Ricoh FT7060 Quick start guide

RICOH
RICOH FT7060
FIELD SERVICEMANUAL
RICOH COMPANY, LTD.

TABLE OF CONTENTS
I. INSTALLATION
1.
2.
3.
4.
5.
6.
7.
8.
9.
Environment
1-1
Minimum Space Requirements
Machine Level
Power Source
Unpacking and Installation
Key Counter Holder Installation
A3 / 11” x 17” Counter Installation
Modifying Main Transformer Voltage (220V to 240V)
1-2
1-3
1-3
1-4
1-15
1-16
1-17
Preparation for Transporting the Copier . . . . . . . . . . 1-18
II. SERVICE TABLES
PM TABLE
2-1
SERVICE TABLES
1. Test Points
2-5
2. Variable Resisters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
3. Dip Switches
2-6
SERVICE REMARKS
2-7
SPECIAL TOOLS AND LUBRICANTS . . . . . . . . . . . . . . . . . . . . . . . . 2-12
III. REPLACEMENT AND ADJUSTMENT
EXTERIOR COMPONENT REMOVAL
1.
2.
DRUM
3.
4.
5.
6.
Exposure Glass and Operation Panel Removal 3-1
Top Plate Removal
3-2
AND CHARGE
Drum Replacement 3-3
Drum Thermoswitch and Heater Replacement 3-4
Charge Corona Wire Replacement 3-5
Charge Cleaner Drive Wire Replacement 3-6
EXPOSURE
7. Scanner Drive Wire Replacement
3-7
8. Lens Drive Wire Replacement
3-17
9. Exposure Lamp Unit Removal
3-21
DEVELOPMENT
10. Development Unit Removal
3-22
11. Developer Replacement
3-23
12. Development Roller and Paddle Roller Removal . . 3-24
13. Adjustment of Development Roller Gaps
3-26
14. Image Density Sensor Cleaning and Removal
3-28
15. Image Density Sensor Adjustment
3-29

TRANSFER AND PICK-OFF
16. Transport Unit Removal
17. Pre-transfer Corona Wire Replacement
18. Transfer and Separation Corona Wire Replacement
19. Drive Wire Replacement (PTC and T/S Corona) . . .
20. Transport Belt Replacement
21. Registration Sensor Replacement
22. Pick-off Pawl Unit Removal . . . . . . . . . . . . . . . . . . . .
CLEANING
23. Cleaning Blade and Brush Replacement
24. Pre-cleaning Corona Wire Replacement
25. Toner Collection Coil Replacement
26. Cleaning Blade Pressure Adjustment
27. Blade Cleaner and Bias Roller Blade Replacement
28. Pre-quenching Corona Wire Replacement
FUSING
29.
30.
31.
32.
33.
34.
35.
36.
Fusing Unit Removal
Hot Roller Stripper Replacement
Cleaning Blade, Metering Blade,
and Oil Supply Pad Replacement
Hot Roller Replacement
Pressure Roller Replacement
Thermistor and Thermofuse Replacement
Fusing Pressure Adjustment
Hot Roller Temperature Adjustment
INVERTER
37. Inverter Roller Clutch Disassembly
and Adjustment
38. Inverter Gate Solenoid Adjustment
39. Inverter Gate Adjustment
PAPER FEED
40. Paper Feed Unit Removal
41. Pick-up Roller Replacement
42. Feed Roller Replacement
43. Friction Roller Replacement
44. Paper Tray Unit and Cover Removal
45. Paper Tray Drive Wire Replacement . . . . . . . . . . . . .
46. Vertical Transport Unit Removal
3-30
3-31
3-32
3-33
3-34
3-35
3-36
3-37
3-38
3-39
3-40
3-41
3-42
3-43
3-44
3-45
3-47
3-49
3-50
3-51
3-53
3-54
3-56
3-57
3-58
3-59
3-60
3-61
3-62
3-63
3-66
DUPLEX TRAY
47.
48.
49.
50.
51.
52.
53.
Duplex Tray Removal
3-67
Paper Feed Roller Replacement and Adjustment . . 3-68
Pick-up Roller Replacement
3-69
Friction Roller Replacement . . . . . . . . . . . . . . . . . . . 3-70
Bottom Plate Pressure Clutch Disassembly
3-71
Duplex Paper Sensor Adjustment . . . . . . . . . . . . . . . . 3-72
Duplex Side Plate Drive Wire Replacement
3-73

COPY IMAGE
54. Horizontal Magnification Adjustment
3-74
55. Side-to-Side Registration Adjustment 3-75
56. Uneven Exposure Adjustment
3-76
57. Light Intensity Adjustment 3-77
58. Auto Density Sensor Adjustment 3-78
CORONA CURRENT ADJUSTMENT
59. Corona Current Adjustment Preparation
3-79
60. Charge Corona 3-81
61. Pre-transfer Corona . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-82
62. Transfer Corona
3-83
63. Separation Corona 3-84
64. Pre-cleaning Corona 3-85
65. Pre-quenching Corona
3-86
SERVICE PROGRAM MODE
1. Factory Settings
3-87
2. Service Program Functions
3-88
IV. ELECTRICAL DATA
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Main Board Schematic
4-1
DC Drive Board Schematic . . . . . . . . . . . . . . . . . . . . . . 4-2
Scanner Motor Control Board Schematic . . . . . . . . . . 4-2
Main Motor Control Board Schematic . . . . . . . . . . . . . 4-3
Lens/Mirror Motor Control Board Schematic . . . . . . 4-4
Timer Board Schematic 4-5
Power Supply Unit Block Diagram 4-6
Operation Panel - CPU Board Schematic . . . . . . . . . . 4-7
Operation Panel - CPU Board Schematic 4-8
AC Drive Board Schematic 4-8
DF Main Board Schematic
Sorter Main Board Schematic 4-10
V. DOCUMENT FEEDER
SERVICE TABLES
1. Test Point Table
5-1
2. Variable Resister Table . . . . . . . . . . . . . . . . . . . . . . . 5-1
3. LED Table
5-1
4. DIP Switch Table
5-2
5. Blown Fuse Table
5-3
6. Switch Failure Table
5-3
7. Sensor Failure Table
5-4

REPLACEMENT AND ADJUSTMENT
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Separation Roller Replacement
Friction Tab Replacement
Pick-up Roller Replacement
Transport Unit Cover Removal
Feed Belt Removal
Inverter Entrance and inverter Registration
Sensor Replacement
Turn Roller Replacement
Exit Roller/Pull-out Roller Replacement
Inverter Roller Replacement
DF Removal
Original Skew Adjustment
Original
VI. SORTER
UNPACKING
5-5
5-6
5-7
5-10
5-11
5-12
5-13
5-14
5-15
5-17
5-18
Leading Edge Adjustment
5-19
6-1
INSTALLATION
1. Accessory Check 6-2
2. Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . 6-3
SERVICE TABLES
1. Sorter Main Board
6-6
2. Sorter Interface Board . . . . . . . . . . . . . . . . . . . . . . . . 6-7
REPLACEMENT AND ADJUSTMENT
1. Distribution Unit Removal . . . . . . . . . . . . . . . . . . . . . 6-8
2. Transport Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . 6-10
3. Transport Belt Replacement . . . . . . . . . . . . . . . . . . . . 6-11
4. Jam Sensor and Bin Copy Sensor Adjustment . . . . . 6-14
5. 50Hz/60Hz Modification . . . . . . . . . . . . . . . . . . . . . . . . 6-15
VII. LARGE CAPACITY TRAY
UNPACKING
7-1
INSTALLATION
1. Accessary Check 7-2
2. Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . 7-3
REPLACEMENT AND ADJUSTMENT
1. Paper Feed Unit Removal 7-7
2. Pick-up Roller Replacement 7-8
3. Feed Roller Replacement
7-9
4. Friction Roller Replacement 7-10
5. Paper Tray Unit Removal
7-11
6. Paper Tray Drive Wire Replacement
7-12

INTRODUCTION
8-1
COPY QUALITY
White Spots 8-2
Hat Image
8-3
Blank Area 8-4
Wrinkled Copy 8-5
Unfused Copy
8-6
Horizontal White Lines (Bands) 8-6
Jitter
8-7
Hollowing Out 8-8
Fuzzy Copy
8-8
Vertical White Lines (Bands) 8-9
Uneven Density
8-11
Vertical Black Lines (Bands)
8-14
Black Spots
8-18
Dirty Background
8-19
Black Image
8-22
Blank Copy
8-22
Light Copy
8-24
PAPER JAM/MISFEED
Pick-off Jam
8-26
False Paper Jam
8-27
Duplex Tray Jam
8-27
Paper Feed Jam
8-29
Registration Jam 8-30
Exit Jam 8-30
Transport Unit Jam 8-30
Fusing Jam
8-31
FUNCTIONAL PROBLEM
Not Ready
8-32
Abnormal Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32
Please Wait Condition
8-34
DF
Original Jam
8-35
No Display
8-35
Abnormal Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-36
SORTER
Not Ready
8-37
False Jam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-37
Jam in Sorter 8-38
Others
8-38

SERVICE CALL
SC - l
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- l0
- 11
- 12
- 13
- 14
- 15
- 17
- 18
- 19
- 21
- 22
- 23
- 24
- 25
CONDITIONS
Exposure 8-39
Drum Thermistor . . . . . . . . . . . . . . . . . . . . . . . . 8-41
Drum Heater
8-42
Drum Overheat 8-43
Fusing Thermistor . . . . . . . . . . . . . . . . . . . . . . 8-44
Fusing Lamp 8-44
Fusing Overheat . . . . . . . . . . . . . . . . . . . . . . . . 8-45
Temperature Fuse . . . . . . . . . . . . . . . . . . . . . . . . 8-46
Optics Encode
8-47
Home Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-48
Scanner Velocity
8-49
Scanner Return . . . . . . . . . . . . . . . . . . . . . . . . 8-50
Total Counter
8-50
High Voltage Leak . . . . . . . . . . . . . . . . . . . . . . 8-51
Lens Drive Lock . . . . . . . . . . . . . . . . . . . . . 8-52
Cleaner Motor - Charge Wire
8-53
Cleaner Motor - PTC Wire . . . . . . . . . . . . . . . 8-54
Cleaner Motor - T/S Wire . . . . . . . . . . . . . . . 8-55
Paper Feed Unit . . . . . . . . . . . . . . . . . . . . . . . . 8-56
Option Tray Paper Feed Unit
8-56
Upper Tray 8-57
Lower Tray 8-58
Option Tray
8-59
DEFECTIVE SENSOR TABLE
Table 8-60

SECTION 1
INSTALLATION

12 July ’86
CONTENTS
1.
2.
3.
4.
5.
6.
7.
8.
9.
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Space Requirements
Machine Level
Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unpacking and Installation
Key Counter Holder Installation
A3 / 11” x 17” Counter Installation
Modifying Main Transformer Voltage (220V to 240V) . .
Preparation for Transporting the Copier
1-1
1-2
1-3
1-3
1-4
1-15
1-16
1-17
1-18

12 July ’86
1. Environment
1. Temperature Range 10°C to 30°C (50°F to 86°F)
2. Humidity Range 15% to 90% RH
3. Ambient Illumination Less than 1,500 lux (Do not expose to direct sun-
light.)
4. Ventilation Room air should turn over at least 3 times/hour.
5. Ambient Dust Less than 0.15 mg/m3 (4 x 10-3 Oz/yd3)
6. Room Size More than 10 m3 (13.4 yd3)
7. If the place of installation is air-conditioned or heated, place the
machine:
a) where it will not be subjected to sudden temperature changes from
low to high, or vice versa.
b) where it will not be directly exposed to cool air from an air con-
ditioner.
c) where it will not be directly exposed to reflected heat from a
heater.
8. Avoid placing the copier in an area filled with corrosive gas.
9. Avoid any area higher than 2,000 m (6,500 feet) above sea level.
10. Place the copier on a strong and level base,
NOTE: This copier weighs 290 kg (638 lb). Before installing, make sure
that the floor is strong enough for this machine. This is espe-
cially required when there is other heavy equipment located
nearby.
11. Avoid any area where the copier may be subjected to strong vibration.
1-1