1. Manuals
  2. Brands
  3. Ricoh Manuals
  4. Copier
  5. FT4480
  6. Field service manual

Ricoh FT4480 Field Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
F T 4 4 8 0
F I E L D
S E R V I C E
M A N U A L
RICOH COMPANY, LTD.

Advertisement

Table of Contents
loading

Related Manuals for Ricoh FT4480

Summary of Contents for Ricoh FT4480

  • Page 1 F T 4 4 8 0 F I E L D S E R V I C E M A N U A L RICOH COMPANY, LTD.

  • Page 2: Table Of Contents

    15 MARCH 1987 TABLE OF CONTENTS INSTALLATION 1- 1 ENVIRONMENT 1- 2 MACHINE LEVEL 1- 2 MINIMUM SPACE REQUIREMENT 1- 3 POWER REQUIREMENT 1- 4 COPIER INSTALLATION 1-12 COLOR DEVELOPMENT UNIT INSTALLATION 1-15 KEY COUNTER HOLDER INSTALLATION 1-16 A3/11’’x17” COUNTER INSTALLATION 1-17 CASSETTE MODIFICATION 1-18...
  • Page 3 15 MARCH 1987 6. SORTER 1. UNPACKING AND INSTALLATION 6- 1 2. REPLACEMENT AND ADJUSTMENT 6- 5 7. LARGE CAPACITY TRAY 1. UNPACKING AND ADJUSTMENT 7- 1 2. REPLACEMENT AND ADJUSTMENT 7- 7 8. EDITOR BOARD 1. UNPACKING AND INSTALLATION 8- 1 9.

  • Page 4: Installation

    SECTION 1 INSTALLATION...

  • Page 5: Environment

    15 MARCH 1987 CONTENTS ENVIRONMENT 1- 1 MACHINE LEVEL 1- 2 MINIMUM SPACE REQUIREMENT 1- 2 POWER REQUIREMENT 1- 3 COPIER INSTALLATION ACCESSORY CHECK 1- 4 INSTALLATION PROCEDURE 1- 5 COLOR DEVELOPMENT UNIT INSTALLATION ACCESSORY CHECK 1-12 INSTALLATION PROCEDURE 1-13 KEY COUNTER HOLDER INSTALLATION 1-15 A3/11”X17”...

  • Page 6: Environment 1

    15 MARCH 1987 1. ENVIRONMENT 10°C to 30°C (50°F to 86°F) Temperature Range: 15% to 90% RH Humidity Range: Ambient Illumination: Less than 1,500 Iux (Do not expose to direct sunlight.) Ventilation: Room air should turn over at least 3 times/hour. Less than 0.15 mg/m (4 x 10¯³...

  • Page 7: Machine Level 1

    15 MARCH 1987 2. MACHINE LEVEL Front to back: Within 5 mm (0.2”) of level Right to left: Within 5 mm (0.2”) of level 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.

  • Page 8: Power Requirement 1

    15 MARCH 1987 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% 3.

  • Page 9: Accessory Check

    15 MARCH 1987 5. COPIER INSTALLATION - ACCESSORY CHECK - Check the quantity and condition of the accessories in the box according to the following list. Q’TY DESCRIPTION 1. Installation Procedure (115V - English only. 220V/240V - five languages) 2. New Equipment Condition Report 3.

  • Page 10: Installation Procedure

    15 MARCH 1987 - INSTALLATION PROCEDURE - Remove the shipping tapes [A] from the copier as shown. Open the copier right [B] and left front door [C], remove the shipping tape [D] and the wedge [E] between the registration rollers, and cut the cable tie [F] securing the toner collection bottle as shown.
  • Page 11 15 MARCH 1987 Remove the rear cover [A] (2 screws). Remove the left cover [B] (4 screws). Remove the scanner lock plate [C] (1 screw). NOTE: Save the scanner lock plate for future use. Reinstall the left cover and rear cover. Pull out the fusing unit [D] to the lock position and remove the fusing unit cover [E] (2 screws).
  • Page 12 15 MARCH 1987 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. Remove the seal [D] from the toner tank. Separate the toner tank [E] from the development unit [F] (2 screws). Pour one bottle of developer [G] into the development unit while turning the knob [H] counterclockwise to distribute the developer.
  • Page 13 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.
  • Page 14 15 MARCH 1987 Pull out the drum protective sleeve [A]. NOTE: Save the drum protective sleeve for future use when servicing the copier. Make sure that the wire cleaner is properly positioned, then reinstall the drum stay and the charge corona unit. Remove the paper over the T/S corona unit and return the T/S corona unit to its original position.
  • Page 15 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.
  • Page 16 15 MARCH 1987 Lower the platen cover. Plug in the machine and turn on the main switch. After the warm up period is completed, enter 99 copies and press the Start Key for drum conditioning. After the machine stops, turn off the main switch. Turn off DIP switch No.

  • Page 17: Accessory Check

    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.

  • Page 18: Copier Installation 1

    15 MARCH 1987 - INSTALLATION PROCEDURE - 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.
  • Page 19 15 MARCH 1987 5. Remount the toner tank on the development unit. When installing the color development unit, be sure the development CAUTION: unit rail is properly engaged with the unit guide rail on the copier. 6. Install a color development unit [A]. 7.

  • Page 20: Key Counter Holder Installation

    15 MARCH 1987 7. KEY COUNTER HOLDER INSTALLATION NOTE: Three types of counters are recommended for this copier (Ricoh, Hecon, and Hengstler key counters). Open the right front door. Pull out the cassette tray [A]. Remove the right inner cover [B] (3 screws).

  • Page 21: A3/11"X17" Counter Installation

    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.

  • Page 22: Cassette Modification

    15 MARCH 1987 9. CASSETTE MODIFICATION Remove the cassette cover [A]. Remove the side fences [B] (1 screw each) and the bottom plate [C]. Reposition the rear fence [D] in the desired paper size position (1 screw). NOTE: Paper size positions are shown on the inside of the cassette. Reinstall the bottom plate.

  • Page 23: Modifying Main Transformer Voltage

    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...

  • Page 24: Short Haul Transportation

    15 MARCH 1987 11. PREPARATION FOR TRANSPORTING THE COPIER - SHORT HAUL TRANSPORTATION - The copier may be seriously damaged if it is moved without proper pre- paration. Before moving the copier from its place of installation, be sure to prepare it for transportation as follows: 1.

  • Page 25: Long Haul Transportation By Vehicle

    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. Remove the developer from the development unit. Place a wedge [A] between the registration rollers. Remove the left cover [B] and install the scanner lock plate [C].

  • Page 26: Service Tables

    SECTION 2 SERVICE TABLES...

  • Page 27: Pm Table

    15 MARCH 1987 CONTENTS PM TABLE 2- 1 SERVICE TABLE 1. TEST POINTS 2- 3 2. VARIABLE RESISTERS 2- 4 3. DIP SWITCHES 2- 5 2- 8 4. SERVICE PROGRAM MODE (SP MODE OPERATION) 2- 9 5. SERVICE PROGRAM MODE TABLE 2-14 SERVICE REMARKS SPECIAL TOOLS AND LUBRICANTS...

  • Page 28: Optics

    15 MARCH 1987 PM TABLE C: Clean R: Replace L: Lubricate ITEM EM 60K 120K 180K 240K NOTES OPTICS 1. Mirrors, lens, re- Silicone cloth or water flectors, toner (cotton pad), blower brush shield glass, ADS sensor 2. Exposure glass Alcohol or water 2.
  • Page 29 15 MARCH 1987 C: Clean R: Replace L: Lubricate A: Add I: Inspect ITEM EM 60K 120K 180K 240K NOTES DEVELOPMENT UNIT 26. Developer If necessary 27. Upper brush seal 28. Side seals 29. Development unit guide 30. Toner supply clutch Mobil Temp 78 FUSING UNIT 31.

  • Page 30: Service Table

    15 MARCH 1987 SERVICE TABLES 1. Test Points MAIN BOARD - NUMBER FUNCTION TP201 TP202 +5V (Vc) +24V (VA) TP203 TP204 Factory Use +12V (Vs) TP205 CN212-1 ADS Voltage (Adjust using VR2 on the lamp regulator) CN209-1 Input voltage of image density sensor (Adjust using VR201 on the main board) - DF MAIN BOARD - FUNCTION...

  • Page 31: Variable Resisters

    15 MARCH 1987 2. Variable Resisters - MAIN BOARD - NUMBER FUNCTION VR201 Adjust the image density sensor voltage - LAMP REGULATOR - NUMBER FUNCTION Light adjustment ADS input adjustment Factory Use - DF MAIN BOARD - NUMBER FUNCTION VR101 Registration adjustment (0 ±...

  • Page 32: Dip Switches

    15 MARCH 1987 3. Dip Switches - Main Board - DIP 101 DIP SWITCH NORMAL FUNCTION 101-1 Lead edge registration adjustment 101-2 Lead edge registration adjustment 101-3 Lead edge registration adjustment 101-4 Lead edge registration adjustment 101-5 Lead edge blank margin adjustment 101-6 Lead edge blank margin adjustment 101-7...
  • Page 33 15 MARCH 1987 NOTE 1: Dip SW 201-1, 2, 3 201-2 201-3 Detect Mode Fixed Mode (201-1 OFF) (201-1 ON) 3.5% 7.0% 10.5% 14.0% NOTE 2: Dip SW 201-4, 5 201-4 201-5 Image Density ID sensor Bias Light (least toner) 470V Lighter (less toner) 440V...
  • Page 34 15 MARCH 1987 Operation Panel - DIP 1 FNUCTION DIP SWITCH NORMAL Drum conditioning Free run Jam detection disable Auto reset disable Beeper sound disable Copy counter count up/down (ON: down, OFF: up) Manual image density mode priority (ON: manual mode, OFF: ADS mode) SP Mode - DF Main Board - DIP 101...
  • Page 35 15 MARCH 1987 4. Service Program Mode (SP Mode) Operation The service program mode is used to check and change electrical data or adjustment values by the service engineer. - DATA CHANGE MODE - Remove the DIP SW cover and turn on DIP SW1-8 on the operation panel.

  • Page 36: Service Program Mode Table

    15 MARCH 1987 5. Service Program Mode Table Mode No. Function Data Factory Remarks Setting 5 Exposure Lamp Exposure lamp ON/OFF 0: ON 1: OFF 9 ADS ADS voltage adjust- For use with SP Mode “56”. ment Refer to the ADS adjustment procedure.
  • Page 37 15 MARCH 1987 Function Data Factory Remarks Mode No. Setting 0: Manual Sorter and DF must 28 Auto Sort Mode Selects Sort Mode be installed. automatically in ADF 1: Auto mode. Selects fusing unit 0: No idling Copier will idle 29 Fusing Unit Idle idling mode...
  • Page 38 15 MARCH 1987 Data Factory Remarks Mode No. Function Setting Selects the color 0: 14% 70 Color Toner Supply Amount toner supply ratio. 1: 7% 2: 21% 3: 28% 4: 35% 5: 42% 6: 49% 7: 56% Multiply number 73 Color Toner Shows the number 0: Red Copy Count...
  • Page 39 15 MARCH 1987 NOTE 1: SP Mode No.20 and 22. Feed Station Priority LCT Not Installed LCT Installed SP Mode 20 SP Mode 22 First Priority Second Priority Third Priority NOTE 2: SP Mode No.60. For the color toner supply recovery, the following procedure is required: 1.
  • Page 40 15 MARCH 1987 NOTE 4: SP Mode No.76 Limit Capacity Paper Size 10 sheets A3/DLT 30 sheets A4/LT 30 sheets A5/HLT NOTE 5: SP Mode No.93 To change the limit quantity, perform the following: 1. Turn the DIP SW 1-8. 2.
  • Page 41 15 MARCH 1987 SERVICE REMARKS - Handling the Drum - Never touch the drum surface with bare hands. Store the drum in a cool dry place. Always wear gloves when cleaning the drum. Prime the drum with setting powder only when installing new drum. Never expose the drum to light for a long time.
  • Page 42 15 MARCH 1987 - Charge Corona - Clean the corona wires with a dry cloth or by sliding the corona unit in and out. Do not use emery paper or any solvent for wire cleaning. Do not touch the corona wires with oily hands. Oil stains may cause white bands on copies.
  • Page 43 15 MARCH 1987 Do not touch the following parts with bare hands: • Reflectors • Exposure Lamp • Mirrors and Lens Do not bend the Auto ID fiber optics cable sharply. When adjusting the light intensity, make ten copies before proceeding to check copy image if the main switch has just been turned on.

  • Page 44: Cleaning

    15 MARCH 1987 - Transfer and S e p a r a t i o n - 1. The corona wires should be cleaned with a dry cloth. 2. While the drum stay is out and the drum is installed on the drum guide, do not lift up the corona unit.
  • Page 45 15 MARCH 1987 - Paper Feed - When replacing the friction pad, make sure that the friction pad is below the surface of the front lip of the pad holder. When reinstalling the support bracket after cleaning the registration sensor, make sure that the bracket is properly engaged with the groove of the registration clutch stopper.
  • Page 46 15 MARCH 1987 - Others - 1. When the main board is removed from the PCB plate, do not put it on a conductive surface. (This is to avoid discharging the battery for the user program memory.) 2. When installing a new main board, remove the RAM from the old main board.

  • Page 47: Special Tools And Lubricants

    15 MARCH 1987 SPECIAL TOOLS AND LUBRICANTS Q’ty Part Number Description Docotor Gap Gauge 52159500 52059601 Switching Board Gap Gauge - 0.1 mm 52059101 Omega Clamp 52059111 Sensor Checker 52069600 52039501 Grease (Shinetsu Silicone G-501) 54429101 Setting Powder 54429106 Drum Shoe Shoe Adapter 54479104 Digital Thermometer...

  • Page 48: Replacement And Adjustment

    SECTION 3 REPLACEMENT AND ADJUSTMENT...

  • Page 49: Development And Toner Supply

    15 MARCH 1987 CONTENTS 1. OPTICS EXPOSURE GLASS REMOVAL 3- 1 2ND MIRROR REMOVAL 3- 2 EXPOSURE LAMP REPLACEMENT 3- 4 AUTO ID FIBER CABLE REPLACEMENT 3- 5 SCANNER DRIVE WIRE REPLACEMENT 3- 6 LENS DRIVE MOTOR REPLACEMENT 3- 9 2ND SCANNER DRIVE MOTOR REPLACEMENT 3-10 SCANNER DRIVE MOTOR REPLACEMENT...

  • Page 50: Fusing

    15 MARCH 1987 3-43 PAPER SIZE SENSOR REPLACEMENT (CASSETTE TRAY) 3-44 PAPER SIZE SENSOR HARNESS REMOVAL (CASSETTE TRAY) 3-45 FEED ROLLER REPLACEMENT (CASSETTE TRAY) 3-46 FRICTION PAD REPLACEMENT (CASSETTE TRAY) 3-47 LIFT UNIT REMOVAL 3-48 LIFT MOTOR REPLACEMENT 3-49 REGISTRATION CLUTCH ADJUSTMENT 3-50 FEED ROLLER/FRICTION PAD GAP ADJUSTMENT (1ST AND 2ND FEED STATION)

  • Page 51: Copy Image

    15 MARCH 1987 10. COPY IMAGE LIGHT INTENSITY ADJUSTMENT 3-80 AUTO ID SENSOR ADJUSTMENT 3-82 HORIZONTAL MAGNIFICATION ADJUSTMENT 3-86 VERTICAL MAGNIFICATION ADJUSTMENT 3-87 LEAD EDGE BLANK MARGIN ADJUSTMENT 3-88...
  • Page 52 15 MARCH 1987 1. OPTICS - EXPOSURE GLASS REMOVAL - Take off the left scale [A] (2 short screws). Grasp the left edge of the exposure glass [B] and lift it up slightly. Slide the other edge out from under the right glass holder [C]. Remove the exposure glass.
  • Page 53 15 MARCH 1987 - 2ND MIRROR REMOVAL - NOTE: This procedure is usually performed in order to make cleaning the 3rd mirror easier. 1. Turn off the main switch. 2. Remove the exposure glass. (See Exposure Glass Removal.) 3. Move the 1st scanner 2/3 to the right by pushing it at the rear. 4.
  • Page 54 15 MARCH 1987 - To Reinstall - 8. Place the rear spring plate [A] in place and hold it with your finger. 9. Insert the 2nd mirror [B] into the front side plate cut out. 10. Insert the rear side of the mirror into the rear spring plate. 11.
  • Page 55 15 MARCH 1987 - EXPOSURE LAMP REPLACEMENT - CAUTION: Do not touch the reflector [A] or the new exposure lamp with your bare hands. Use a strip of paper as shown. (Finger oil marks on the lamp or reflectors will be affected by the heat and will result in discoloration.) Turn off the main switch.
  • Page 56 15 MARCH 1987 - AUTO ID FIBER CABLE REPLACEMENT - Turn off the main switch. Remove the platen cover. Remove the exposure glass (See Exposure Glass Removal.) and the upper cover (11 screws). Position the first scanner [A] in the cut out for scanner removal. Move the reflector cover [B] in the direction of the arrow (2 screws).
  • Page 57 15 MARCH 1987 - SCANNER DRIVE WIRE REPLACEMENT - 1. Turn off the main switch. 2. Remove the platen cover and the upper cover (11 screws). 3. Remove the left scale (2 short screws) and the exposure glass. 4. Remove the rear cover and lower the PCB plate [A] (2 screws each). 5.
  • Page 58 15 MARCH 1987 Position the bead [A] of the new wire [B] on the groove of the 2nd scanner drive pulley [C] and wrap the wire around the pulley with two and a half turns as shown. Hook the short end [D] of the wire to the stopper [E] as shown.
  • Page 59 15 MARCH 1987 the scanner drive wire over the pulleys in the following order: Long end should be in the outer track (WP1). Lower side (wire clamp [A]) Lower track (WP2) Three and a half turns from lower to upper (Scanner Drive Pulley [B]).
  • Page 60 15 MARCH 1987 - LENS DRIVE MOTOR REPLACEMENT - Turn off the main switch and remove the following parts: 1) Development unit 2) Charge corona unit (1 screw) 3) Toner collection bottle 4) Drum stay (1 screw and knob) 5) Cleaning unit 6) Drum flange and drum - should be covered with a shielding sleeve.
  • Page 61 15 MARCH 1987 - 2ND SCANNER DRIVE MOTOR REPLACEMENT - Perform Steps 1 through 6 of “Lens Drive Motor Replacement.” Tape the 2nd scanner drive pulley [A] and the scanner drive wire as shown to avoid the scanner wire coming off. Remove the E-ring [B] from the 2nd scanner drive shaft and move the pulley slightly in the direction of the arrow.
  • Page 62 15 MARCH 1987 - SCANNER DRIVE MOTOR REPLACEMENT - Turn off the main switch. Remove the platen cover and the mounting studs. Remove the left scale (2 short screws), the exposure glass, and the upper cover (9 screws). Remove the rear cover 2 (screws). Tape the scanner drive pulley [A] and pulleys WP2 and WP3 as shown to avoid the scanner wire coming off.
  • Page 63 15 MARCH 1987 - LENS HOME POSITION SENSOR REPLACEMENT - Turn off the main switch. Remove the left scale and the exposure glass. (See “Exposure Glass Removal”.) Remove the lens cover (2 screws) and move the lens unit [A] in the direction of the arrow.
  • Page 64 15 MARCH 1987 - 2ND SCANNER HOME POSITION SENSOR REPLACEMENT - 1. Turn off the main switch. 2. Remove the rear cover (2 screws). 3. Remove the sensor bracket [A] (1 screw). 4. Replace the 2nd scanner home position sensor [B] (1 screw and 1 connector).
  • Page 65 15 MARCH 1987 - EXPOSURE LAMP POSITION ADJUSTMENT - Turn off the main switch. Remove the exposure glass. (See Exposure Glass Removal.) Move the first scanner to the position where the rear frame is cut out. Remove the front and rear terminal covers [A] (1 screw each). - Horizontal Adjustment - 5.
  • Page 66 15 MARCH 1987 - Vertical Adjustment - Position a mirror [A] beside the rear sight hole [B] at at 45° angle as shown. NOTE: If you do not have a mirror, remove and use the 2nd mirror. View the lamp filament [C] through the sight hole reflected on the mirror.
  • Page 67 15 MARCH 1987 2. DEVELOPMENT AND TONER SUPPLY - DEVELOPER REPLACEMENT - CAUTION: - Be careful not to bend the bias terminal. - Be careful not to damage the upper brush seal. - After removing used developer, clean the drive gears and end magnets. Take out the development unit and remove the toner tank (2 screws).
  • Page 68 15 MARCH 1987 - IMAGE DENSITY SENSOR/PTL REMOVAL - Open the right and left front doors. Remove the development unit [A]. Slide out the image density sensor/PTL [B]. Clean and reinstall the ID sensor/PTL. NOTE: - When sliding in the ID sensor/PTL board, make sure that the board is properly located on the rails as shown.
  • Page 69 15 MARCH 1987 - COLOR TONER END SENSOR REPLACEMENT - 1. Turn off the main switch and remove the following parts: Development unit Charge corona unit (1 screw) Drum stay (1 screw and 1 knob) Cleaning unit Drum flange and drum - should be covered with a shielding sleeve Toner shield glass 2.
  • Page 70 15 MARCH 1987 - COLOR TONER SENSOR REPLACEMENT - Remove the rear cover (2 screws). Remove the color toner sensor bracket [A] (1 screw). Replace the color toner sensors [B] (1 screw and 1 connector each). Reassemble. NOTE: Do not over tighten the screw when securing the new sensor. 3-19...
  • Page 71 15 MARCH 1987 - TONER SUPPLY CLUTCH LUBRICATION - Turn off the main switch. Remove the rear cover (2 screws). Remove the screw securing the dc harness guide [A] to the toner supply clutch support bracket [B]. Remove the Toner Supply clutch support bracket. Remove the clutch hub [C] (1 Allen screw), the spring [D], and the sleeve [E].
  • Page 72 15 MARCH 1987 - IMAGE DENSITY SENSOR CHECK AND ADJUSTMENT - NOTE: sensor adjustment is required in the following cases: When the ID sensor/PTL board is replaced. When the main board is replaced. When the drum has been replaced and Vsg is out of standard. When a problem with toner supply occurs and checking the ID sensor shows that Vsg is not within specifications.
  • Page 73 15 MARCH 1987 4. Turn on the main switch and allow it to warm up. 5. Enter “55” using the Number keys, then press the Enter key. 6. Enter “99” in the copy counter. 7. Press the Start key to show Vsg in the magnification indicator. 8.
  • Page 74 15 MARCH 1987 Method B: With a Digital Multimeter A. (DIP SW NO. 1-1 ON and NO. 1-8 Follow steps 1 through 3 of method OFF) Confirm that the main switch is off and turn on DIP SW 201-8 on the main board.
  • Page 75 15 MARCH 1987 - DOCTOR GAP ADJUSTMENT - ADJUSTMENT STANDARD: 0.76 ± 0.1 mm (0.03” ± 0.004”) NOTE: This adjustment is done only when the doctor blade has been either removed or replaced. Remove the upper brush seal cover [A] (2 screws). Turn the development roller sleeve [B] in the opposite direction of normal operation to drop the developer into the development tank.
  • Page 76 15 MARCH 1987 3. CLEANING - CLEANING UNIT REMOVAL - Remove the development unit and the PTL board. Lower the T/S corona unit [A]. Remove the charge corona unit [B] (1 screw) and the drum stay [C] (1 knob [D] and 1 screw). NOTE: The drum stay knob has a reverse thread.
  • Page 77 15 MARCH 1987 - CLEANING BLADE REPLACEMENT - Take out the cleaning unit [A]. (See “Cleaning Unit Removal.”) Remove the cleaning blade [B] (1 screw and 1 bushing). Install the new cleaning blade. CAUTION: - Be careful not to touch the edge of the new blade.
  • Page 78 15 MARCH 1987 - CLEANING BRUSH REPLACEMENT - Remove the cleaning unit drive gear [A] (1 Allen screw), the collar [B], and the bushing [C] from the rear end of the cleaning brush shaft. Remove the bushing [D] from the front end (1 E-ring). Take out the cleaning brush [E] with the brush shaft holder [F] (1 screw).
  • Page 79 15 MARCH 1987 - BLADE SCRAPER REPLACEMENT - Remove the cleaning blade. (See Cleaning Blade Replacement.) Remove the cleaning brush. (See Cleaning Blade Replacement.) Take out the blade scraper [A] (2 screws). Clean the inside of the cleaning unit, and install a new blade scraper. 3-28...
  • Page 80 15 MARCH 1987 - TONER COLLECTION COIL REPLACEMENT - 1. Remove the E-ring [A] from the toner collection coil shaft. 2. Remove the bottle joint seal [B]. 3. Slide out the toner collection coil [C] from the front side of the cleaning unit.
  • Page 81 15 MARCH 1987 - PICK-OFF PAWL REPLACEMENT - 1. Remove the release spring [A] and the pressure lever [B] (1 screw). 2. Remove the collection coil gear [C] from the the toner collection coil shaft (1 E-ring). 3. Remove the pawl shaft pin [D] from the pawl shaft [E]. 4.
  • Page 82 15 MARCH 1987 Set new pick-off pawls [A] on the shaft [B] and position them with the positioning pins [C] and pawl springs [D]. Assemble the pawl shaft assembly and set it on the cleaning unit sliding in the rear end of the shaft to the rear side plate. When installing the cam holder [E] and the cam rider [F], align X with Y NOTE: - as shown in the figure.
  • Page 83 15 MARCH 1987 - CLEANING PRESSURE ADJUSTMENT - ADJUSTMENT STANDARD: A = 13 ± 0.5 mm (0.51” ± 0.02”) Turn off the main switch. Remove the rear cover (2 screws). Disconnect the fiber cables from the interface board if the DF is installed.
  • Page 84 15 MARCH 1987 4. QUENCHING - QUENCHING LAMP REPLACEMENT - 1. Remove the charge corona unit [A] (1 screw). 2. Remove the quenching lamp [B] from the charge corona unit (2 screws). 3-33...
  • Page 85 15 MARCH 1987 5. PAPER FEED - MANUAL FEED TABLE REMOVAL - Remove the upper manual feed table hinges [A] from the copier (1 snap ring [B] each side). CAUTION: Be careful not to damage the manual feed sensor [C]. Slide the lower manual feed table hinge pins [D] down their respec- tive grooves to remove the table.
  • Page 86 15 MARCH 1987 - FEED ROLLERS AND FRICTION PAD REPLACEMENT - Remove the manual feed table (See manual feed table removal). Remove the upper front guide plate [A] (2 screws). NOTE: - The step 1 and 2 are for 1st feed station only. Remove the feed roller [B] and hub [C] (1 snap ring [D]).
  • Page 87 15 MARCH 1987 - REGISTRATION SENSOR REPLACEMENT - Remove the rear cover (2 screws) and lower the PCB plate (2 screws). Remove the support bracket [A] (1 screw). Move the main drive chain to the right of the PCB cut-out and slide out the registration sensor [B] (1 connector).
  • Page 88 15 MARCH 1987 - MANUAL FEED SENSOR REPLACEMENT - Remove the manual feed table [A]. (See Manual Feed Table Removal.) Remove the rear cover (2 screws). Remove the right rear cover (2 screws). Remove the sensor cover [B] (1 screw). Remove the manual feed sensor [C] (1 screw, 1 connector).
  • Page 89 15 MARCH 1987 - PAPER END SENSOR REPLACEMENT - 1. Remove the rear cover (2 screws). 2. Remove the paper end sensors [A] (1 connector each). CAUTION: Be careful not to damage the paper end sensor actuator. 3-38...
  • Page 90 15 MARCH 1987 - PAPER SIZE SENSOR REPLACEMENT - 1. Remove the paper size sensor [A] from the sensor bracket [B] (1 screw and 1 connector). Position the projection of the sensor in the hole 2. Install a new sensor. of the sensor bracket.
  • Page 91 15 MARCH 1987 - CASSETTE TRAY REMOVAL - Open the left and right front doors and pull out the cassette tray [A]. Remove the left inner cover [B] (2 screws). Pull the fusing unit [C] about one third of the way out. Remove the left guide roller bracket [D] (2 screws).
  • Page 92 15 MARCH 1987 - PAPER END SENSOR REPLACEMENT (CASSETTE TRAY) - 1. Remove the rear cover (2 screws). 2. Remove the PCB plate supporter (1 screw). 3. Remove the 3rd paper feed clutch [A] (1 E-ring). 4. Remove the paper end sensor actuator [B]. 5.
  • Page 93 15 MARCH 1987 - CASSETTE TRAY SENSOR REPLACEMENT (CASSETTE TRAY) - Remove the rear cover (2 screws). Remove the cassette tray sensor bracket [A] as well as the sensor [B] (1 screw, 1 connector). Replace the sensor (1 screw). NOTE: Do not overtighten the screw when securing the new sensor. 3-42...
  • Page 94 15 MARCH 1987 - PAPER SIZE SENSOR REPLACEMENT (CASSETTE TRAY) - Pull out the cassette tray [A]. After marking the position of the paper size sensor bracket [B] remove it as well as the sensor [C] (1 screw) on the frame [D]. Disconnect the paper size sensor connector [E].
  • Page 95 15 MARCH 1987 - PAPER SIZE SENSOR HARNESS REMOVAL (CASSETTE TRAY) - Pull out the cassette tray. Remove the paper size sensor bracket and disconnect the paper size sensor connector. (See “Paper Size Sensor Replacement.”) Remove the paper guide plate [A] (6 screws). Remove the terminal bracket [B] (1 screw).
  • Page 96 15 MARCH 1987 - FEED ROLLER REPLACEMENT (CASSETTE TRAY) - Open the left and right doors and pull out the cassette tray. Remove the registration roller knob [A] and the small inner cover [B] (1 screw each). Remove the balance wheel bracket [C] (1 screw). While pressing down the paper end sensor feeler [D], remove the hub [E] and the feed roller [F].
  • Page 97 15 MARCH 1987 - FRICTION PAD REPLACEMENT (CASSETTE TRAY) - Pull out the cassette tray. Unhook the pressure spring [A]. Remove the friction pad holder [B] (1 screw, 1 collar washer). Strip off the old friction pad [C] and clean the surface of the friction pad holder.
  • Page 98 15 MARCH 1987 - LIFT UNIT REMOVAL - Pull out the cassette tray and remove the rear cover (2 screws). Disconnect lift sensor, set sensor, and the lift motor connectors. Remove the lift unit [A] (2 screws). NOTE: - When reinstalling the lift motor unit, first install the tray lift actuator lever [B] and the collar [C] on the rear guide plate if they were removed.
  • Page 99 15 MARCH 1987 - LIFT MOTOR REPLACEMENT - 1. Remove the lift unit (See “Lift Unit Removal”.) 2. Remove the lift motor [A] (2 screws). - LIFT SENSOR REPLACEMENT - Remove the lift unit (See “Lift Unit Removal”.) While pushing the release gear [B] in the direction of the arrow, remove the lift sensor [C] (1 screw).
  • Page 100 15 MARCH 1987 - REGISTRATION CLUTCH ADJUSTMENT - ADJUSTMENT STANDARD: 0.1 mm (0.004”) Remove the rear cover (2 screws). Take the adjusting collar [A] off from the registration roller shaft (1 Allen screw). Loosen the screw in the lock collar [B] on the clutch which is to be adjusted (1 Allen screw).
  • Page 101 15 MARCH 1987 - FEED ROLLER/FRICTION PAD GAP ADJUSTMENT - (1ST AND 2ND FEED STATION) NOTE: This procedure is required when replacing the friction pad. ADJUSTMENT STANDARD: 1.6 ± 0.3 mm (0.06” ± 0.01”) Remove the pressure arm [A] (2 screws). Push down the friction pad holder [B] to make the gap between the feed roller and the pad.
  • Page 102 15 MARCH 1987 - FEED ROLLER/FRICTION PAD GAP ADJUSTMENT (CASSETTE TRAY) - 7.3 ± 0.3 mm (0.29” ± 0.01”) ADJUSTMENT STANDARD: 1. Remove the 1st and 2nd cassettes or large capacity tray if it is installed. 2. Confirm that the cassette tray (3rd cassette) is securely inserted into the machine.
  • Page 103 15 MARCH 1987 - FRICTION PAD HOLDER POSITION ADJUSTMENT (CASSETTE TRAY) - 1.7 ± 0.2 mm (0.07” ± 0.008”) ADJUSTMENT STANDARD: NOTE: After reinstalling the friction pad bracket [A], this adjustment is necessary to prevent wrinkling at the leading edge of the paper. Remove the pressure spring [B].
  • Page 104 15 MARCH 1987 - HORIZONTAL REGISTRATION ADJUSTMENT (CASSETTE TRAY) - 0 ± 2 mm (0 ± 0.08”) ADJUSTMENT STANDARD: Pull out the cassette tray [A]. Remove the cassette. Loosen the 5 screws securing the bottom plate [B] to the cassette tray and reposition the bottom plate.
  • Page 105 15 MARCH 1987 6. FUSING - FUSING UNIT REMOVAL - 1. Open the left and right front doors. 2. Push the fusing unit release lever [A] to the right. 3. Pull out the fusing unit [B] until it is fully extended. 4.
  • Page 106 15 MARCH 1987 - OIL BLADE REPLACEMENT - Remove the fusing unit. (See Fusing Unit Removal.) Remove the fusing unit cover [A] (2 screws). Remove the pressure plate [B] (2 screws). Remove the oil supply pad [C] (2 screws and 2 clamp plates [D]). Unhook the two tension springs [E].
  • Page 107 15 MARCH 1987 - HOT ROLLER REPLACEMENT - Remove the oil blade. (See “Oil Blade Replacement.”) Remove any excess oil from area surrounding the oil sump [A] and remove the oil sump. Remove the fusing unit knob [B] (1 screw). Remove the oil pump mechanism [C] with the oil tank [D] (2 screws and 1 connector).
  • Page 108 15 MARCH 1987 10. Remove the hot roller gear [A], bearings [B], and the collars [C] from both ends of the hot roller [D] (1 C-ring each). 11. Slide the hot roller slightly to the rear and remove the hot roller as shown.
  • Page 109 15 MARCH 1987 - PRESSURE ROLLER REPLACEMENT - Remove the fusing unit and cover (2 screws). Remove the fusing unit knob [A] (1 screw). Remove any excess oil from the oil sump [B]. Remove the oil pump mechanism [C] with the oil tank [D] (2 screws and 1 connector).
  • Page 110 15 MARCH 1987 - HOT ROLLER STRIPPER REPLACEMENT - 1. Pull out the fusing unit and open the fusing exit assembly [A]. 2. Unhook the springs [B] and remove the hot roller strippers [C]. 3. Install new strippers and connect the springs. NOTE: It is best to replace strippers and springs as a set.
  • Page 111 15 MARCH 1987 - THERMISTOR REPLACEMENT - Remove the fusing unit cover [A] (2 screws). Remove the pressure plate [B] (2 screws). Remove the oil supply pad [C] (2 screws and 2 clamp plates [D]). Remove any excess oil from the oil sump and remove the oil sump [E] .
  • Page 112 15 MARCH 1987 - THERMOFUSE REPLACEMENT - Perform steps 1 to 3 of Thermistor Replacement. Remove the thermofuse bracket [A] (1 screw). Remove the oil pump mechanism [B] with the oil tank [C] (2 screws and 1 connector). Remove the thermofuse wire from the front lamp terminal [D] (1 screw).
  • Page 113 15 MARCH 1987 - FUSING PRESSURE ADJUSTMENT - 1. Remove the fusing unit. 2. Remove the fusing unit cover (2 screws). 3. Remove the fusing unit knob (1 screw). 4. Remove the oil pump mechanism along with the oil tank (2 screws, 1 connector).
  • Page 114 15 MARCH 1987 - ENTRANCE GUIDE HIGHT ADJUSTMENT - CAUTION: The entrance guide is very hot. Be carefull when touching it. 1. Pull out the fusing unit. 2. Remove the 2 screws [A] and reinsert them into the adjusting holes [B] .
  • Page 115 15 MARCH 1987 7. TRANSPORT - TRANSPORT UNIT AND TRANSPORT BELT REMOVAL - Swing the toner collection bottle cover [A] to the left (1 screw). Disconnect the toner overflow sensor connector [B]. Remove the toner collection bottle [C]. Remove the development unit [D], PTL board [E], and the charge corona unit [F] (1 screw).
  • Page 116 15 MARCH 1987 8. Remove the rear cover and lower the PCB plate (2 screws each). 9. Remove the transport and separation power pack (1 screw). 10. Disconnect the vacuum fan connector [A] (2p White) just under the main motor. 11.
  • Page 117 15 MARCH 1987 - VACUUM FAN MOTOR REPLACEMENT - 1. Remove the transport belt. (See “Transport Unit and Transport Belt Removal.”) 2. Remove the transport plate [A] from the vacuum fan unit [B] (3 screws and 1 connector). 3. Remove the fan motor [C] (2 screws). 3-66...
  • Page 118 15 MARCH 1987 8. CORONA - CORONA WIRE REPLACEMENT - CAUTION: - Do not handle new corona wires with your bare hands. Oil on the wire will cause uneven charge on the drum. Do not rub the corona wires with rough material (sandpaper, etc.) because the corona wires are carbon-coated.
  • Page 119 15 MARCH 1987 4. Unhook the corona wire [A] from the front anchor post [B] by pulling in the direction of the arrow using a small screw driver. 5. Remove the old corona wire as directed by the arrows. 6. Clean the endblocks, the covers, and the corona unit casing with a blower brush and dry cloth.
  • Page 120 15 MARCH 1987 T/S CORONA WIRES CAUTION: The eccentric cams are used in the production line only to adjust the gap between the guide mylar [B] and the selenium drum. Lower the transport and separation unit then remove it. Slide the corona paper guide [C] to the rear, by pushing up the guide stopper [D] from underneath.
  • Page 121 15 MARCH 1987 Hook the tension spring onto the other end of the corona wire. Then hook the tension spring onto the front endblock anchor post. Insert the wire junction [A] of the new separation corona wire through the hole in the rear endblock and hook the terminal spring onto the nearby wire junction.
  • Page 122 15 MARCH 1987 - DRUM CURRENT ADJUSTMENT - NOTE: The drum currents vary with environmental conditions such as humidity and atmospheric pressure. Generally it is not necessary to adjust the drum currents because they have already been adjusted for a range of environments in the factory.
  • Page 123 15 MARCH 1987 2. Clean or replace each corona wire. Also clean the corona units and the cleaning unit. 3. Actuate the front safety switch. 4. Remove the rear cover (2 screws). 5. Plug the switching board into connector CN210 of the main board as shown.
  • Page 124 15 MARCH 1987 CHARGE CORONA OPTIMUM ADJUSTING VALUE: DC +42.4 ± 0.2 µA Slide the drum shoe [A] to its rear limit as shown (X) Position the drum shoe so that the axis of the current sensing plate is aligned with the charge corona wire as shown. Reinstall the drum stay (1 screw and 1 knob) and the charge corona unit.
  • Page 125 15 MARCH 1987 Adjust the front corona wire height adjusting screw if the two readings differ. The difference between front and rear should not be more than 0.2 µA. NOTE: - Turn the adjusting screw clockwise to increase the reading. - Turn it counterclockwise to decrease the reading.
  • Page 126 15 MARCH 1987 Ill. TRANSFER CORONA OPTIMUM ADJUSTING VALUE: DC +18.6 ± 0.4 µA Reinstall the T/S corona unit and position the drum shoe [A] at the center of the shaft so that the axis of the current sensing plate is aligned with the transfer corona wire as shown.
  • Page 127 IV. SEPARATION CORONA OPTIMUM ADJUSTING VALUE: AC 39.2 ± 1.5 µA DC -2.7 ± 0.3 µA Position the drum shoe [A] at the center of the shaft so that the axis of the current sensing plate is aligned between the separation corona wires as shown.
  • Page 128 15 MARCH 1987 9. OTHERS - ORERATION PANEL REMOVAL - 1. Remove the DIP switch cover [A] under the instruction cards (1 screw). 2. Open the right and left front doors. 3. Pull out the cassette tray [B] and remove the right inner cover [C] (3 screws).
  • Page 129 15 MARCH 1987 - POWER SUPPLY UNIT REMOVAL - 1. Remove the rear cover (2 screws). 2. Remove the main board bracket [A] (1 screw). 3. Remove the power supply unit [B] (1 screw and 4 connectors). NOTE: When reinstalling the power supply cover, be sure the wire harnesses are properly placed within their holders.
  • Page 130 15 MARCH 1987 - DRUM HEATER REMOVAL - Turn off the main switch. Open the left and right front doors and remove the following parts: - Development unit - Charge corona unit (1 screw) - Drum stay (1 screw) - Toner collection bottle - Cleaning unit - Drum flange - Drum - should be covered with a shielding sleeve...
  • Page 131 15 MARCH 1987 10. COPY IMAGE - LIGHT INTENSITY ADJUSTMENT - NOTE: - This adjustment should be done when the rest time compensation of the bias voltage is 0V. if the main power switch has just been turned on. - Auto ID sensor adjustment must be done after light intensity adjustment. ADJUSTMENT STANDARD: Level 2 of the gray scale on the OS-A3 chart should be just visible on the copy when the 4th level of the density control is selected.
  • Page 132 15 MARCH 1987 Open the manual feed table [A]. Remove the magnetic catch bracket [B] (1 screw). A d j u s t V R 1 o n t h e l a m p r e g u l a t o r b o a r d t o a c h i e v e p r o p e r l y illuminated copies.
  • Page 133 15 MARCH 1987 - AUTO ID SENSOR ADJUSTMENT - ADJUSTMENT STANDARD: +3 dc ± 0.06 volts - Method A: Using the CPU - 1. Perform the light intensity adjustment before performing the Auto ID Sensor Adjustment. 2. Remove the DIP switch cover (1 screws). 3.
  • Page 134 15 MARCH 1987 7. Place 5 sheets of A3 (11” x 17”) paper on the exposure glass. 8. Enter “56” using the numeral keys, then press the enter key. 9. Enter “9” using the numeral keys, then press the enter key. 10.
  • Page 135 15 MARCH 1987 - Method B: Using a Digital Multimeter - Perform steps 1 and 2 of method A. Confirm that the main switch is off and turn on DIP SW No. 1-1 on the operation panel. Open the manual feed table and remove the magnetic catch bracket (1 screws).
  • Page 136 15 MARCH 1987 7. Place 5 sheets of paper (A3 or 11” x 17”) on the exposure glass. 8. Turn on the main switch and select the Auto ID mode, then enter “99” using the numeral keys. Press the Start key after the copier warms up. 9.
  • Page 137 15 MARCH 1987 - HORIZONTAL MAGNIFICATION ADJUSTMENT - ADJUSTMENT STANDARD: ± 0.5% (Full Size) Remove the rear cover (2 screws). Remove the two mounting studs and eight screws securing the upper cover. Lift the back edge of the upper cover and loosen the wire clamp [A] (1 screw).
  • Page 138 15 MARCH 1987 - VERTICAL MAGNIFICATION ADJUSTMENT - - Vertical Magnification - DPS102 (On the Main Board) SW.NO. 0:OFF 1:ON Narrower Wider ± 1% ADJUSTMENT STANDARD: Adjust the vertical component of magnification (scanner forward velocity) using DIP switches 102-2, -3 and -4 on the main board as per the table. - LEAD EDGE REGISTRATION ADJUSTMENT - 0 ±...
  • Page 139 15 MARCH 1987 - LEAD EDGE BLANK MARGIN ADJUSTMENT - - Lead Edge Margin - DPS101 (On the Main Board) SW.NO. 0:OFF 1:ON Narrower Wider NOTE: This adjustment should be done after Lead Edge Registration Adjustment. 3.5 ± 2.5 mm (0.14” ± 0.1”) ADJUSTMENT STANDARD: Adjust the lead edge blank margin using DIP switches 101-5, -6, -7, and - 8 on the main board as per the table.

  • Page 140: Electrical Data

    SECTION 4 ELECTRICAL DATA...
  • Page 141 15 MARCH 1987 CONTENTS 1. MAIN BOARD SCHEMATIC (MAIN CONTROL) 2. MAIN BOARD SCHEMATIC (OPTIC CONTROL) 3. OPERATION PANEL BOARD SCHEMATIC 4. PAPER FEED CONTROL BOARD SCHEMATIC 5. DC POWER SUPPLY BOARD SCHEMATIC 6. LAMP REGULATOR SCHEMATIC 7. FUSING LAMP DRIVE BOARD SCHEMATIC 8.
  • Page 142 15 March 87 4 . P A P E R F E E D C O N T R O L B O A R D S C H E M A T I C A 0 0 9...
  • Page 143 5 . D C P O W E R S U P P L Y B O A R D S C H E M A T I C...
  • Page 144 15 March 87 9 . S O R T E R C O N T R O L B O A R D S C H E M A T I C A 0 0 9...
  • Page 145 1 0 . L C T C O N T R O L B O A R D S C H E M A T I C ( M a i n C o n t r o l )

  • Page 146: Document Feeder

    SECTION 5 DOCUMENT FEEDER...

  • Page 147: Unpacking And Installation 6

    15 MARCH 1987 CONTENTS 1. UNPACKING AND INSTALLATION 5- 1 ACCESSORY CHECK 5- 2 INSTALLATION PROCEDURE 2. REPLACEMENT AND ADJUSTMENT 5- 9 DF BELT REPLACEMENT 5-10 PICK-UP ROLLER REPLACEMENT 5-12 FEED ROLLER REPLACEMENT 5-16 FRICTION ROLLER REPLACEMENT 5-19 REGISTRATION ROLLER REPLACEMENT 5-21 STOPPER PLATE POSITION ADJUSTMENT 5-22...

  • Page 148: Unpacking And Installation

    15 MARCH 1987 1. UNPACKING AND INSTALLATION - ACCESSORY CHECK - Check the quantity and condition of the accessories in the box according to the following list: Q’TY DESCRIPTION Installation procedure (115V - English only. 220V/240V - five languages) New Equipment Condition Report NECR Envelope (115V only) Original exit guide Flip scale...
  • Page 149 15 MARCH 1987 - INSTALLATION PROCEDURE - Turn off the main switch and unplug the power supply cord of the copier. Remove the following parts: 1) Platen cover [A] 2) Mounting stud (2 pcs) [B] 3) Truss screw [C] 4) Plastic screw [D] 5) Left scale (2 screws) [E] 6) Rear cover (3 screws) [F] 7) ADF docking hole cap (2 pcs) [G]...
  • Page 150 15 MARCH 1987 Lower the PCB plate [A] (2 screws). Insert the mounting posts [B] into the DF mounting brackets [C]. DF mounting brackets Temporarily secure the mounting posts to the (4 screws, M5 X 12). Remove the DF cover [D] (4 screws). stopper solenoid [F] Remove the shipping cushion [E] between the and the DF side plate [G].
  • Page 151 15 MARCH 1987 11. Install the original feed table [A] on the right side of the belt unit [B] (2 screws with washer). Be sure to engage the 2 hooks [C] of the original table with the docking holes [D] of the belt unit. 12.
  • Page 152 15 MARCH 1987 e) Adjust the height of rear side of the belt unit as follows: 1) Lift the upper part of the feed belt out of the way and measure the distance between the top of the access hole [A] in the pressure roller support bracket and the lower part of the feed belt at the front and rear left corners.
  • Page 153 15 MARCH 1987 CAUTION: On the following step, avoid bending the fiber optics sharply; this will damage the fiber optics. Pass the DF interface harness [A] through the harness hole [B] of the DF and the docking hole of the copier [C]. Connect the DF interface harness to the DF PCB [D] (3 connectors).
  • Page 154 15 MARCH 1987 18. Raise and secure the copier PCB plate (2 screws). 19. Fix the two PCB mounting studs [A] on the PCB plate and install the interface board [B]. (This is not necessary if a sorter is already installed in the machine.) 20.
  • Page 155 15 MARCH 1987 Turn on DIP switch 101-2 [A] on the DF PCB. Adjust the lead edge registration as follows: Turn on the copier main switch and make a copy using the test chart in the platen mode with the flip scale. Keep this copy for reference and mark “PM”...

  • Page 156: Replacement And Adjustment

    15 MARCH 1987 2. REPLACEMENT AND ADJUSTMENT - DF BELT REPLACEMENT - Remove the DF cover (4 screws, 2 collars). Remove the 2 screws securing the left side of the front stay [A] and remove the 3 belt unit holders [B]. Raise the left end of the front stay and set it in the up position with the lock plate [C].
  • Page 157 15 MARCH 1987 - PICK-UP ROLLER REPLAEMENT - Remove the DF cover (4 screws, 2 collars). Lift up the pick-up roller unit [A] and remove the snap ring [B]. Slide off the rear pick-up roller [C]. NOTE: Be careful not to lose the pin. Remove the E-ring [D] and bushing [E].
  • Page 158 15 MARCH 1987 6. Slide off the pulley [A] and the pick-up roller [B]. NOTE: Be sure not to lose the drive pins [C] of the pulley and pick-up roller. 7. Replace the pick-up rollers and reassemble. 5-11...
  • Page 159 15 MARCH 1987 - FEED ROLLER REPLACEMENT - 1. Remove the DF cover (4 screws, 2 collars). 2. Remove the pick-up control shaft [A] (1 snap ring [B], 1 pin [C]). 3. Remove the feed-in motor [D] (2 screws). 4. Unhook the spring [E] of the wear prevention Iever [F]. 5-12...
  • Page 160 15 MARCH 1987 Remove the two snap rings [A] fixing the feed-in guides [B]. Remove the feed roller drive gear [C] (1 E-ring [D], 1 bearing [E]). Remove the collar [F] (1 allen screw [G]) and the bearing on the front feed roller shaft [H].
  • Page 161 15 MARCH 1987 Slide off the feed-in guides [A] and remove two E-rings [B]. Remove the bushing [C] and slide the pulley towards the front to remove the pulley pin [D]. Slide the pick-up roller unit [E] to the front and remove the E-ring. Slide the feed roller [F] to the front and remove the pin.
  • Page 162 15 MARCH 1987 16. When reassembling the feed roller unit, make sure of the following points: Confirm that the wear prevention lever [A] is to the right of the drive gear [B] as viewed from the rear. Tighten the Allen screw of the feed roller shaft [C] collar [D] so that the clearance between the bushing and collar is 0.15 mm (check with a thickness gauge [E]).
  • Page 163 15 MARCH 1987 - FRICTION ROLLER REPLACEMENT - 1. Remove the DF cover (4 screws, 2 collars). 2. Remove the original table cover [A] (4 screws). 3. Remove the original table [B] (2 screws). 4. Remove the lever spring [C] and the stopper plate [D] (2 screws). 5.
  • Page 164 15 MARCH 1987 7. Remove the front stud screw [A] and take out the original entrance guide [B]. 8. Unhook the spring [C] of the misfeed prevention lever [D] and remove the misfeed prevention lever and the bushing [E] (1 E-ring [F]). 9.
  • Page 165 15 MARCH 1987 10. Loosen the allen screw in the collar [A] on the friction roller shaft [B] and remove the friction roller assembly [C]. 11. Remove the E-ring [D] and replace the friction roller [E]. NOTE: - Be sure not to lose the pin [F]. When reassembling the unit, make sure of the following points: When replacing the collar on the friction roller shaft, position the friction roller so that it is centered on the feed roller.
  • Page 166 15 MARCH 1987 - REGISTRATION ROLLER REPLACEMENT - 1. Remove the DF cover (4 screws, 2 collars). 2. Remove the indicator board [A] (2 screws). 3. Remove the harness clamp [B] as shown (1 screw). 4. Disconnect the registration solenoid harness [C] and roller release solenoid harness [D] (2 red connectors).
  • Page 167 15 MARCH 1987 8. Slip off the timing belt [A] while lifting the belt tightener. 9. Remove the registration clutch assembly [B] (1 E-ring). 10. At the front, remove the lever spring [C] and lower the original entrance guide [D]. 11.
  • Page 168 15 MARCH 1987 - STOPPER PLATE POSITION ADJUSTMENT - Reinstall the stopper plate as follows: Remove the spring [A] of the friction roller release solenoid [B] and keep the solenoid plunger inside the coil. Loosen the two screws of the stopper plate [C]. Position the plate so that the groove of the cam [D] aligns with the “4”...
  • Page 169 15 MARCH 1987 - DF BELT DRIVE MOTOR SPEED ADJUSTMENT - This adjustment should be done when the DF PCB [A] is replaced. ADJUSTMENT STANDARD : 2500 ± 30 rpm Turn off the main switch. Remove the DF cover (4 screws, 2 collars) Lower the DF unit.
  • Page 170 15 MARCH 1987 - LEAD EDGE REGISTRATION ADJUSTMENT - 1. Adjust the lead edge registration as follows: a) Turn on the copier main switch and make a copy using the test chart in the platen mode with the flip scale. b) Keep this copy for reference and mark “PM”...

  • Page 171: Sorter

    SECTION 6 SORTER...
  • Page 172 15 MARCH 1987 CONTENTS 1. UNPACKING AND INSTALLATION 6- 1 ACCESSORY CHECK 6- 2 INSTALLATION PROCEDURE 2. REPLACEMENT AND ADJUSTMENT 6- 5 EXIT ROLLER AND O-RING REPLACEMENT 6- 7 PAPER SENSOR REPLACEMENT 6- 8 TIMING BELT TENSION ADJUSTMENT...

  • Page 173: Unpacking And Installation

    15 MARCH 1987 1. UNPACKING AND INSTALLATION - ACCESSORY CHECK - Check the quantity and condition of the accessories in the box according to the following list: DESCRIPTION Q’TY 1. Installation Procedure (115V - English only. 220V/240V - five languages) 2.
  • Page 174 15 MARCH 1987 - INSTALLATION PROCEDURE - Remove the strips [A] of tape shown in the figure. Turn off the main switch and unplug the power supply cord of the copier. Remove the receiving tray [B] and rear cover [C] of the copier (2 screws).
  • Page 175 15 MARCH 1987 Fix the two PCB mounting studs [A] on the main board and install the interface board [B]. (The mounting studs are packed with interface board.) Screw in the lower mounting studs [C]. Mount the sorter on the copier. Insert the two mounting studs into docking holes, and pass the harness through the access hole.
  • Page 176 15 MARCH 1987 Connect the sorter ac harness [A] (free red 2p connector). Connect the sorter dc harness [B] (CN102, free white 4p connector). Secure the sorter ground wire [C] (1 screw with toothed washer). Turn on DIP SW202-1 on the main board [D]. Mount the sorter covers and copier rear cover.

  • Page 177: Replacement And Adjustment

    15 MARCH 1987 2. REPLACEMENT AND ADJUSTMENT - EXIT ROLLER AND O-RING REPLACEMENT - Remove the sorter from the copier and the sorter adapter from the sorter. Remove the front and rear covers (2 screws each). Remove the ground wire [A] of the upper guide plate [B] (1 screw). Swing the guide plate up, then remove it by carefully pulling it up.
  • Page 178 15 MARCH 1987 Remove the wheel sensor assembly [A] (1 screw). Remove the rear transfer wheel [B] (1 E-ring). NOTE: Be sure not to lose the pin [C] of the wheel. Remove the pin and bushing [D]. Loosen the four mounting screws [E] of the wheel drive motor [F]. Lift the wheel drive motor and slip off the timing belt [G].
  • Page 179 15 MARCH 1987 - PAPER SENSOR REPLACEMENT - 1. Remove the sorter from the copier and the sorter adapter from the sorter. 2. Swing up the guide plate [A]. 3. Remove the inner cover [B] (4 screw). 4. Replace the paper sensor [C] (1 screw and 1 connector) and reassemble.
  • Page 180 15 MARCH 1987 - TIMING BELT TENSION ADJUSTMENT - ADJUSTMENT STANDARD: (deflection at 200 g (0.44 lb) pressure) Remove the front cover. Loosen the four mounting screws [A] of the wheel drive motor [B]. Press the timing belt [C] with a tension gauge [D] as shown in the figure and adjust the tension by repositioning the wheel drive motor.

  • Page 181: Large Capacity Tray

    SECTION 7 LARGE CAPACITY TRAY...
  • Page 182 15 MARCH 1987 CONTENTS 1. UNPACKING AND INSTALLATION 7- 1 ACCESSORY CHECK 7- 2 INSTALLATION PROCEDURE 2. REPLACEMENT AND ADJUSTMENT 7- 7 TRAY WIRE REPLACEMENT TRAY DOWN SENSOR AND POSITIONING SWITCH 7- 9 REPLACEMENT 7-11 PAPER SIZE SENSOR REPLACEMENT 7-12 SIDE REGISTRATION ADJUSTMENT...

  • Page 183: Envelope - Necr (115V Only)

    15 MARCH 1987 1. UNPACKING AND INSTALLATION - ACCESSORY CHECK - Check the quantity and condition of the accessories in the box according the following list: Q’TY DESCRIPTION Installation procedure (115V - English only. 220V/240V - five languages) New Equipment Condition Report Envelope - NECR (115V only) Pick-up roller assembly Feed Gear...
  • Page 184 15 MARCH 1987 - INSTALLATION PROCEDURE - Turn off the main switch and unplug the power supply cord of the copier. Move the copier to the right. NOTE: As this system does not contain a special system table, the copier must be moved to the right so that the large capacity tray can overhang the end of the table.
  • Page 185 15 MARCH 1987 cover (2 screws). Remove the rear Remove the rear right side cover [A] (2 screws). Remove the paper feed PCB [B] (1 screw). Remove the feed stay [C] (3 screws). Remove the cassette arm lever [D] (1 spring [E], 1 E-ring [F]). Remove the cassette arm assembly [G] (front - 1 E-ring [H] and 1 bushing [I], rear - 1 bushing [J]).
  • Page 186 15 MARCH 1987 C, Chrome) on the Large 18. Install the mounting bracket [A] (Type Capacity Tray (2 M4 X 6 screws each). 19. Remove the 5 strips of shipping tape [B].
  • Page 187 15 MARCH 1987 20. Reinstall the front right side cover [A] and rear right side cover [B]. 21. Place the large capacity tray [C] in the cassette holder on the 2nd feed station. NOTE: Make sure that the rib of the tray side plate fits into the groove of the cassette holder.
  • Page 188 15 MARCH 1987 25. Install the pick-up roller assembly [A] on the feed roller shaft. 26. Install the gear [B] on the feed roller shaft. 27. Reinstall the feed roller [C] (1 snap ring [D]). 28. Make sure that the paper position feeler [F] is positioned as shown. 29.

  • Page 189: Replacement And Adjustment

    15 MARCH 1987 2. REPLACEMENT AND ADJUSTMENT - TRAY WIRE REPLACEMENT - CAUTION: Unplug the tray power supply cord. - Front Wire - 1. Remove the following parts: 1) Front cover (2 screws and 1 connector) 2) Nylon clamp holding the operation board harness (1 screw) - Rear Wire - 1.
  • Page 190 15 MARCH 1987 - Common Procedure for Front and Rear Wire - NOTE: The running directions for the front and rear wires are opposite. Loosen the wire tightener [A] (1 screw). Insert the bead [B] (unmarked) into the rear slot of the drive pulley. Loop the wire around the drive pulley [C], as shown (one and a half turns).
  • Page 191 15 MARCH 1987 - TRAY DOWN SENSOR AND POSITIONING SWITCH REPLACEMENT - Open the side cover (1 screw). Remove the top cover and rear cover (5 screws). Remove the sensor bracket [A] (2 screws). (There is no need to disconnect the sensor connector.) Remove the two post tops [B] (3 screws each).
  • Page 192 15 MARCH 1987 7. Raise the lift rods [A]. 8. Remove the front inner cover [B] (1 short and 1 long screw). 9. Replace the tray down sensor [C] (1 screw and 1 connector). 10. Rotate the paper size dial to a smaller size, such as A4R, and remove the positioning switch bracket [D] (1 screw).
  • Page 193 15 MARCH 1987 - PAPER SIZE SENSOR REPLACEMENT - 1. Do steps 1 to 8 of the tray down sensor and positioning switch replacement procedure. 2. Remove the front guide post [A] (1 screw and 1 hook). 3. Remove the paper size sensor bracket [B] (1 screw). 4.
  • Page 194 15 MARCH 1987 - SIDE REGISTRATION ADJUSTMENT - NOTE: Do not move the paper size dial while performing this adjustment. Do steps 1 to 8 of the tray down sensor replacement procedure. Loosen the 2 screws securing the pinion bracket [A]. Loosen the screw securing the guide post lock plate [B].

  • Page 195: Editor Board

    SECTION 8 EDITOR BOARD...
  • Page 196 15 MARCH 1987 CONTENTS UNPACKING AND INSTALLATION ACCESSORY CHECK 8- 1 INSTALLATION SET FOR RE 11 8- 2 INSTALLATION PREPARATION 8- 3 INSTALLATION PROCEDURE ON A TABLE 8- 4 INSTALLATION PROCEDURE ON THE MACHINE 8- 5...

  • Page 197: Unpacking And Installation

    1. Installation Procedure (115V - English only. 220V/240V - five languages) 2. New Equipment Condition Report 3. NECR Envelope (115V only) 4. Stylus Pen 5. Cover Plate (FT4480 only) 6. Lock Plate (220/240V only) 7. Clamp 8. Pan Head Screw (M4X8)
  • Page 198 15 MARCH 1987 - INSTALLATION SET FOR RE 11 - The installation set is required when using the editor as a platen cover. Open the box and check the parts according to following list: DESCRIPTION Q’TY Pressure Sheet Left Hinge Right Hinge Pan Head Screw (M4 X 12) Harness Clamp...
  • Page 199 15 MARCH 1987 - INSTALLATION PREPARATION - NOTE: As this copier does not have either the Save/Shift Image function or the Save/ Center Image function, the following procedure prevents the buzzer from sounding if the user mistakenly pushes the Save/Shift Image key or the Save/ Center Image key with the stylus pen.
  • Page 200 15 MARCH 1987 - INSTALLATION PROCEDURE ON A TABLE - NOTE: This procedure is required if ADF or platen cover is already installed on the machine. Install the clamps [A] on the editor as shown in the figure. Plug the stylus jack into the editor board as shown.
  • Page 201 15 MARCH 1987 - INSTALLATION PROCEDURE ON THE MACHINE - platen cover from the machine [A]. 1. Remove the platen cover hinge bracket [B] from the platen cover. 2. Remove the foots [C] from the editor (4 screws). 3. Remove the...
  • Page 202 15 MARCH 1987 Install the clamps [A] on the editor as shown in the figure. Plug a stylus jack into the editor as shown. Remove the screw securing the bottom plate as shown and secure the lock plate [B] to the bottom plate. NOTE: Step 6 is only required in the 220/240V machine.
  • Page 203 15 MARCH 1987 Remove the rear cover (2 screws) and remove the right docking hole cover [A]. Remove the cap [B] from the right docking hole cover using a small screw driver as shown in the figure. Connect the editor connector (8 pin) [C] through the the docking hole and reinstall the docking hole cover on the copier.
  • Page 204 S E C T I O N...
  • Page 205 15 MARCH 1987 CONTENTS COPY QUALITY WHITE SPOTS 9- 1 HAT lMAGE 9- 2 BLANK AREA OR PATCHY IMAGE 9- 3 UNFUSED COPY 9- 3 JITTER 9- 4 HOLLOWING OUT 9- 5 VERTICAL WHITE LINES OR BANDS 9- 5 UNEVEN DENSITY 9- 8 ABNORMAL lMAGE DENSITY 9-10...

  • Page 206: Copy Quality

    15 March 1987 COPY QUALITY White Spots 1. FIREFLY SPOTS - Possible Causes - • Developer too old • Insufficient toner in developer around development unit • Dirty seals - Action - Is there a small black spot in the center of the white spot? Check and adjust the doctor gap (0.90 mm).
  • Page 207 15 March 1987 3. DIRTY BACKGROUND AROUND WHITE SPOTS - Possible Causes - • Condensation on the drum due to rapid temperature change. This phenomenon may occur early on winter mornings. - Action - The problem should disappear after about 20 copies. If it does not, perform drum conditioning.
  • Page 208 15 March 1987 BLANK AREA OR PATCHY IMAGE - Possible Causes - • Uneven PTC, transfer, or separation coronas. - Action - Are the PTC, transfer, and separation corona wires improperly installed? Clean the PTC, transfer, and separation corona wires and adjust the corona currents.
  • Page 209 15 March 1987 JITTER - Possible Causes - • Vibration in drive mechanism • Scanner not moving smoothly - Action - Does jitter appear at the leading edge of copies? Does the interval of jitter change when making reduced copies? Check the main drive belt.
  • Page 210 15 March 1987 H O L L O W I N G O U T 1. CENTER OF SOLID BLACK AREAS IS HOLLOW - Possible Causes - • Damp paper • Incorrect transfer or separation corona current. - Action - Is the paper damp? •...
  • Page 211 15 March 1987 2. Straight Sharp Lines - Possible Causes - • Drum scratched • Cleaning blade damaged • Cleaning brush worn • Hot roller scratched • Hot roller strippers worn - Action - Start a copy cycle and stop it before the copy reaches the fusing unit. Do the same lines exist on the unused copy? If the surface of the hot roller is scratched, which part is scratch- ing the hot roller surface?
  • Page 212 15 March 1987 3. FUZZY LINES OR BANDS - Possible Causes - • Dirty corona wire • Dirty brush seals - Action - Clean the charge, transfer, and PTC corona wires. Clean all brush seals that contact the drum.
  • Page 213 15 March 1987 UNEVEN DENSITY 1. IMAGE DENSITY GRADUALLY CHANGES ACROSS THE COPY - Possible Causes - • Charge corona wire height not even • Charge corona wire dirty • Doctor gap not even - Action - Does the darker area follow the image when making reduced copies? Clean the charge corona wires.
  • Page 214 15 March 1987 2. UNEVEN DENSITY APPEARS IN BANDS. - Possible Causes - • Exposure lamp misaligned • Dirty quenching lamp • Dirty corona wire • Incorrect corona current - Action - Does the darker area move with the image when making reduced copies? •...
  • Page 215 15 March 1987 ABNORMAL IMAGE DENSITY 1. IMAGE DENSITY IS TOO HIGH OR TOO LOW - Possible Causes - • Incorrect charge corona current • ID sensor malfunction - Action - Check the output voltage of the ID sensor using SP mode 55. Is the voltage correct? Adjust the voltage so that it is within standard.
  • Page 216 15 March 1987 Correct or replace any defective parts and check operation again. Is the edge of the cleaning blade deformed? Slightly increase the cleaning pressure. Replace the cleaning blade. 2. DOTTED LINES OR BANDS - Possible Causes - • Pick-off pawl mechanism malfunction •...
  • Page 217 15 March 1987 4. STRAIGHT LINES OR BANDS - Possible Causes - Hot roller scratched Insufficient silicone oil Cleaning blade damaged Drum scratched - Action - Do the lines move with the image when making reduced copies? Start a copy cycle and stop it just before the paper reaches the fusing unit.
  • Page 218 15 March 1987 5. LINES AT IRREGULAR INTERVALS - Possible Causes - • Deformed cleaning blade scraper • Toner clogged in cleaning unit - Action - Is toner clogged in the cleaning unit? Check the cleaning blade scraper. • Is it straight? •...
  • Page 219 15 March 1987 D I R T Y B A C K G R O U N D 1. DIRTY BACKGROUND ON ENTIRE COPY IMAGE - Possible Causes - Dirty corona wire Toner supply clutch malfunction Incorrect lamp regulator output Dirty drum and bias thermistors Inefficient drum cleaning Incorrect corona current...
  • Page 220 15 March 1987 Clean or replace the toner supply clutch. • Check and adjust the charge corona current. • Clean or replace the cleaning brush. Clean the edge of the cleaning blade. Check that the edge of the blade scraper is straight and that its movement is smooth.
  • Page 221 15 March 1987 B L A N K C O P Y - Possible Causes - Charge corona wire mismounted or broken Defective power pack Defective main board - Action - Is there a faint image? Is the charge corona wire (or unit) incorrectly installed? Does the main board output the correct signal to the power pack (CN206-A22 drops from +24 volts to ground)? Replace the main board.
  • Page 222 15 March 1987 LIGHT COPY - P o s s i b l e C a u s e s - Development bias not applied or defective bias power pack Defective main board Defective dc power supply - Action - Does the image density change with ID selection? Is the development bias applied? Does the bias power pack receive the proper trigger signal from...
  • Page 223 15 March 1987 PAPER CREASING - Possible Causes - • If thin copy paper is used, the leading edge may not set correctly between the fusing rollers, resulting in creased copies. • Paper curl - Action - Is thin paper used frequently? Move the fusing entrance guide to the upper position.

  • Page 224: Service Call Conditions

    15 March 1987 SERVICE CALL CONDITIONS 11 EXPOSURE LAMP MALFUNCTION - Possible Causes - • Exposure lamp turns on while in standby condition. • Exposure lamp circuit open (lamp filament broken) • Cooling fan malfunction - Action - Does the cooling fan work? Check the cooling fan circuit.
  • Page 225 15 March 1987 21 SCANNER HOME POSITION SENSOR NOT ON - Possible Causes - • Scanner does not move to home position at power on. • Home position sensor failure - Action - Move the scanner away from the home position. Turn the main switch off and on.
  • Page 226 15 March 1987 23 NO REGISTRATION START SIGNAL - Possible Causes - • Optics control circuit failure (no registration signal) - Action - Replace the main board. If the problem still exists, check the scanner drive motor. 24 NO SCANNER HOME POSITION SIGNAL - Possible Causes - Scanner does not return to home position within 20 seconds after scanner start.
  • Page 227 15 March 1987 28 LENS HOME POSITION SENSOR NOT ON - Possible Causes - • Lens does not move properly. • Lens home position sensor failure - Action - Does the lens move smoothly? Check/repair the lens drive mechanism. Test the lens home position sensor. (Does CN101-B1 stay LOW?) Replace it if defective.
  • Page 228 15 March 1987 2A 2ND SCANNER HOME POSITION SENSOR NOT ON - Possible Causes - • Second scanner drive doesn’t work properly • Second scanner home position sensor failure - Action - Check the action of the second scanner drive mechanism. Does it move correctly? Check/repair the lens drive mechanism.
  • Page 229 15 March 1987 2 C S C A N N E R M O T O R T O O F A S T - Possible Causes - • Scanner motor control circuit failure - Action - Replace the main board. 2 D S C A N N E R M O T O R T O O S L O W - Possible Causes •...
  • Page 230 15 March 1987 32 IMAGE DENSITY SENSOR - Possible Causes - • PTL not set • Dirty ID sensor • ID sensor circuit failure - Action - Clean the ID sensor and reset the PTL unit. If the problem still exists, check the input at CN203-5. Is it less than 1.0 volt? Replace the PTL unit.
  • Page 231 15 March 1987 53 FUSING THERMISTOR ABNORMAL - Possible Causes - • Thermistor failure (The input at CN206-B1 is less than 0.5 V.) - Action - Replace the fusing thermistor. 5 4 F U S I N G W A R M - U P F A I L U R E - Possible Causes - •...
  • Page 232 15 March 1987 56 FUSING TEMPERATURE TOO LOW - Possible Causes - • Fusing lamp blown • Thermistor failure - Action - SC 56 turns on if the hot roller temperature drops below 150°C after warmup is complete. Is the fusing lamp blown? Replace the thermistor.
  • Page 233 15 March 1987 9 1 T O T A L C O U N T E R M A L F U N C T I O N - Possible Causes - • Total counter does not cycle - Action - Is +5 V supplied at CN103-5? Replace the operation panel.
  • Page 234 15 March 1987 ID SENSOR ABNORMAL (no SC number) - Possible Causes - • Dirty ID sensor or ID sensor failure - Action - If Vsg becomes less than 2.5 volts, the SC indicator lights but no number is displayed. The copier shifts to fixed toner supply mode. Clean the ID sensor.

  • Page 235: Defective Sensor Table

    15 March 1987 DEFECTIVE SENSOR TABLE Name Condition Problem S1 Lens Home Position Open Lights SC NO. 29 when the main switch is turned on. Short Lights SC No. 28 when the main switch is turned on. S2 Pulse Generator Open Lights SC No.
  • Page 236 15 March 1987 Problem Name Condition Open Displays incorrect paper size. S8 First Paper Size Short No cassette in place condition is detected if all sensors are shorted. S9 Second Paper Size Open Same as S8. Short Same as S8. Open Paper always jams at the registra- S10 Registration...

  • Page 237: Parts Catalog

    RICOH FT4480 (A009) PARTS CATALOG RICOH COMPANY, LTD. First Edition May 1987...
  • Page 238 PARTS CATALOG INTRODUCTION This chapter instructs you the numbers and names of this parts on this machine. INDEX to PARTS CATALOG Copier (A009) Paper Exit (A009) ......Exterior (A009) .

  • Page 239: Exterior (A009)

    1. EXTERIOR (A009) May 1, ’87...
  • Page 240 1. EXTERIOR (A009) May 1,’87 Index Q’ty Per Index Q’ty Per Parts No. Description Parts No. Description Assembly Assembly AF04 3002 Copy Tray A009 1365 Right Door Catch Magnet Catch Ass’y A008 1307 Left Cover Cap - Sorter 5054 0440 A008 1351 Cap - Left Cover - L A009 1294...

  • Page 241: Registration And 3Rd Paper Feed (A009)

    May 1,’87 2. REGISTRATION AND 3RD PAPER FEED (A009)
  • Page 242 2. REGISTRATION AND 3RD PAPER FEED (A009) May 1, ’87 Q’ty Per Index Index Q’ty Per Description Parts No. Description Parts No. Assembly Assembly PTL/ID Sensor Board A009 5211 Registration Clutch 5205 5313 PTL Guide Magnetic Clutch Collar A009 2771 5205 2866 Regist Sensor Board A009 5253...

  • Page 243: Platen Cover And Cassette (A009)

    3. PLATEN COVER AND CASSETTE (A009) May 1,’87...
  • Page 244 3. PLATEN COVER AND CASSETTE (A009) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly AC00 1006 Platen Cover Ass’y Ac tuator - A4R 5205 2962 Original Holder AG02 1001 5205 2963 Ac tuator - A5R Rear Platen Cover 5211 2800 5205 2964...

  • Page 245: St And 2Nd Paper Feed (A009)

    4. 1ST AND 2ND PAPER FEED (A009) May 1,’87...
  • Page 246 4. 1ST AND 2ND PAPER FEED (A009) May 1,’87 Q’ty Per Index Index Q’ty Per Parts No. Parts No. Description Assembly Assembly A008 2602 Upper Guide Plate AA14 0041 5403 2075 Stepped Screw A009 2807 Lower Lift Arm 5442 2693 Front Spring - Middle Guide A008 2659 Lower Rear Arm...

  • Page 247: Rd Paper Lift (A009)

    5. 3RD PAPER LIFT (A009) May 1,’87...
  • Page 248 5. 3RD PAPER LIFT (A009) May 1, ’87 Q’ty Per Index Index Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 2824 Guide Roller A009 2632 Tray Lift Bracket A009 2821 Guide Roller Bracket - Middle Left Slide Pin Holder 5447 2805 A009 2817 Guide Roller Bracket - Front Left...

  • Page 249: Cassette Tray (A009)

    6. CASSETTE TRAY (A009) May 1,’87...
  • Page 250 6. CASSETTE TRAY (A009) May 1,’87 Index Q’ty Per Q’ty Per Index Parts No. Description Parts No. Description Assembly Assembly 0313 0120W Philips Pan Head Screw - M3 x 12 A009 1300 Cassette Tray Cover A009 1398 Inner Cover - Cassette Tray 0314 0120W Philips Pan Head Screw - M4 x 12 Bottom Cover - Cassette Holder...

  • Page 251: Frame (A009)

    7. FRAME (A009) May 1,’87...

  • Page 252: Receiving Tray

    7. FRAME (A009) May 1, ’87 Index Q’ty Per Q’ty Per Index Parts No. Description Parts No. Description Assembly Assembly Right Cover Bracket A009 1363 0324 0080W Philips Sunken Head Screw - M4 x 8 5403 2075 Stepped Screw 0434 0060W Tapping Screw - M4 x 6 A009 1673 Platen Cover Bracket - Left...

  • Page 253: Optics 1 (A009)

    8. OPTICS 1 (A009) May 1,’87...
  • Page 254 8. OPTICS 1 (A009) May 1, ’87 Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly 5211 7452 Front Guide - Lens Bracket 0313 0060W Philips Pan Head Screw - M3 x 6 AC02 0005 Lens - F8 0314 0100W Philips Pan Head Screw - M4 x 10 5211 1750...

  • Page 255: Optics 2 (A009)

    9. OPTICS 2 (A009) May 1,’87...
  • Page 256 9. OPTICS 2 (A009) May 1,’87 Index Index Q’ty Per Q’ ty Per Parts No. Description Parts No. Description Assembly Assembly 5442 1704 Wing - Side Spring - Scanner Drive Wire 5211 1890 5442 1703 Wing - Center 5211 7461 Scanner Drive Wire 5209 1704 Reflector - Aid...

  • Page 257: Around Drum (A009)

    10. AROUND DRUM (A009) May 1,’87...
  • Page 258 10. AROUND DRUM (A009) May 1,’87 Q’ty Per Index Index Q’ty Per Description Parts No. Parts No. Description Assembly Assembly A009 5212 Quenching Lamp 5442 9510 Selenium Drum Main Corona Unit AD00 4010 AD01 5001 Drum Shaft AD02 3013 Main Corona Unit Casing Drum Guide 5447 2286 AD02 4002...

  • Page 259: Cleaning Unit (A009)

    11. CLEANING UNIT (A009) May 1,’87...
  • Page 260 11. CLEANING UNIT (A009) May 1,’87 Index Q’ty Per Index Q’ty Per Parts No. Description Parts No. Description Assembly Assembly 5215 3680 Sheel - 19 x 36 x 10mm A009 3550 Cleaning Unit AD02 5004 Pick-off Pawl A009 3551 Cleaning Unit Casing A009 3585 Blade Cleaner 5205 3975...

  • Page 261: Development Unit (A009)

    12. DEVELOPMENT UNIT (A009) May 1,’87...
  • Page 262 12. DEVELOPMENT UNIT (A009) May 1,’87 ride: Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description 10 l Assembly Assembly 5215 3000 Development Unit 5215 3115 Gear - 17T 5215 3193 Seal - Entrance 5447 3236 Gear - 23T 5215 3191 Entrance Seal Ass’y 5215 3281...

  • Page 263: Drive Section (A009)

    13. DRIVE SECTION (A009) May 1,’87...
  • Page 264 13. DRIVE SECTION (A009) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly 5447 3361 Toner Supply Solenoid 5442 1099 Gear - 24Z 5442 3233 Spring Drive Wheel 5215 3872 Gear - 45T 5205 3306 Gear - 18T Toner Collection Bottle Cam...

  • Page 265: Paper Transport (A009)

    14. PAPER TRANSPORT (A009) May 1,’87...
  • Page 266 14. PAPER TRANSPORT (A009) May 1,’87 Q’ty Per Index Index Q’ty Per Parts No. Parts No. Description Description Assembly Assembly A009 2156 Inlet Duct Philips Pan Head Screw - M5 x 8 0315 0080W A009 6001 Harness - Toner Overflow Sensor 0323 0040B Philips Sunken Head Screw - M3 x 4 5215 2066...

  • Page 267: Fusing Unit (A009)

    May 1,’87 15. FUSING UNIT (A009)
  • Page 268 15. FUSING UNIT (A009) May 1,’87 Index Q’ty Per Q’ty Per Parts No. Parts No. Description Description Assembly Assembly Fusing Unit - 115V A009 4490 A008 4097 Pressure Lever A009 4480 Fusing Unit - 220V A008 4145 Oil Pan 5215 4130 Oil Supply Pad 5215 4195 Oil Sump...

  • Page 269: Paper Exit (A009)

    16. PAPER EXIT (A009) May 1,’87...
  • Page 270 16. PAPER EXIT (A009) May 1‚’87 Index Parts No. Q’ty Per Description Q’ty Per Parts No. Description Assembly Assembly 5215 4497 Exit Antistatic Brush A009 4318 Upper Exit Guide A009 6615 Exit Cover AA02 1006 Magnet A009 4320 Magnet Holder 5413 2866 Spring - Registration Roller AW02 0007...

  • Page 271: Electrical Section 1 (A009)

    17. ELECTRICAL SECTION 1 (A009) May 1,’87...
  • Page 272 17. ELECTRICAL SECTION 1 (A009) May 1,’87 Q’ty Per Index Index Q’ty Per Parts No. Description Parts No. Description Assembly Assembly AZ32 0004 Power Pack - Main 0314 0080W Philips Pan Head Screw - M4 x 8 A009 6021 DC Main Harness 0434 0080W Tapping Screw - M4 x 8 A009 5821...

  • Page 273: Electrical Section 2 (A009)

    18. ELECTRICAL SECTION 2 (A009) May 1,’87...
  • Page 274 18. ELECTRICAL SECTION 2 (A009) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 6002 Counter Harness 0313 0120W Philips Pan Head Screw - M3 x 12 5439 5246 Totalizer Ass’y 0314 0120W Philips Pan Head Screw - M4 x 12 A008 5854 Cover - Counter...

  • Page 275: Main Board (A009)

    19. MAIN BOARD (A009) May 1,’87...
  • Page 276 19. MAIN BOARD (A009) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 5301 Main Board 1610 0025 Resistor - 22OHM l/8W ±5% A009 5302 IC - HN27256G - 25 1610 0039 Resistor - 150OHM l/8W ±5% A009 5303 IC - µPD7811G...

  • Page 277: Dc Power Supply Board (A009)

    May 1,’87 20. DC POWER SUPPLY BOARD (A009)
  • Page 278 20. DC POWER SUPPLY BOARD (A009) May 1,’87 Q’ty Per Index Index Q’ty Per Parts No. Parts No. Description Description Assembly Assembly A009 5500 Power Supply Unit 1402 0414 Zener Diode - RD27F-B1 1402 0388 Diode - W03C 1403 0255 Light Emitting Diode 1604 1786 Capacitor - 4700µF 25V...

  • Page 279: Fusing Lamp Drive Board (A009)

    21. FUSING LAMP DRIVE BOARD (A009) May 1,’87...
  • Page 280 21. FUSING LAMP DRIVE BOARD (A009) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 5400 Fusing Lamp Drive Board - 115V A009 6006 Fusing Lamp Drive Board - 220/240V 1606 0689 Capacitor - 0.01µF 50V 1405 0130 Rectifier - 400V, 1.0A IG4B42 (115V)

  • Page 281: Power Relay Board (A009)

    22. POWER RELAY BOARD (A009) May 1,’87...
  • Page 282 22. POWER RELAY BOARD (A009) May 1,’87 Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 5125 Power Relay Board - 60Hz A009 6012 Power Relay Board - 50Hz 1102 2227 Spring Header - 4P 1102 1172 EI Connector - 4P 1103 1591...
  • Page 283 23. PAPER FEED CONTROL BOARD (A009) May 1,’87...
  • Page 284 23. PAPER FEED CONTROL BOARD (A009) May 1,’87 Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly Feed Control Board A009 5250 1102 2805 Spring Header - 30P 1103 0781 Connector - 6P 1102 2117 Connector - 2P 1103 1725 Connector - 3P 1103 1729...

  • Page 285: Ac Main Harness (A009)

    24. AC MAIN HARNESS (A009) May 1,’87...
  • Page 286 24. AC MAIN HARNESS (A009) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 6026 AC Main Harness - 115V A009 6027 AC Main Harness - 220V 1102 1533 Connector - 3P 1102 1515 Connector - 2P 1102 0983...

  • Page 287: Dc Main Harness (A009)

    25. DC MAIN HARNESS (A009) May 1,’87...
  • Page 288 May 1,’87 25. DC MAIN HARNESS (A009) Q’ty Per Index Index Q’ty Per Parts No. Description Parts No. Description Assembly Assembly 1102 1677 Connector - 3P DC Main Harness A009 6021 1102 2931 Connector - 6P 1103 1239 Connector - 10P 1103 1429 Connector - 3P 1102 1089...

  • Page 289: Harness - 3Rd Feed (A009)

    26. HARNESS - 3RD FEED (A009) May 1,’87...
  • Page 290 26. HARNESS - 3RD FEED (A009) May 1,’87 Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 5271 Harness - 3rd Feed 1102 2124 MT Connector - 4P 1103 1372 Connector - 12P 1102 2540 Connector - 11P 1102 2038 Connector - 2P...

  • Page 291: Fusing Unit Harness (A009)

    27. FUSING UNIT HARNESS (A009)
  • Page 292 27. FUSING UNIT HARNESS (A009) Index Q’ty Per Index Parts No. Parts No. Description Description Assembly Fusing Unit Harness A009 6031 Thermo Fuse A009 5431 1102 1620 Connector - 3P 1102 1910 Connector - 2P 1102 2099 Connector - 12P Receptacle Terminal 1100 1249...

  • Page 293: Control Harness (A009)

    28. CONTROL HARNESS (A009) May 1,’87...
  • Page 294 28. CONTROL HARNESS (A009) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 6002 Counter Harness 1103 1345 Connector - 14P 1102 1509 Connector - 4P 1102 1515 Connector - 2P 1102 0185 Connector - 4P 1102 1408 Connector - 1P...

  • Page 295: Harness Paper Feed (A009)

    29. HARNESS PAPER FEED (A009) May 1,’87...
  • Page 296 29. HARNESS PAPER FEED (A009) May 1,’87 Q’ty Per Index Index Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A009 5270 Harness Paper Feed 1102 1915 Connector - 7P 1102 1911 Connector - 3P 1103 1897 Connector - 3P 1102 2931 Connector - 6P 1100 1327...

  • Page 297: Special Tool (A009)

    30. SPECIAL TOOL (A009) May 1,’87...
  • Page 298 SPECIAL TOOL (A009) May 1,’87 Index Q’ty Per Parts No. Description Assembly DG Gauge (2 pcs/1 set) 5215 9500 5205 9601 Switching Board 5205 9101 Gap Gauge 5205 9111 Omega Clamp 5206 9600 Sensor Checker 5203 9501 Grease 501 5442 9101 Setting Powder 5442 9106 Drum Shoe...

  • Page 299: Parts Index

    PARTS INDEX...
  • Page 300 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. A009 1364 Left Cover Bracket 15- 7 A009 1056 Left Front Grip - Bottom Plate 15-15 A009 1057 Rear Grip - Bottom Plate A009 1365 Right Boor Catch 3-27 15-10...
  • Page 301 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. Scanner Home Sensor Bracket A009 1682 19-44 A009 2420 Drum Stay Plate 21-67 A009 1683 Sensor Shutter A009 2572 Frame - Cassette Holder 17- 4 13-30 Wire Stopper Plate A009 1686...
  • Page 302 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. Release Lever 11-19 A009 2758 Paper End Sensor Bracket A009 2646 9-46 A009 2647 Lift Sensor Bracket 11-38 A009 2771 PTL Guide 5- 2 Set Sensor Bracket 11-35 A009 2795...
  • Page 303 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. A009 5274 Harness - PTL A009 3928 Duct 29-24 5- 5 A009 5301 Main Board A009 3942 Transport Guide Roller 29-20 35- 7 A009 5301 Main Board A009 4051 Front Side Plate - Fusing...
  • Page 304 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. Lamp Regulator - 115V 17-15 A009 6007 A008 1305 ADF Cap - Upper Cover 3 - 9 Lamp Regulator - 220V 17-15 A009 6008 A008 1307 Left Cover Cap - Sorter 3- 2...
  • Page 305 May 1,’87 Page and Page and Parts No. Description Parts No. Description Index No. Index No. A007 3785 Toner Collection Bottle Cap 29-13 Fusing Unit Cover 31-40 A008 4171 Bracket - Thermistor 31-36 A406 9505 Platen Cover Sheet - 10sheet/set 7- 7 A008 4178 31-16...
  • Page 306 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. AA00 0008 AB01 7035 Gear and Sprocket - 19T/20T Decal - A2 5- 9 5-46 AB01 7036 AA00 0009 Decal - A3 Gear - 33T 5- 7 23-21 AA00 0010...

  • Page 307: Original Holder

    May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. AX44 0006 Fusing Lamp - 230V/840W AG01 1073 Key Top - 4 3-65 31-26 AZ13 0004 Key Top - 5 Transformer - 115V/100V AG0l 1074 3-66 35-14 AZ14 0003...
  • Page 308 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 5205 2967 Ac tuator - A5R 5053 0223 Bushing - 8mm 5-45 7-33 Bushing - 8mm 9-54 5205 2968 Ac tuator - B6 7-33 5053 0223 5053 0223 Bushing - 8mm...
  • Page 309 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 5205 3975 23-37 5211 1724 Exposure Lamp Terminal - Fix 19-20 5205 3981 Collar 23-32 5211 1725 Rear Cover - Lamp Terminal 19- 6 5205 4135 Fusing Shaft Collar 31-25...
  • Page 310 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 5215 1105 Fusing Chain Stopper 27-29 5215 2670 Upper Regist Roller 5-13 5215 1111 Fusing Bracket 27-28 5215 2671 Lower Regist Roller 5-14 5215 1133 Left Stay 15-27 5215 2672...
  • Page 311 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 5215 3072 Side Magnet 5215 3281 25-31 25-37 5215 3302 Toner Supply Roller 5215 3074 Lower Casing 25-33 25-44 5215 3083 Paddle Roller 5215 3321 Gear - 56T 25-27 25-39...
  • Page 312 May 1,’87 Page and Page and Parts No. Description Parts No. Description Index No. Index No. Toner Collection Bottle Cam 5215 3869 27-38 5215 5304 Toner Overflow Sensor 29-34 5215 3872 Gear - 45T 27-37 5215 5371 Grounding Wire 21-49 5215 3873 Follower Shaft 5215 5426...
  • Page 313 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 5420 9550 Silicone Oil 61-13 5442 2754 Spring - Registration Roller 5-43 5434 7916 High Voltage Decal 5442 3109 Seal - Development Roller 21-13 25- 9 5434 7916 High Voltage Decal...
  • Page 314 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 5447 2804 Gear - 15T 0313 0040W Philips Pan Head Screw - M3 x 4 11-41 19-101 0313 0050W Philips Pan Head Screw - M3 x 5 5447 2805 Slide Pin Holder 11-37...
  • Page 315 May 1,’87 Page and Page and Parts No. Description Parts No. Description Index No. Index No. 0314 0120W Philips Pan Head Screw - M4 x 12 0434 0080W Tapping Screw - M4 x 8 27-118 27-141 0314 0120W Philips Pan Head Screw - M4 x 12 0434 0080W Tapping Screw - M4 x 8 31-118...
  • Page 316 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 0805 0083 Retaining Ring - M4 0720 0040E Retaining Ring - M4 7-289 37-165 0805 3104 Ball Bearing - 8 x 22 x 7mm 0720 0050E Retaining Ring - M5 3-168...
  • Page 317 May 1,’87 Page and Page and Parts No. Parts No. Description Inscription I n d e x N o . Index No. 1100 1327 Tapping Screw with Flat Washer - M4 x 8 33-220 Contact 0964 4008W 59-105 35-220 1100 1329 Socket Contact 0964 4008W Tapping Screw with Flat Washer - M4 x 8...
  • Page 318 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 39-122 1102 2260 Connector - 18P 1102 1567 Connector - 2P 39-116 55-101 1102 2264 Connector - 3P Spring Header - 3P 1102 1620 47-111 Receptacle Housing - 3P 51-102...
  • Page 319 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 1103 1345 Connector - 14P 57-101 1208 1133 Relay - DC 24V 35-258 1103 1372 Connector - 12P 53-102 1400 0305 Transistor - 2SC1815 43-110 1103 1429 Connector - 3P...
  • Page 320 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 1407 1882 IC - SN74LS373NS 39-156 1606 1037 Capacitor - 10µF 250V +10 -5% 37-259 1407 1883 IC - TC4050BF 39-162 Capacitor - 100PF ±5% 50V 1606 1208 39-103 1407 2051...
  • Page 321 Page and Page and Parts No. Description Parts No. Description Index No. Index No. 1611 4563 Resistor - 56KOHM l/4T ±5% 43-108 1611 6120 Resistor - 10OHM l/2T 47-115 1611 6152 Resistor - 1.5KOHM l/2T ±5% 41-113 1611 6224 Resistor - 220KOHM l/2W ±5% 43-109 1611 6242 Resistor - 2.4KOHM l/2T ±5%...
  • Page 322 CS2070 (A414)
  • Page 323 l. Mini Sorter (A414) ............2 2.

  • Page 324: Mini Sorter (A414)

    1. MINI SORTER (A414) May 1,’87...
  • Page 325 1. MINI SORTER (A414) May 1,’87 Q’ty Per Index Index Q’ty Per Description Parts No. Parts No. Description Assembly Assembly Multi-Lingual Decal A411 6522 6803 2415 Drive Pulley A414 8611 Installation Procedure - English 6803 1151 Mounting Stay A414 8616 Installation Procedure - 5 Language 6803 1161 Upper Mounting Stud...

  • Page 326: Bin Motor Board (A414)

    2. BIN MOTOR BOARD (A414) May 1,’87...
  • Page 327 2. BIN MOTOR BOARD (A414) May 1,’87 Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly 6803 5500 Bin Motor Board 1102 0995 Connector - 2P 1102 1194 Pin Connector - 3P 1103 1695 Connector - 15P 1103 1748 Connector - 12P 1208 1024...

  • Page 328: Sorter Harness (A414)

    3. SORTER HARNESS (A414) May 1,’87...
  • Page 329 3. SORTER HARNESS (A414) May 1,’87 Q’ty Per Index Q’ty Per Description Parts No. Assembly Parts No. Description Assembly Main Harness 6803 5600 6803 5610 Interface Harness 1100 0051 Solid Strand Socket - MATE-N-LOCK 1100 1042 Fastening Receptacle 1100 1169 1100 1238 Pin - MATE-N-LOCK Pin - MATE-N-LOCK...

  • Page 330: Parts Index

    PARTS INDEX...
  • Page 331 May 1,’87 Page and Page and Parts No. Description Parts No. Description Index No. Index No. A411 2531 Knob Cap 3 - 6 0 A414 1131 Base Plate 3 - 2 9 Multi-Lingual Decal A414 1141 A411 6522 3- * Upper Stay 3-41 A414 3111...
  • Page 332 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 6803 4316 O-ring 5053 0447 Bushing - 6mm 3 - 3 2 3- 18 5205 5250 6803 4411 L.E.D. Sensor Type S 3- 19 Cover Bracket 3- 30 6803 4431...
  • Page 333 May 1,’87 Page and Page and Parts No. Description Parts No. Description Index No. Index No. 0313 0120W Philips Pan Head Screw - M3 x 12 3-111 1102 1923 Connector - 15P 7-118 0314 0060W Philips Pan Head Screw - M4 x 6 3-102 1102 1934 Connector - 12P...
  • Page 334 DF39 (A419)
  • Page 335 1. Document Feeder l (A419) ..........2 2.
  • Page 336 1. DOCUMENT FEEDER I (A419) May 1,’87...
  • Page 337 1. DOCUMENT FEEDER I (A419) May 1,’87 Q’ty Per Index Q’ty Per Index Parts No. Description Parts No. Description Assembly Assembly A419 8611 Installation Procedure - English A419 2730 Front Original Guide A419 8616 Installation Procedure - 5 Language 5443 2712 Cork Pad Multi-Lingual Decal 5918 4226...
  • Page 338 2. DOCUMENT FEEDER II (A419) May 1,’87...
  • Page 339 2. DOCUMENT FEEDER II (A419) May 1,’87 Q’ty Per Index Index Q’ty Per Parts No. Description Parts No. D e s c r i p t i o n Assembly Assembly 5918 2371 Pick-up Lever Registration Roller 5918 2155 5894 2176 Spring - Detent Arm Paper Size Sensor 5918 5631...
  • Page 340 3. DOCUMENT FEEDER Ill (A419) May 1,’87...
  • Page 341 3. DOCUMENT FEEDER Ill (A419) May 1,’87 Index Q’ty Per Q’ty Per Index Parts No. Description Parts No. Description Assembly Assembly 5918 3563 Left Frame 5918 2307 Spring - Drive Motor Tension 5918 3585 Upper Exit Roller 5918 5811 Main Harness 5053 0447 Bushing - M6 5918 2311...
  • Page 342 4. DF MAIN BOARD (A419) May 1,’87...
  • Page 343 4. DF MAIN BOARD (A419) May 1,’87 Q’ty Per Index Index Q’ty Per Parts No. Description Parts No. Description Assembly Assembly 1600 0569 Resistor - 0.2OHM 1W A419 5602 DF Main Board 1600 0576 Resistor - 33OHM 5W A419 5603 IC - HN482764G-3 1601 1732 Resistor - 390OHM 1W...
  • Page 344 5. DF HARNESS (A419) May 1,’87...
  • Page 345 May 1,’87 5. DF HARNESS (A419) Q’ty Per Index Q’ty Per Index Description Parts No. Assembly Description Parts No. Assembly Main Harness 5918 5811 Socket - MATE-N-LOCK 1100 1089 Socket - MATE-N-LOCK 1100 1147 Socket - Mate-N-Lock 1100 1159 Fastening Receptacle 1100 1169 Socket - Mate-N-Lock 1100 1190...
  • Page 346 PARTS INDEX...
  • Page 347 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. A912 2631 Side Cover A912 2520 Pick-up Roller - Holder 3- 23 3- 5 A912 2640 Front Guide Post A912 2528 Pick-up Roller 3- 25 5- 14 A912 2641 Rear Guide Post...
  • Page 348 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index Index No. 5053 0223 Bushing - 8mm 5894 2229 Solenoid Pin 7-47 5 - 2 4 5894 2264 5053 0447 Bushing - M6 5- 30 Collar 5- 64 5053 0447 Bushing - M6 7- 3...
  • Page 349 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 5918 2230 Gear - 45T 5- 51 5918 2615 Spring Plate 5- 18 5918 2250 Sensor Ac tuator Middle Spring Plate 5- 67 5918 2616 5- 19 5918 2252 Right Stay...
  • Page 350 Page and Parts No. Description Index No. Floating Roller 5936 5501 Transport Drive Motor - DC 21W 7 - 3 2 5918 3381 7- 20 6754 1242 Knob Cap Belt Stopper 5- 45 5918 3382 7- 22 5918 3383 Holder - Floating Roller 7- 19 5918 3385 Belt Unit Stay...
  • Page 351 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 0951 4006W Philips Screw with Flat Washer - M4 x 6 0313 0040W Philips Pan Head Screw - M3 x 4 7-109 5-103 0313 0040W Philips Pan Head Screw - M3 x 4 0951 5008W Philips Screw with Flat Washer - M5 x 8...
  • Page 352 May 1,’87 Page and Page and Parts No. Description Parts No. Description Index No. Index No. 1604 1358 1103 3022 Connector - 30P Capacitor - 1000µF 10V 9-106 9-135 1604 1381 1104 0271 Capacitor - 4.7µF 50V Connector - 30P 9-136 9-107 1604 1382...
  • Page 353 RT15 (A912)
  • Page 354 1. LCT I (A912) ............2 2.

  • Page 355: Lct I (A912)

    1. LCT | (A912) May 1,’87...
  • Page 356 1. LCT I (A912) May 1,’87 Index Q’ty Per Index Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A912 8610 Installation Procedure - 115V 0434 0060W Tapping Screw - M4 x 6 A912 8615 Installation Procedure - 220V/240V 0434 0100W Tapping Screw - M4 x 10 A912 2621...
  • Page 357 2 . L C T | | ( A 9 1 2 ) May 1,’87...
  • Page 358 2. LCT II (A912) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A912 2573 Lift Stay A912 2570 Rear Side Plate A912 2587 Front Inner Cover A912 2565 Front Mounting Bracket - Type B A912 2575 Front Paper Guide A912 2561...
  • Page 359 3. LCT Ill (A912) May 1,’87...
  • Page 360 3. LCT Ill ( A 9 1 2 ) May 1,’87 Q’ty Per Index Q’ty Per Index Parts No. Description Parts No. Description Assembly N o . Assembly Tray Drive Motor - AC 7/8W/115V 5446 5411 A912 2555 Trans Cover Tray Drive Motor - AC 7/8W/220V A912 2556 Shield Plate...

  • Page 361: Lct Board (A919)

    4. LCT BOARD (A912) May 1,’87...
  • Page 362 4. LCT BOARD (A912) May 1,’87 Index Index Q’ty Per Q’ty Per Parts No. Description Parts No. Description Assembly Assembly A912 5103 Tray Control 1103 1247 Connector - 3P 1103 1729 Connector - 7P 1103 1730 Connector - 8P 1103 1739 Connector - 3P 1103 1743 Connector - 7P...

  • Page 363: Lct Harness (A912)

    5. LCT HARNESS (A912) May 1,’87...
  • Page 364 May 1,’87 5. LCT HARNESS (A912) Q’ty Per Index Q’ty Per Index Description Parts No. Assembly Parts No. Description Assembly 1102 1745 Receptacle Sleeve A912 5205 Interface Harness 1102 1786 Connector - 3P Pick-up Harness A912 5202 1102 1815 Connector - 3P 5925 5206 DC Harness 1102 1911...

  • Page 365: Parts Index

    PARTS INDEX...
  • Page 366 May 1,’87 Page and Page and Parts No. Description Parts No. Description Index No. Index No. A411 2531 Knob Cap A419 1120 Original Feed Belt (Yellow) 7- 27 5 - 4 5 A419 1125 Original Feed Belt (White) 7- 27 A419 2645 Key Top (D) 3- 21...
  • Page 367 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. Spring - Paper Position Feeler 5053 0223 Bushing - 8mm 7- 4 AA06 6011 3- 16 Bushing - 10mm - Long - 7mm AA14 8023 Feeler Shaft 3- 14 5053 0419...
  • Page 368 May 1,’87 Page and Page and Parts No. Description Parts No. Description Index No. Index No. AC Harness - 220/240V 5897 1498 Harness Cover 2 5925 5215 5 - 3 2 11- 5 5925 5216 5897 1514 Noise Filter Bracket - 220V/240V 7- 38 Noise Filter Harness 7- 40...
  • Page 369 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 1100 1238 0313 0060W Philips Pan Head Screw - M3 x 6 5-101 Pin - MATE-N-LOCK 11-105 0313 0120W Philips Pan Head Screw - M3 x 12 1100 1239 Pin - MATE-N-LOCK 11-106...
  • Page 370 May 1,’87 Page and Page and Parts No. Parts No. Description Description Index No. Index No. 1611 4564V Resistor - 560OHM l/4W 9-128 1103 1730 Connector - 8P 9-103 1103 1739 Connector - 3P 9-104 1103 1743 Connector - 7P 9-105 1103 1757 Connector - 7P...
  • Page 371 15 March 1987 Problem Condition Name Open Never lights “Paper Size” indicator S15 Cassette Tray even when the cassette tray is installed. Short Lights “Paper Size” indicator even when the cassette tray is not installed. Same as S6. S16 Third Paper End Open Short Same as S6.

Table of Contents