Ricoh FT4480 FIELD SERVICE MANUAL
FT4480
RICOH COMPANY, LTD.
FIELD SERVICE MANUAL
INSTALLATION
1.
15 MARCH 1987
TABLE OF CONTENTS
1.
ENVIRONMENT
2.
MACHINE LEVEL
3.
MINIMUM SPACE REQUIREMENT
POWER REQUIREMENT
4.
5.
COPIER INSTALLATION
6.
COLOR DEVELOPMENT UNIT INSTALLATION
7.
KEY COUNTER HOLDER INSTALLATION
8.
A3/11’’x17” COUNTER INSTALLATION
9.
CASSETTE MODIFICATION
10.
MODIFYING MAIN TRANSFER VOLTAGE
11.
PREPARATION FOR TRANSPORTING THE COPIER
2.
SERVICE TABLE
PM TABLE
SERVICE TABLES
SERVICE REMARKS
SPECIAL TOOLS AND LUBRICATIONS
REPLACEMENT AND ADJUSTMENT
3.
1. OPTICS
2. DEVELOPMENT AND TONER SUPPLY
3. CLEANING
4. QUENCHING
5. PAPER FEED
6. FUSING
7. TRANSPORT
8. CORONA
9. OTHERS
10. COPY IMAGE
1- 1
1- 2
1- 2
1- 3
1- 4
1-12
1-15
1-16
1-17
1-18
1-19
2- 1
2- 3
2-14
2-20
3- 1
3-16
3-25
3-33
3-34
3-54
3-64
3-67
3-77
3-80
4.
ELECTRICAL DATA
SCHEMATICS
TIMING CHARTS
DOCUMENT FEEDER
5.
1. UNPACKING AND INSTALLATION
2. REPLACEMENT AND ADJUSTMENT
4- 1
4- 2
5- 1
5- 9
15 MARCH 1987
6. SORTER
1. UNPACKING AND INSTALLATION
2. REPLACEMENT AND ADJUSTMENT
7. LARGE CAPACITY TRAY
1. UNPACKING AND ADJUSTMENT
2. REPLACEMENT AND ADJUSTMENT
8. EDITOR BOARD
1. UNPACKING AND INSTALLATION
9. TROUBLESHOOTING
1. COPY QUALITY
2. SERVICE CALL CONDITIONS
3. DEFECTIVE SENSOR TABLE
6- 1
6- 5
7- 1
7- 7
8- 1
9- 1
9-19
9-30
SECTION 1
INSTALLATION
CONTENTS
1.
ENVIRONMENT
MACHINE LEVEL
2.
MINIMUM SPACE REQUIREMENT
3.
POWER REQUIREMENT
4.
5.
COPIER INSTALLATION
ACCESSORY CHECK
INSTALLATION PROCEDURE
6.
COLOR DEVELOPMENT UNIT INSTALLATION
ACCESSORY CHECK
INSTALLATION PROCEDURE
7.
KEY COUNTER HOLDER INSTALLATION
A3/11”X17” COUNTER INSTALLATION
8.
CASSETTE MODIFICATION
9.
MODIFYING MAIN TRANSFORMER VOLTAGE
10.
(220V TO 240V)
15 MARCH 1987
1- 1
1- 2
1- 2
1- 3
1- 4
1- 5
1-12
1-13
1-15
1-16
1-17
1-18
11.
PREPARATION FOR TRANSPORTING THE COPIER
SHORT HAUL TRANSPORTATION
LONG HAUL TRANSPORTATION BY VEHICLE
1-19
1-20
1. ENVIRONMENT
15 MARCH 1987
1.
Temperature Range:
Humidity Range:
2.
Ambient Illumination:
3.
10°C to 30°C (50°F to 86°F)
15% to 90% RH
Less than 1,500 Iux (Do not expose to direct
sunlight.)
Ventilation:
4.
Ambient Dust:
5.
Room Size:
6.
If the installation place is air-conditioned or heated, place the
7.
Room air should turn over at least 3 times/hour.
Less than 0.15 mg/m
More than 10 m
3
(4 x 10¯³ oz/yd³)
3
(13.4 yd3)
machine:
a.
Where it will not be subjected to sudden temperature changes.
b. Where it will not be directly exposed to cool air from an air
conditioner in the summer.
Where it will not be directly exposed to reflected heat from a
c.
space heater in winter.
8.
Avoid placing the copier in an area filled with corrosive gas.
9.
Avoid any area higher than 2,000 meters (6,500 feet) above sea
level.
Place the copier on a strong and level base.
10.
Avoid any area where the copier may be subjected to frequent
11.
strong vibration.
1-1
15 MARCH 1987
2. MACHINE LEVEL
Front to back: Within 5 mm (0.2”) of level
1.
Right to left: Within 5 mm (0.2”) of level
2.
Place the machine on a table and screw the leveling foots [A] up or
down to level the machine.
Use a leveling gauge if necessary.
3. MINIMUM SPACE REQUIREMENT
1.
Front: 70 cm (27.6”)
Back: 10 cm (3.9”)
2.
Right: 80 cm (31.5”)
3.
4.
Left :
10 cm (3.9”)
1-2
4. POWER REQUIREMENT
1. Input voltage level
110V/60Hz : More than 15A
115V/60Hz : More than 15A
220V/50Hz : More than 8A
220V/60Hz : More than 8A
240V/50Hz : More than 8A
2. Permissible voltage fluctuation: ± 10%
15 MARCH 1987
3. Permissible extension cord: At least 300V, 30A capacity and less
4. Do not set anything on the power cord.
NOTE: -
Be sure to ground the machine.
gas pipe.)
- Make sure the plug is firmly inserted in the outlet.
- Avoid multi-wiring.
than 5 meters (16.4 ft) long.
(Do not connect the grounding wire to a
1-3
15 MARCH 1987
5. COPIER INSTALLATION
- ACCESSORY CHECK -
Check the quantity and condition of the accessories in the box
according to the following list.
DESCRIPTION
1. Installation Procedure
(115V - English only. 220V/240V - five languages)
2. New Equipment Condition Report
3. Envelope
4. Cassette America, Europe, Middle East, Philippines
The Rest of Asia,
5. Cassette - Small
America, Europe, Middle East, Philippines, Taiwan
The Rest of Asia
6. Receiving tray
7. Original holder
8. Operating instructions
(115V - English only. 220V/240V - five languages)
9. Operating instruction cards
(115V - English only. 220V/240V - five languages)
10. Multilingual decals (220/240V only)
11. Sort/Stack key top
(attached on the right inner cover)
12. Sort/Stack key cover
(attached on the right inner cover)
13. Editing Sheet
NOTE: Save the Sorter/Stack key top and cover for Sorter installation.
- NECR (115V only)
Large
Q’TY
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1-4
- INSTALLATION PROCEDURE -
15 MARCH 1987
1.
Remove the shipping tapes [A] from the copier as shown.
Open the copier right [B] and left front door [C], remove the shipping
2.
tape [D] and the wedge [E] between the registration rollers, and cut
the cable tie [F] securing the toner collection bottle as shown.
Pull out the cassette tray [G].
3.
Remove the foam rubber [H].
4.
1-5
15 MARCH 1987
5.
Remove the
6.
Remove the
7.
Remove the
rear cover [A] (2 screws).
left cover [B] (4 screws).
scanner lock plate [C] (1 screw).
NOTE: Save the scanner lock plate for future use.
8.
Reinstall the left cover and rear cover.
9.
Pull out the fusing unit [D] to the lock position and remove the fusing
unit cover [E] (2 screws).
Prime the oil supply pad [F] with silicone oil.
10.
Fill the oil tank [G] with silicone oil.
11.
Manually operate the oil pump lever [H] and confirm the proper
12.
operation and condition of the silicone oil supply system.
Reassemble the fusing unit and return it to its original position.
13.
1-6
15 MARCH 1987
14.
Raise the development lock lever [A] and pull out the development
unit [B] and the PTL board [C]. Place the unit on a clean sheet of
paper.
15.
Remove the seal [D] from the toner tank.
Separate the toner tank [E] from the development unit [F] (2 screws).
16.
Pour one bottle of developer [G] into the development unit while
17.
turning the knob [H] counterclockwise to distribute the developer.
Remount the toner tank on the development unit.
18.
1-7
15 MARCH 1987
19. Swing the toner collection bottle cover [A] to the left (1 screw) and
unplug the toner overflow sensor connector [B].
20. Remove the toner collection bottle [C].
21. Lower the T/S corona unit [D].
22. Place a sheet of paper [E] over the T/S corona unit.
23. Remove the charge corona unit [F] together with the wire cleaner [G]
(1 screw).
24. Remove the drum stay [I] (1 knob and 1 screw).
NOTE: The drum stay knob [H] is reverse threaded.
1-8
15 MARCH 1987
25.
Pull out the drum protective sleeve [A].
NOTE:
26.
Make sure that the wire cleaner is properly positioned, then reinstall
Save the drum protective sleeve for future use when servicing the copier.
the drum stay and the charge corona unit.
27.
Remove the paper over the T/S corona unit and return the T/S
corona unit to its original position.
28.
Reinstall the toner collection bottle [B] and plug in the toner overflow
sensor connector [C].
29.
Make sure that
underneath the
bottle cover [F]
the hooks of the transport plate [D] are positioned
bottle cover [E], then reinstall the toner collection
(1 screw). Close the cassette tray.
1-9
15 MARCH 1987
30. Reinstall the PTL board, then reinstall the development unit.
CAUTION: When installing the PTL board [A], be sure that the PTL board is
properly positioned in the rail. When installing the development unit [B],
be sure the development unit rail is properly engaged with the unit
guide rail [C] on the copier.
31. Install
one toner cartridge [D].
NOTE:
Confirm that the toner cartridge gear is properly engaged by attempting to
rotate the cartridge counterclockwise.
When the toner cartridge gear is properly engaged, the toner cartridge will
not rotate freely.
32. Remove the DIP switch cover [E] on the left side of the operation
panel (1 screw) and turn on DIP switch No. 1 - 1.
1-10
15 MARCH 1987
Lower the platen cover.
33.
Plug in the machine and turn on the main switch.
34.
After the warm up period is completed, enter 99 copies and
35.
the Start Key for drum conditioning.
After the machine stops, turn off the main switch.
36.
Turn off DIP switch No. 1 -
37.
38.
Install the operating instruction cards [A] over the DIP Switch
1 and reinstall the DIP switch cover.
as shown (double-sided tape).
39.
Install the original holder [B] on the platen cover as shown and
the receiving tray [C].
40.
Load paper into the cassette and check machine operation and copy
quality.
41.
Fill out the New Equipment Condition Report.
1-11
press
cover
install
15 MARCH 1987
6. COLOR DEVELOPMENT UNIT INSTALLATION
- ACCESSORY CHECK -
Check the quantity and condition of the accessories in the box
according to the following list.
1. Actuator - Red
2. Actuator - Blue
3. Actuator - Green
4. Screw - M3x4
5. Color Decal Sheet
1
1
1
1
1
1-12
- INSTALLATION PROCEDURE -
15 MARCH 1987
NOTE: -
The color development unit should be installed after drum conditioning
is finished. (See the copier installation procedure.)
The following procedure should be done when the color developer is
replaced.
1. Install the color actuator [A] on the color development unit (1 screw).
NOTE: Each actuator has a colored sticker. Install the appreciate actuator.
2. Stick the appreciate decal [B] on the development unit handle.
3. Separate the toner tank [C] from the development unit [D] (2 screws).
4. Pour one bottle of color developer [E] into the development unit while
turning the knob [F] counterclockwise to distribute the developer.
1-13
15 MARCH 1987
5. Remount the toner tank on the development unit.
CAUTION:
When installing the color development unit, be sure the development
unit rail is properly engaged with the unit guide rail on the copier.
6. Install a color development unit [A].
7. Install the color toner cartridge [B].
8. Remove the DIP SW cover [C] on the
left side of the operation panel
(1 screw) and turn on DIP SW No. 1 - 1.
9. Plug in the machine and turn on the main switch. Confirm that the
Color Toner indicator is displayed on the operation panel.
10. Press the Enter key.
“20” will be displayed on the copy counter.
11. Put five sheets of white paper (A3 or 11”x17”) on the exposure
glass.
12. Lower the platen cover.
13. After the warm up period is completed, press the Start key.
14. After the machine stops, turn off the main switch and the DIP SW
No. 1 - 1.
15. Reinstall the DIP SW cover (1 screw).
1-14
7. KEY COUNTER HOLDER INSTALLATION
15 MARCH 1987
NOTE: Three types of counters are recommended for this copier (Ricoh, Hecon, and
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11. Reinstall all covers.
Hengstler key counters).
Open the right front door.
Pull out the cassette tray [A].
Remove the
Remove the
Remove the
Remove the
Remove the
Connect the 4p connector of the key counter holder [F] to the key
counter harness through the key counter access hole.
Hold the fixing plate on the inside of the key counter bracket [G] and
insert the key counter holder.
Align the holes in the fixing plate with the mounting holes of key
counter holder and secure the key counter holder.
NOTE: The fixing plate has three sets of holes. Make sure to use the holes that
right inner cover [B] (3 screws).
right front door.
front right side cover [C] (2 screws).
cover plate [D] (2 screws).
shorting plug [E] from the 4p key counter connector.
match the type of counter when installing.
1-15
15 MARCH 1987
8. A3/11”X17” COUNTER INSTALLATION
1. Open the right front door.
2. Pull out the cassette tray [A].
3. Remove the right inner cover [B] (3 screws).
4. Remove the A3/11”X17” counter cover plate [C] (2 screws).
5. Push the A3/11”X17” counter [D] into the space provided until it
locks.
6. Connect the 2p connector [E] on the A3/11”X17” connector to the
counter harness [F].
7. Reinstall the right inner cover.
1-16
15 MARCH 1987
9. CASSETTE MODIFICATION
Remove the cassette cover [A].
1.
Remove the side fences [B] (1 screw each) and the bottom plate [C].
2.
Reposition the rear fence [D] in the desired paper size position (1
3.
screw).
NOTE: Paper size positions are shown on the inside of the cassette.
Reinstall the bottom plate.
4.
Reinstall the side fences in the desired paper size position.
5.
6.
Attach the proper paper size decals [E] on the cassette at the
positions shown.
Insert the actuator plate [F] in the slot on the front of the cassette
7.
as shown.
NOTE: The actuator plates are enclosed in the cassettes.
Save the other actuator plates for future use.
1-17
15 MARCH 1987
10. MODIFYING MAIN TRANSFORMER VOLTAGE (220V TO 240V)
1. Remove the rear cover (2 screws).
2. Disconnect the 220V connector [A] (White:1P).
3. Connect the 240V connector [B] (Red:1P).
4. Reinstall the rear cover.
1-18
15 MARCH 1987
11. PREPARATION FOR TRANSPORTING THE COPIER
- SHORT HAUL TRANSPORTATION -
The copier may be seriously damaged if it is moved without proper preparation. Before moving the copier from its place of installation, be sure
to prepare it for transportation as follows:
1. Insert the drum protective sleeve [A].
2. Re-install the development unit.
3. Re-install the drum stay and charge corona unit.
4. Secure the following items with tape [B]:
Manual feed table
Platen cover or document feeder
Power supply cord (roll up first)
Cassette tray front cover
5. Remove the sorter to prevent damage to the bins.
6. Remove the cassettes.
7. Remove the original table from the document feeder.
8. Remove the LCT if it is installed in the 2nd feed station.
1-19
15 MARCH 1987
- LONG HAUL TRANSPORTATION BY VEHICLE -
If the machine is to be transported by vehicle, do
the following steps
after you have completed the short haul procedure.
1.
Remove the developer from the development unit.
Place a wedge [A] between the registration rollers.
2.
Remove the left cover [B] and install the scanner lock plate [C].
3.
NOTE: Confirm that the scanner is at the home position.
4.
Secure the following items with tape [D]:
T/S corona release lever to the drum stay knob
Transport plate to the toner collection bottle cover
1st and 2nd feed guide plates
Remove the sorter and secure the following items with tape:
5.
Top cover
Jam clearing tray
Bins--tape the right and left edges of the spacers together.
Secure the LCT covers and power supply cord with tape.
6.
1-20
SECTION 2
SERVICE TABLES
CONTENTS
15 MARCH 1987
PM TABLE
SERVICE TABLE
1. TEST POINTS
2. VARIABLE RESISTERS
3. DIP SWITCHES
4. SERVICE PROGRAM MODE (SP MODE OPERATION)
5. SERVICE PROGRAM MODE TABLE
SERVICE REMARKS
SPECIAL TOOLS AND LUBRICANTS
2- 1
2- 3
2- 4
2- 5
2- 8
2- 9
2-14
2-20
PM TABLE
C: Clean R: Replace L: Lubricate
15 MARCH 1987
ITEM
OPTICS
1. Mirrors, lens, reflectors, toner
shield glass, ADS
sensor
2. Exposure glass
2. Platen cover sheet
4. Scanner guide rod
and plate
5. Guide rod felt
PAPER FEED
6. Paper feed roller
7. Friction pad
8. Paper feed guide
plate
9. Registration sensor
10. Cassette bottom
plate pad
11. Paper feed sensor
AROUND DRUM
12. Corona wires
13. Wire cleaner
14. End blocks and casing
15. Transfer guide plate
16. Pre-Transfer Lamp
17. Quenching Lamp
18. ID sensor
19. Erase lamp unit
EM
60K 120K 180K
240K
C C C C C
C C C C C
C C C C C
L
L
L L
L
L L
C R R
C R R
C C C C
C
C
C
C C
C
C C
C C C C
C
R R
R R R R
C C
C
C
C C
C C C
C C C C C
C C C C C
C C C C C
C C C C
NOTES
Silicone cloth or water
(cotton pad), blower brush
Alcohol or water
Alcohol or water (replace if
necessary)
Launa oil or equivalent
L
Launa oil or equivalent
Water
Water
Blower brush
Alcohol or water
Blower brush
Dry cloth
Dry cloth
Dry cloth
Dry cloth, discharge before
installation.
Dry cloth, discharge before
installation.
Blower brush
Dry cloth
CLEANING UNIT
20. Cleaning blade
21. Cleaning seal
22. Cleaning brush
23. Cleaning unit
24. Pick-off pawls
25. Used toner bottle
R R R R
C C C C
R R
C C C C
C
C C C C
C C C C C
2-1
Dust with setting powder
Replace if necessary
Dust with setting powder
Replace if necessary
Empty of used toner
15 MARCH 1987
C: Clean R: Replace
L: Lubricate A: Add I: Inspect
ITEM
DEVELOPMENT UNIT
26. Developer
27. Upper brush seal
28. Side seals
29. Development unit guide
30. Toner supply clutch
FUSING UNIT
31. Hot roller
32. Pressure roller
33. Stripper pawls
34. Oil supply pad
35. Oil blade
36. Fusing entrance and
exit guides
37. Oil sump
OTHERS
38. Main drive chain
39. Transport belt
40. Bushings
DOCUMENT FEEDER
41. Belt
42. Pick-up roller
43. Feed roller
44. Friction roller
60K 120K 180K
EM
R R R R
C C C C
C C C C
C C C C
L L
C R
C R
C C C C
R R
C R
C C C C
C C C C
L L
C C
L
C C C C
C
C C C C
C
C C C C
C
C C C C
C
240K
C R
C R
R R
C R
C C
NOTES
If necessary
Mobil Temp 78
If necessary
Replace if necessary
Prime with silicone oil
Prime with silicone oil
Suitable solvent
Spindle oil
Alcohol or water
L
Spindle oil
Belt cleaner, replace if
necessary
Water, replace if necessary
Water, replace if necessary
Water, replace if necessary
LARGE CAPACITY TRAY
45. Pick-up roller
C R R
2-2
Water
SERVICE TABLES
1. Test Points
-
MAIN BOARD -
15 MARCH 1987
NUMBER
TP201
TP202 +5V (Vc)
TP203
TP204 Factory Use
TP205
CN212-1 ADS Voltage
CN209-1 Input voltage of image density sensor
- DF MAIN BOARD NUMBER
TP101
TP102
TP103
TP104
TP105 BeIt drive motor encoder pulse
FUNCTION
GND
+24V (VA)
+12V (Vs)
(Adjust using VR2 on the lamp regulator)
(Adjust using VR201 on the main board)
FUNCTION
GND
+24V (VA)
+12V (Power for motor control IC)
+5V (Vc)
2-3
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