32
6. 3. 1. System firmware ....................................................................................................... 6-33
6. 3. 2. Engine firmware ........................................................................................................ 6-39
7. POWER SUPPLY UNIT ........................................................................................................7-1
7. 1.
Output Channel ...................................................................................................................... 7-1
7. 2.
Fuse ...................................................................................................................................... 7-5
8. WIRE HARNESS CONNECTION DIAGRAMS ........................................................................8-1
8. 1.
AC Wire Harness ................................................................................................................... 8-2
8. 2.
DC Wire Harness ................................................................................................... 8-4, Appendix
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