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

12 July ’86
2. Minimum Space Requirements
1-2

12 July ’86
3. Machine Level
1.
2.
Front to Back: Within 5 mm (0.2”) of level
Right to Left: Within 5 mm (0.2”) of level
Place the four leveling shoes [A] under the leveling feet [B] and screw
the leveling feet up or down to level the machine.
4. Power Source
1.
2.
3.
Input Voltage Level
115V/60 Hz - 20A
220V/50 Hz - 10A
240V/50 Hz - 10A
Permissible Voltage Fluctuation : ± 10%
Permissible Extension Cord: None recommended
NOTE: - Be sure to ground the machine. (Do not connect the grounding
wire to a gas pipe.)
- Make sure the plug is firmly inserted in the outlet.
- Should be dedicated outlet.
- Do not set anything on the power cord.
1-3

12 July ’86
5. Unpacking and Installation
- Unpacking -
1.
2.
3.
4.
5.
Cut the bands [A] binding the carton and remove the top carton [B].
Take out the accessories [C].
Remove the cushion blocks [D].
Open the vinyl bag.
Take out the machine.
1-4

12 July ’86
- Accessory Check -
Check the quantity
the New Equipment
DESCRIPTION
and condition of the accessories in the box according to
Condition Report (NECR) or the following list:
Q’TY
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
Copy Tray
Original Tray
Screw M4 X 8 mm
Leveling Shoe
Cushion Block
Operating Instructions
Installation Procedure
N.E.C.R.
Envelope for N.E.C.R.
1
1
2
4
2
1
1
1
(U. S. A.) 1
Multiple Language Decals (Europe)
1
1-5

12 July ’86
- Installation Procedure -
1. Remove all external strips of tape [A] and the two sponge door cushions
[B].
2. Remove the lower right cover [C] (3 screws) and the two studs [D] secur-
ing the paper trays. Reinstall the lower right cover.
3. Open the left door, and remove the two strips of tape [E] securing the
vertical transport guide plate.
4. Open the right
sponge cushions
door. Pull out the paper trays and remove the three
[F].
1-6

12 July ’86
5. Open the top unit, then remove the fusing knob [A] (1 screw: reverse
thread), cover [B] (3 screws), and the oil bottle [C]. Remove the clamp
[D] (2 screws) which secures the fusing unit and the duplex tray.
6. Turn the duplex tray handle [E] to the horizontal position, pull out the
duplex tray, and remove the two strips of tape [F] securing the duplex
unit covers. Open the duplex unit covers and carefully remove the strip
of tape securing the bottom plate. Then reset the duplex unit.
7. Unscrew the oil bottle cap [G], and fill the oil bottle with silicone oil.
Do not overfill the bottle. Reinstall the cap. Confirm that oil is supplied
to the oil sump [H] by pressing the oil supply lever [I] against the sleeve
of the oil pump several times.
8. Rotate the pressure cam shaft [J] counterclockwise until it locks (about
90°) to apply the pressure between the hot roller and the pressure
roller.
1-7

12 July ’86
9.
10.
11.
Reinstall the fusing unit cover [A] and the fusing knob. Confirm that the
tab [B] on the inside of the cover lifts up the oil sump stopper. If it
does not, oil will overflow from the sump. Close the top unit.
Remove the two optics studs [C] as follows:
a)
b)
c)
d)
e)
f)
g)
Raise the DF transport unit [D].
Remove the front cover [E] of the original feed unit (2 screws).
Remove the front top cover [F] (3 screws).
Loosen the two screws of the rear scale [G], and remove the glass
fixing plate [H] (1 screw).
Remove the exposure glass [I].
Remove the two optics studs securing the lens housing and the first
scanner.
Reassemble.
Install the original tray [J] (2 screws: M4 x 8 mm).
1-8

12 July ’86
12.
13.
14.
15.
16.
17.
Open the top unit [A], and remove the drum cover [B] (2 screws).
Remove the drum stay [C] by turning the knob counterclockwise.
Disconnect the charge corona wire cleaner connector [D] and remove the
charge corona unit [E].
Pull out the erase unit [F] and the drum thermistor [G].
Disconnect the pre-quenching corona wire cleaner connector [H], and
remove the quenching lamp unit [I].
Remove the cleaning unit [J].
1-9

12 July ’86
I
18.
19.
20.
21.
22.
CAUTION: Do not leave the top unit open, exposing an uncovered drum, for long
periods.
Remove the drum protective sleeve [A] from the drum. Save the drum
protective sleeve for future use.
Pressing the drum shaft [B] to the left to prevent drum damage, reinstall
the cleaning unit [C]. The cleaning unit must be inserted until the
cleaning unit drive gear [D] engages with the drum flange gear [E].
Reinstall the erase unit, the drum thermistor, the quenching lamp unit,
and pre-quenching corona unit. Reconnect the pre-quenching corona
wire cleaner connector.
Reinstall the charge corona unit and reconnect the charge corona wire
cleaner connector.
Reinstall the drum stay and the drum cover.
1-10

12 July ’86
23. Prepare the development unit as follows:
a)
b)
c)
d)
e)
Remove the development unit cover [A] (1 screw).
Remove the development unit [B] by removing the development unit
mounting screw [C] and place the unit on a sheet of paper.
Remove the developer inlet cover [D].
Pour two kilograms of developer into the development unit. While
pouring in the developer, turn the paddle roller knob [E] clockwise to
evenly distribute the developer.
Reinstall the developer inlet cover and the development unit.
NOTE: Confirm that the development unit is seated on the guide rails
properly. Also, confirm that the development unit is set cor-
rectly. If not, pull the unit out slightly, turn the paddle roller
knob, and push the unit back in.
1-11