Ricoh FT2050 Field Service Manual
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Ricoh FT2050 Field Service Manual

Ricoh FT2050 Field Service Manual

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RICOH
RICOH F T 2 0 5 0 / 2 0 7 0
F I E L D
S E R V I C E
M A N U A L
RICOH COMPANY LTD.

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Summary of Contents for Ricoh FT2050

  • Page 1 RICOH RICOH F T 2 0 5 0 / 2 0 7 0 F I E L D S E R V I C E M A N U A L RICOH COMPANY LTD.
  • Page 2 CONTENTS SECTION 1 : INSTALLATION REQUIREMENTS SECTION 2: UNPACKING AND INSTALLATION SECTION 3: PREPARATIONS FOR TRANSPORTING THE COPIER SECTION 4: SERVICE TABLES AND REMARKS SECTION 5: REPLACEMENT AND ADJUSTMENT SECTION 6: SORTER CS1040 SECTION 7: DOCUMENT FEEDER DF36 SECTION 8: TROUBLE SHOOTING SECTION 9: ELECTRICAL DATA...
  • Page 3 CAUTIONS 1. Before installing the machine, make sure that there is a suitable ground (earth) available. 2. Since some parts of the copier are supplied with high voltage, make sure the main switch is off and the power supply cord is unpluged before working on the copier. 3.
  • Page 4 SECTION 1 INSTALLATION REQUIREMENTS...
  • Page 5 Environment 1-1. 10°C to 30°C Temperature Range : If the installation place is air-conditioned or heated, (50°F to 86°F) place the machine: H u m i d i t y R a n g e : 15% to 90% RR Where it will not be subjected to sudden temperature changes from low to high, or vice Ambient Illumination :...
  • Page 6 February 1. 1986 1-2. Minimum Space Requirements More than 12 cm (4-3/4") 1. Front :70 cm (27-1/2") 2. Back :12 cm (4-3/4") 3. Right :70 cm (27-1/2") 4. Left :70 cm (27-1 /2") 1-3. Power Source 1. Input voltage level 3.
  • Page 7 SECTION 2 UNPACKING INSTALLATION...
  • Page 8 August 1, 1985 2-1. Unpacking Procedure Take out the accessory box and the machine. 2. Remove the two cushion blocks. 3. Open the vinyl bag and take out the machine.
  • Page 9 August 1, 1985 Check that the accessories are in the quantities according to the following list. Cassette ......2 pcs. (One is in the machine.) Cassette Cover .
  • Page 10 2-2. Installation Procedure Remove the two strips of tape. 2. Open the front cover. 3. Move the slider to the center and push down the release lever to open the top unit.
  • Page 11 4. Remove the roller retainer. 5. Remove the two strips of tape. 6. Remove the three wedges from the new master unit. Note: Do not touch the master (purple material) and avoid exposing it to light. 2 - 4...
  • Page 12 August 1, 198 7. Insert the master unit into the copier. cover that protects the 8. Peel off the master. until it locks in place. 9. Push the master unit up...
  • Page 13 August 1, 1985 Install the manual feed guide on the right side of the machine. Shake the new cartridge of toner well. Set the pins of the toner cartridge into the slots on the development unit. Then, turn the cartridge counterclockwise.
  • Page 14 August 1, 1985 Lower the top unit. Close the front cover. Pull out the cassette tray unit it stops 2 - 7...
  • Page 15 August 1, 1985 17. Remove the strip of tape and the silica gel. Take out the cassette and the two cushion blocks. I 19. Load paper into the cassette so that it is flush with the front and side fences. NOTE: The cassette holds approximately 250 sheets.
  • Page 16 August 1, 198 Press down the corners of the paper stack so that they catch underneath the corner separators. Set the cassette on the cassette tray. Set the paper size flap.
  • Page 17 August 1, 1985 23. Push in the cassette tray until it stops. 24. Install the copy tray on the left side of the machine. 25. When not using this instruction booklet, place it in the holder on the back of the copier. 26.
  • Page 18 2-3. Cassette Modification Remove the side fences and the rear fence (1 screw each). Reposition the fences to the desired paper size posi- tion. Insert the actuators in the proper slots on the front of the cassette. Attach the proper paper size decal on the paper size flap.
  • Page 19 August 1, 1985 2-4. Main Transformer Conversion (220 to 240V only) Open the top unit and remove the development unit. Swing up the upper feed guide (1 screw). Remove the lower feed guide (4 screw). Uncouple the 220V connector and couple the 240V connector.
  • Page 20 August 1, 1985 2-5. Key Counter Holder Installation Note: Three types of counters are recommended for this copier (Ricoh, Hecon, and Hengstler key counters). Remove the upper right cover (4 screws.) Remove the key counter cover and fixing plate from the key counter bracket (2 screws).
  • Page 21 Align the holes in the fixing plate with the mounting holes of the key counter holder and secure the key counter holder. Note: fixing plate three sets holes. Make sure to use the holes that match the type of counter when installing. Remove the shorting plug from the key counter connector.
  • Page 22 2-6. Unpacking Procedure 1. Take out the accessory box and the machine. 2. Remove the two cushion blocks. 3. Open the vinyl bag and take out the machine. 1 ) Accessory Box 2) Cushion Blocks 2-15...
  • Page 23 February 1, 1986 Check that the accessories are in the quantities according to the following list. Cassette ......2 pcs. 3 pcs.
  • Page 24 February 1, 1986 2-7. Installation Procedure Remove the two strips of tape. Open the front cover. Move the slider to the center and push down the release lever to open the top unit. 2-17...
  • Page 25 February 1, 1986 4. Remove the roller retainer. 5. Remove the two strips of tape. 6. Remove the three wedges from the new master unit. Note: Do not touch the master (purple material) and avoid exposing it to light. 2-18...
  • Page 26 February 1, 1986 7. Insert the master unit into the copier, 8. Peel off the polyester cover that protects the master. 9. Push the master unit up until it locks in place. 2 - 1 9...
  • Page 27 February 1, 1986 10. Remove the two strips of tape and one cushion the paper tray. block from 11. Install the paper tray on the right side of the machine. 12. Shake the new cartridge of toner well. 13. Set the pins of the toner cartridge into the slots on unit.
  • Page 28 Februarv 1. 1986 14. Install the cartridge crank onto the shaft and turn the cartridge crank clockwise to strip off the cartridge seal. Then, remove the cartridge crank and lower the top unit. Note: At installation, it is recommended to load two cartridges of toner.
  • Page 29 February 1, 1986 17. Pull out the cassette tray unit it stops. 18. Remove the strip of tape and the silica gel. 1 ) Silica Gel 19. Take out the cassette and the two cushion blocks. 1 ) Cushion Blocks...
  • Page 30 Februarv 1. 1986 20. Load paper into the cassette so that it is flush with the front and side fences. Note: The cassette holds approximately 250 sheets. that 21. Press down the corners of the paper stack so they catch underneath the corner separators. 22.
  • Page 31 February 1.1986 23. Set the paper size flap. 24. Push in the cassette tray until it stops. 25. Slide the drawer tray to the position of the paper size. 2 - 2 4...
  • Page 32 Load paper into the paper tray. Adjust the paper guides so that they contact both sides of the stack firmly. Install the copy tray on the left side of the machine. 2 - 2 5...
  • Page 33 February 1, 1986 29. When not using this instruction booklet, place it in the holder on the back of the copier. 30. Check machine operation and copy quality. Fill out the New Equipment Condition Report. This completes machine installation. 2-8, Main Transformer Conversion (220 to 240V only) Open the top unit and remove the development unit.
  • Page 34 SECTION 3 PREPARATIONS FOR TRANSPORTING THE COPIER...
  • Page 35 Note: * If the copier is installed with the DF or sorter, remove them first. (See the DF or Sorter Installation pro- cedure.) (FT2050) 3-1. Short Distance (Room to Room) 1. Remove the copy tray and manual feed guide/paper tray. 2. Remove the cassette tray.
  • Page 36 3-2. Long Distance (by vehicle) 1. Remove the copy tray and manual feed guide/paper tray. 2. Remove the cassette tray. 3. Open the clamshell and secure the develop- ment unit with strips of tape. 4. Secure the slider with strips of tape. CAUTION : * While transporting the copier, always cover the copier to avoid...
  • Page 37 SECTION 4 SERVICE TABLES AND REMARKS...
  • Page 38 February 1, 1986 4-1. Maintenance Guide Note: This guide shows the items to be cleaned and their effect on the copies if they are not clean. Clean these items as per the maintenance table. [ FT2050...
  • Page 40 Soft Cloth (Water or Alcohol) 4. Platen Cover Sheet Wet Soft Cloth, then Dry Soft Cloth 5. Exposure Lamp Silicone Cloth 6. Reflector Blower Brush 7. Exposure Sensor (FT2050) Blower Brush 8. Auto ID Sensor (FT2070) Silicone Cloth 9. Lens/Mirrors Toner Agitator (when necessary) Development 1.
  • Page 41 February 1, 1986 SECTION ITEM TO BE CLEANED MATERIAL TO BE USED Paper Feed 1. Paper Feed Roller Soft Cloth (Water) 2. Friction Pad Soft Cloth (Water) Transport 3. 1st Relay Roller Soft Cloth (Water) 4. 2nd Relay Roller Soft Cloth (Water) 5.
  • Page 42 ITEM TO BE LUBRICATED NO. OF COPIES LUBRICATING MATERIAL Erase and 1. Fiber Optics Holder As Necessary Grease-501 Optics (FT2050) Paper Feed 1. Paper Feed Clutch Spring 60 K Mobil Temp 78 Transport 2. 1st Relay Clutch Spring 60 K Mobil Temp 78 3.
  • Page 43 4-4. Expected Life of Parts NOTE: Main parts have the following expected service life. SECTION PART DESCRIPTION EXPECTED SERVICE LIFE Development 1. Toner Metering Blade 60 K (Black) 6 K (Color) Paper Feed and 1. Friction Pad 60 K Transport 2.
  • Page 44 August 1, 1985 4-5. Special Tools and Lubricants REMARKS DESCRIPTION PART NO. Positioning Ring 5 2 1 6 9 0 0 3 100 sheets/set Test Chart OS-A3 5 4 2 0 9 5 0 2 BECKMAN RMS3030 Digital Multimeter 5 4 2 0 9 5 0 7 BECKMAN DL241 Deluxe Test Lead 5 4 2 0 9 5 0 8...
  • Page 45 Always store master unit in a cool and dry The variable resistor (VR - 1 ) on the exposure place. sensor board is factory preset and should not (FT2050). be adjusted in the field Do not leave master units in vehicles during hot weather.
  • Page 46 February 1, 1986 Development Transfer When white vertical lines appear on the copy, The variable resistor (VR-T) on the transfer/ use the toner agitator to clean the toner bias power pack is factory preset and should metering blade. not be adjusted in the field. Do not use the toner agitator unless copy Do not touch the transfer corona wire with oily image problems occur.
  • Page 47 August 1, 1985 Fusing Be careful not to damage the hot roller strip- pers. Do not touch the fusing lamp with your bare hands. Make sure that the fusing lamp does not con- tact the hot roller. Clean the fusing thermistor and hot roller strippers at every service call.
  • Page 48 SECTION 5 REPLACEMEMT AND ADJUSTMENT...
  • Page 49 5-1. Exterior Removal FT2050 ........
  • Page 50 August 1, 1985 Upper Clamshell (7) Inner Cover (1 E-ring and 2 screws) Remove the operation panel. Platen cover (2 buttons) Open the clamshell and remove the Pull up both buttons and lift the platen release lever. cover slightly and slide it to the rear to remove.
  • Page 51 August 1, 1985 Lower Clamshell (5) Lower Left Cover (2 screws) Remove the front cover (2 screws), the Front Cover (2 screws) upper rear cover (2 screws), and lower rear cover (4 screws) to remove the Open the clamshell to remove the lower left cover.
  • Page 52 August 1, 1985 (7) Cassette Tray Push down the cassette release lever. Pull out the cassette tray. Lift the front of the cassette tray slightly, and remove. (8) Cassette Tray Cover (3 screws) Pull out the cassette tray and remove. 5 - 4...
  • Page 53 February 1, 1986 Upper Clamshell (FT2070) (6) Operation Panel (2 screws and 1 connector) 1. Remove the inner cover (1 E-ring and 2 (1) Platen cover (2 pushlocks) screws). 1. Pull up both pushlocks, lift the platen cover slightly and slide it to the rear to NOTE: When installing the operation panel, the remove.
  • Page 54 Lower Clamshell (FT2070) (5) Lower Left Cover (2 screws) 1. Remove the front cover (2 screws), the upper rear cover (2 screws), and lower (1) Front Cover (2 screws) rear cover (4 screws) to remove the lower 1. Open the clamshell to remove the screws. left cover.

  • Page 55: Table Of Contents

    5-2. Erase and Optics FT2050 Erase Lamp Replacement ............5-6 Slider Removal .

  • Page 56: Erase Lamp Replacement

    August 1, 1985 Erase Lamp Replacement Open the clamshell and remove the upper right cover. Pull the master release hook and remove the master unit. CAUTION: * Do not touch the master belt (purple material), and avoid exposing it to light.

  • Page 57: Slider Removal

    August 1, 1985 Slider Removal Remove the platen cover. Remove the upper rear cover, Remove the harness from the 2 clamps. Remove the drive wire bracket (1 screw and 1 connector) together with the slider lock lever, slider release lever, and slider lock spring. Remove the slider drive wire together with the slider drive pulley (1 wire spring).

  • Page 58: Slider Drive Wire Replacement

    August 1, 1985 Re-install the drive wire bracket, slider lock Slider Drive Wire Replacement lever, slider release Iever, harness and slider rock spring 1 stud screw and 1 connector Remove the slider drive wire. (See step 1 to 5 of “Slider Removal” section.) NOTE: * When re-installing the slider, the front Position the slider lock notch just above the...

  • Page 59: Fiber Optics Removal

    August 1, 1985 Fiber Optics Removal Remove the slider. (See “Slider Removal” section.) Remove the upper right cover (4 screws). Close the clamshell. Remove the reflector (2 screws). Remove the two leaf springs (1 screw each). sensor bracket (2 Loosen the exposure screws).

  • Page 60: Exposure Lamp Unit Replacement

    August 1, 1985 Exposure Lamp Unit Replacement Remove the slider. (See “Slider Removal” section.) Exposure Lamp Unit Relay Board Remove the operation panel (2 screws and 1 connector). Remove the upper left cover and upper right cover. Close the clamshell. Remove the exposure lamp unit together with exposure lamp bracket (1 screw, 1 washer and 3 connectors).

  • Page 61: Slider Clutch Removal

    Slider Clutch Removal Remove the upper rear cover. Remove the drive wire bracket. (See “Slider Removal” section.) Remove the timing belt and the master/ development drive pulley (1 E-ring). Remove the slider clutch bracket (3 screws). Remove the slider drive gear and the slider reverse gear (1 E-ring and 1 spacer each), then Slider Lock Lever Spring...

  • Page 62: Fiber Optics Holder Lubrication

    August 1, 1985 Fiber Optics Holder Lubrication Remove the slider. (See “Slider Removal” section.) Apply Grease 501 to the top of the fiber optics holders.

  • Page 63: Erase Lamp Replacement

    February 1, 1986 Erase Lamp Replacement (FT2070) Unplug the copier. Remove the upper right cover and upper rear cover. Remove the ac drive board (2 screws). Uncouple the 8 pin connector behind the ac drive board. Open the clamshell while pressing down the release lock.

  • Page 64: Exposure Lamp Replacement

    February 1, 1986 Exposure Lamp Replacement (FT2070) Remove the platen cover and slider cover (5 screws). Remove the upper right cover and the upper rear cover. Remove the slider stopper (1 screw). Move the slider to the far left, past the home position sensor.

  • Page 65: Exposure Lamp Positioning

    February 1. 1986 Exposure Lamp Positioning (FT2070) To correct the position of the filament, turn the adjusting knobs until the correct position is Remove the upper right cover and the upper achieved. rear cover. NOTE: * Be sure to tighten the lock screw after Remove the slider stopper (1 screw).

  • Page 66: Slider Removal

    February 1, 1986 Slider Removal (FT2070) Remove the platen cover and upper rear cover. Remove the slider cover (5 screws). Remove the ac drive board (2 screws). NOTE: * It is not necessary to disconnect the con- nectors. Remove the slider lock spring. Remove the slider home position sensor assembly (2 screws).

  • Page 67: Slider Drive Wire Replacement

    February 1, 1986 Slider Drive Wire Replacement (FT2070) Remove the slider drive wire. (See “Slider Removal” section.) – Installation – Insert one drive wire bead in the notch at the far right of the slider. Draw the wire” over the slider pulley (inside track) and under the slider drive tension pulley.
  • Page 68 February 1, 1986 Seat the slider lock wire bead in its notch as shown to the right. Reinstall the slider lock lever and bracket after seating the bead of the slider lock wire. Reinstall the home position sensor assembly (2 screws) and the slider lock spring. Reinstall the ac drive board (2 screws).

  • Page 69: Lens Drive Wire Replacement

    February 1, 1986 Lens Drive Wire Replacement (FT2070) Remove the upper right cover Remove the slider. (See “Slider Removal” sec- tion.) Remove the Auto ID sensor board from the exposure lamp assembly (2 screws and 1 har- ness clamp). . Remove the exposure lamp assembly (2 screws and 1 connector).
  • Page 70 February 1, 1986 – Installation – Place the short end bead of the new wire in the right slot of the lens housing assembly. Loop the drive wire one and half turns around the lens drive pulley. Position the center bead in the cutout of the lens drive pulley.

  • Page 71: Lens Drive Motor Replacement

    February 1, 1986 Lens Drive Motor Replacement (FT2070) Remove the inner cover. Remove the main board (3 screws). Uncouple the 6 pin connector behind the main board and remove the lens drive motor har- ness from the wire clamp. Remove the lens drive wire. (See “Lens Drive Wire Replacement”...

  • Page 72: Home Position Sensor Replacement

    February 1, 1986 Home Position Sensor Replacement (FT2070) Remove the upper rear cover. Remove the ac drive board (2 screws). Remove the home position sensor together with the bracket (2 screws). Remove the home position sensor from the bracket (1 connector). 5-12-10...
  • Page 73 Quenching Lamp Replacement (FT2050) ........
  • Page 74 August 1, 1985 Toner Metering Blade Replacement Open the clamshell and remove the develop- ment unit. Remove the toner cartridge. Remove the front cover of the development Roller Cover Bracket unit (2 screws). Remove the roller cover bracket (1 screw), and take off the development roller cover.
  • Page 75 August 1, 1985 Quenching Lamp Replacement Remove the upper left cover. (1 screw and 1 Remove the quenching lamp connector). 5 - 1 5...
  • Page 76 February 1, 1986 Quenching Lamp Replacement (FT2070) Unplug the copier. Remove the upper rear cover. Remove the ac drive board (2 screws). Uncouple the 2 pin connector behind the ac drive board. Remove the toner overflow sensor assemb- ly. (See “Toner Overflow Sensor Replace- ment.”) Remove the charge varistor (1 screw).
  • Page 77 5-4. Paper Feed and Transport Paper Feed Roller Replacement .............5-18 Friction Pad Replacement .

  • Page 78: Paper Feed Roller Replacement

    August 1, 1985 Paper Feed Roller Replacement Pull out the cassette tray from the copier. Open the clamshell and remove the manual feed guide. Remove the paper feed roller (1 snap ring). NOTE: * Be careful not to touch the paper feed roller with oily hands.

  • Page 79: Friction Pad Replacement

    August 1, 1985 Friction Pad Replacement Pull out the cassette tray from the copier. Peal off the friction pad from the friction pad holder. Install new friction pad. NOTE: * Be careful not to touch the friction pad with oily hands. 5-19...

  • Page 80: Paper Feed Clutch Lubrication

    August 1, 1985 Paper Feed Clutch Lubrication Open the clamshell and remove the lower rear cover. Remove the paper feed clutch bracket (2 screws, 2 E-rings, and 2 bushings). Remove the paper feed roller gear, clutch sleeve, and clutch spring. Apply Mobil Temp 78 to the clutch spring and output hub.

  • Page 81: Registration Clutch Lubrication

    August 1, 1985 Registration Clutch Lubrication Remove the upper rear cover and the lower rear cover. Remove the registration clutch bracket (2 screws, 1 E-ring and 1 bushing). Pull the engage gear bracket and move it to the upper right. . Remove the output hub, clutch sleeve, clutch spring and the input hub (1 allen set screw).

  • Page 82: Paper Size Switch Replacement

    August 1, 1985 Paper Size Switch Replacement Pull out the cassette tray. Remove the lower rear cover. Remove the paper size switch together with the bracket (3 screws). Remove the paper size switch from the bracket (2 screws and 1 connector). NOTE: * When installing the paper size switch in the bracket, be sure that the connector faces to the upper right hand side, as...

  • Page 83: Paper Feed Sensor Replacement

    August 1, 1985 Paper Feed Sensor Replacement Open the clamshell. Remove the development unit. Loosen the screw securing the lower rear cover. Swing up the upper paper feed guide plate. Remove the lower feed guide (4 screws). Remove the paper feed sensor (1 screw and 1 connector).
  • Page 84 August 1, 1985 NOTE: * When reassembling, make sure that the Transport Belt Replacement 1st transport pulley rides in the small grooves of the transport belt holder. Remove the copy tray. 2. Remove the front cover (2 screws), upper rear cover (2 screws), and lower rear cover (4 screws).

  • Page 85: Paper End Sensor Replacement (Ft2070)

    Paper End Sensor Replacement (FT2070) Remove the paper tray. Remove the paper turn guide by sliding it to the rear and pulling its front to the right (2 screws). Remove the paper end sensor unit (1 screw and 1 connector). Remove the paper end sensor actuator by flexing the paper end sensor bracket gently.

  • Page 86: Pick-Up Roller Replacement (Ft2070)

    February 1, 1986 Pick-up Roller Replacement (FT2070) Remove the paper tray. Rotate the pick-up roller shaft so that the flat Shaft Holder Opening sides align with the shaft holder openings. Pull the rear end of the roller shaft toward the right and slide it to the rear.

  • Page 87: Tray Feed Roller Replacement (Ft2070)

    February 1, 1986 Tray Feed Roller Replacement (FT2070) Remove the front cover, paper tray, and the lower rear cover. Remove the development unit. Remove the tray feed solenoid (2 screws and 2 harness clamps). Unhook the sector gear spring and the tray feed solenoid spring.
  • Page 88 February 1, 1986 Remove the front and rear screws securing the feed roller housing. Remove the pick-up spring and the spring housing. Remove the E-ring and bushing from the front of the tray feed shaft. Slide the shaft to the rear and lift the front of the tray feed shaft.

  • Page 89: Pick-Up And Tray Feed Clutches Lubrication (Ft2070)

    February 1, 1986 Pick-up and Tray Feed Clutch Lubrication NOTE: * When reinstalling the spring clutches, be sure to insert the projections of the (FT2070) clutch springs into the notches. * When replacing the paper feed clutch Remove the lower rear cover. bracket, secure it with the three screws, then slide the pick-up gear slightly to the Remove the tray feed solenoid (2 screws and...

  • Page 90: Paper Width Sensor Replacement (Ft2070)

    February 1, 1986 Paper Width Sensor Replacement (FT2070) Open the clamshell. Remove the development unit. Remove the width sensor cover (2 screws). Replace the paper width sensors (1 connector each). NOTE: * When reinstalling the width sensor cover, first insert the positioning tabs into the positioning notches.

  • Page 91: Paper Length Sensor Replacement (Ft2070)

    February 1, 1986 Paper Length Sensor Replacement (FT2070) Remove the paper tray. Remove the paper turn guide (2 screws). Disconnect the length sensor connector. Remove the screw securing the length sensor bracket. While pushing in the length sensor interrupter, slide the length sensor bracket to the right. sensor (1 screw).
  • Page 92 5-5. Image Fusing 5-26 Hot Roller Replacement ............. 5-28 Pressure Roller Replacement .

  • Page 93: Hot Roller Replacement

    August 1, 1985 Hot Roller Replacement Open the exit assembly. (See “Hot Rollers Strippers Replacement” section.) Open the clamshell and stand it straight up. (See “Transport Belt Replacement” sec- tion.) Remove the fusing unit cover (2 screws). Remove the fusing stay (4 screws). Holding the front end of the fusing lamp, remove the front terminal bracket (1 screw).
  • Page 94 August 1, 1985 10. Remove the bearing from the front end of the hot roller (1 C-ring). 11. Remove the gear from the rear end of the hot roller (1 C-ring). 12. Remove the hot roller carefully. NOTE: * Be careful not to damage the hot roller. When installing the fusing lamp, make sure both “end of the fusing lamp proper- ly contact the terminals.

  • Page 95: Pressure Roller Replacement

    August 1, 1985 Pressure Roller Replacement Remove the hot roller. (See “Hot Roller Rep- lacement” section.) Remove the transport belt gear bracket (2 screws). Remove the 2 idle gears as shown to the right (1 E-ring each). Remove the rear hot roller bearing. Remove the transport guide plate (2 screws).

  • Page 96: Thermistor Replacement

    August 1, 1985 Thermistor Replacement Open the clamshell and stand it straight up. (See “Transport Belt Replacement” sec- tion.) Remove the fusing unit cover (2 screws). Remove the fusing stay (4screws). (See “Hot Roller Replacement” section.) Remove the transport guide plate. (See “Transport Belt Replacement”...

  • Page 97: Thermofuse Replacement

    Thermofuse Replacement 9. Lift the thermofuse stay and disconnect the thermofuse connector from the stay. Open the clamshell and stand it straight up. (See’’Transport Belt Replacement” sec- 10. Remove the thermofuse. tion.) NOTE: * When installing the thermofuse, be sure Remove the fusing unit cover (2 screws).

  • Page 98: Hot Roller Strippers Replacement

    August 1, 1985 Hot Roller Strippers Replacement Open the front cover. Remove the exit cover. Open the exit assembly (2 screws) Remove the hot roller strippers together with springs. NOTE: * It is advisable to replace the hot roller strippers as a set. 5-31...

  • Page 99: Exit Sensor Replacement

    August 1, 1985 Exit Sensor Replacement Remove the lower left cover (2 screws). Open the front cover. Remove the exit cover (2 screws). Open the exit assembly and remove the exit assembly (2 screws). Remove the transport guide plate (2 screws). (See "Transport Belt Replacement"...
  • Page 100 August 1, 1985 5-6. Corona Charge Corona Wire Replacement ............5-34 Transfer Corona Wire Replacement .
  • Page 101 August 1, 1985 Charge Corona Wire Replacement Open the clamshell and remove the master unit. (See “Erase Lamp Replacement” sec- tion.) Remove the charge corona unit (1 screw and plug). Remove the front endblock cover by sliding gently. Remove the rear endblock cover by sliding gently together with the charge corona wire.
  • Page 102 Transfer Corona Wire Replacement Open the clamshell and remove both the lower rear cover and front cover. Remove the transfer corona unit (1 stud screw and 1 plug). Remove the front endblock cover gently. Slide the rear endblock cover to the rear and then remove it together with the transfer co- rona wire.
  • Page 103 5-7. Copy Image FT2050 ..... . . Auto ID Sensor Adjustment ......

  • Page 104: Auto Id Sensor Adjustment

    February 1, 1986 Auto ID Sensor Adjustment Turn off the main switch. 2. Remove the master unit. (See “Erase Lamp Replacement” section.) 3. Move the slider to the home position. NOTE: * When the slider is at the home position, the sensor pattern is just above the auto ID sensor.

  • Page 105: Leading Edge Registration Adjustment

    Leading Edge Registration Adjustment NOTE: * When adjusting the leading edge . registration, move the slider to the Lay a ruler on the exposure glass as shown in home position and remove the exposure the figure. cover (1 screw). Make a few copies and check that the leading edge registration is within specifications.

  • Page 106: Light Intensity Adjustment

    February 1, 1986 Light Intensity Adjustment (FT2070) NOTE: * When the copier is set at the 3rd image density level, level 3 of the gray scale on the OS-A3 chart should be slightly visi- ble and level 2 should be invisible on the copy.

  • Page 107: Auto Id Sensor Adjustment

    February 1, 1986 Auto ID Sensor Adjustment (FT2070) NOTE: * Do this adjustment as quickly as possi- ble. If it takes over one minute to Adjust the light intensity first. (See “Light adjust, the thermoswitch opens. Intensity Adjustment” section.) Turn off the main switch. Lay three sheets of white copy paper on the exposure glass and turn on DIP switch 101-4 (Test Mode) on the main board.

  • Page 108: Leading Edge Registration Adjustment

    February 1, 1986 Leading Edge Registration Adjustment (FT2070) Lay a scale on the exposure glass, aligning it with the original scale as shown to the right. Make a few copies and check that the leading edge registration is within specification. Leading Edge Registration Specification: O ±...

  • Page 109: Leading Edge Erase Adjustment

    February 1, 1986 Leading Edge Erase Adjustment (FT2070) Lay a scale on the exposure glass, aligning it with the original scale as shown to the right. Make a few copies and check that the leading edge erase is within specification. Leading Edge Erase Specification 3.5 ±...

  • Page 110: Uneven Image Density Adjustment

    February 1, 1986 Uneven Image Density Adjustment (FT2070) Adjust the exposure lamp position. (See “Exposure Lamp Positioning” section.) Make a few copies of the OS-A3 chart and check that the difference in the image density between both sides is within specification. Side-to-side Image Density Specification: Within one level difference between the two gray scales on the OS-A3 chart.

  • Page 111: Horizontal Magnification Adjustment

    February 1, 1986 Horizontal Magnification Adjustment (FT2070) – Resolution Adjustment – Make a few copies of the OS-A3 chart using the 1:1 reproduction ratio and check the resolution. If the resolution is poor, adjust it by rotating the resolution cam to achieve optimum image. –...

  • Page 112: Vertical Magnification Adjustment

    February 1, 1986 Vertical Magnification Adjustment (FT2070) RICOH Make a few copies of OS-A3 chart using the 1 : 1 reproduction ratio and check that the verti- cal magnification is within specification. Vertical Magnification Specification: ± 1% NOTE: * The distance “V” on the copy of the OS-A3 chart copy should be 100 ±...
  • Page 113 SIider Drive Assembly Removal (FT2050) ........

  • Page 114: Master Clutch Lubrication (Ft2050)

    August 1, 1985 Master Clutch Lubrication Remove the slider clutch bracket. (See “Slider Clutch Removal” section.) Remove the 2 allen set screws from the master clutch. Rotate the output hub counterclockwise and remove. NOTE: * Do not pull the hub straight out or else damage to the spring may occur.
  • Page 115 August 1, 1985 Slider Drive Assembly Removal Remove the Slider. (See “Slider Removal” section.) Remove the pulse generator sensor bracket (1 screw and 1 connector). Open the clamshell and remove the master unit. (See’’Erase Lamp Replacement” section.) Remove the slider drive assembly (3 screws, 5 connectors).

  • Page 116: 50Hz/60Hz Conversion

    August 1, 1985 50Hz/60Hz Conversion Remove the 2 clamshell stopper screws and stand the clamshell straight up. (See “Trans- port Belt Replacement” section.) Remove the main motor gear ( part no. 52165860: 50Hz or 52165861: 60 Hz) (1 allen set screw) and set according to the desired electrical frequency as shown to the right.

  • Page 117: Master Clutch Lubrication (Ft2070)

    February 1, 1986 Master Clutch Lubrication (FT2070) Remove the harness from the harness clamp. Remove the pulse generator sensor connector. Remove the timing belt tensioner (1 screw) and the timing belt. Remove the master/development drive pulley (1 E-ring). Remove the master clutch bracket (2 screws). Remove the 2 Allen set screws from the master clutch.
  • Page 118 February 1, 1986 Remove the master clutch sleeve. Rotate the clutch spring counterclockwise and remove. Apply Mobil Temp 78 to the clutch. Re-install the clutch so that the radial end of the spring and the smooth side of the clutch sleeve are facing the pulse generator gear.

  • Page 119: Master Drive Assembly Replacement (Ft2070)

    February 1, 1986 Master Drive Assembly Replacement (FT2070) 8. Apply pressure to the slider drive assembly forcing it in the direction of the main motor, – Master Drive Assembly Removal – then tighten the screws. Remove the upper rear cover. This is-to make sure that the drive relay gear collar and the positioning ring firmly in con- Open the clamshell and remove the master...

  • Page 120: Toner Overflow Sensor Replacement (Ft2070)

    February 1, 1986 Toner Overflow Sensor Replacement (FT2070) NOTE: * Make sure that the copier is in the full size mode (1 : 1 ) before starting the following procedure. Remove the upper left cover and the upper rear cover. Remove the cooling fan (3 screws and 1 con- nector).
  • Page 121 SECTION 6 SORTER CS1040...
  • Page 122 February 1, 1986 6-1. Unpacking Procedure 1. Open the shipping box. 2. Take out the mounting base; then, take out the sorter together with the cushion blocks. 3. Take off the cushion blocks and take the sorter out of the plastic bag. 1) Mounting Base 2) Accessories...
  • Page 123 February 1, 1986 6-2. Accessory Check Check the quantity and condition of the accessories in the box according to the New Equipment Condi- tion Report. Mounting Base ....1pc Proof Tray .
  • Page 124 February 1. 1986 NOTE: To install the sorter on the FT2050 a sorter compatible main board must be obtained. These are available as options. 11 ) Interface Board Type C...
  • Page 125 February 1, 1986 6-3. Installation procedure 1. Install the copier on the mounting base. NOTE: Make sure that the legs rest securely in the cutouts of the mounting base. 2. Install the magnet on the left cover as shown. NOTE: Place the magnet in the bottom right- hand corner of the cutout.
  • Page 126 February 1. 1986 3. Remove the two screws on the exit cover. 4. Install the antistatic brush. Use a screw from step 3 in the left side and the accessory stepped screw in the right side. 5. Install the proof tray where the copy tray nor- mally fits.
  • Page 127 7. Secure the sorter hooks by installing the mounting locks. Separate procedures are needed to install the sorter on the FT2050 and the FT2070. Follow the pro- cedure from step 8 when installing the sorter on the FT2050. Proceed to step 21 when installing the...
  • Page 128 February 1, 1986 8. Remove the rear cover (2 screws) 9. Move the slider to the left by pressing slider lock release lever. Then, lower 10. Replace the main board with the sorter com- patible main board (3 screws and 8 connec- tors).
  • Page 129 February 1, 1986 11. Remove the upper left cover (4 screws). 12. Remove the plastic cap from the docking hole of the upper left cover. 13. Install the harness bracket (2 screws).
  • Page 130 February 1, 1986 Thread the sorter harness through the docking hole and the harness bracket. The sorter harness has two harness bands Place the bushing on the used as markers. sorter harness just behind the first harness band from the connector. Secure the bush- ing in the harness bracket.
  • Page 131 February 1, 1986 17. Couple the connector to CN114 on the main board. 18. Reassemble the copier. 19. Slide the sorter to its normal position. 20. Check the operation in all modes. This completes the sorter installation on the FT2050 6-10...
  • Page 132 21. Open the front cover. 22. Move the slider to the center and push down the release lever to open the top unit. 23. Remove the release lever (1 E-ring). 6-11...
  • Page 133 February 1.1986 24. Remove the inner cover (2 screws). 25. Lower the top unit. 26. Move the slider fully to the right, then remove the upper left cover (4 screws).
  • Page 134 February 1, 1986 27. Remove the rear cover (2 screws). 28. Install the harness bracket (2 screws). 29. Remove the plastic cap from the docking hole of the upper left cover. 6-11-2...
  • Page 135 February 1, 1986 30. Thread the sorter harness through the docking hole and the harness bracket. 31. The sorter harness has two harness bands used as markers. Place the bushing on the sorter harness just behind the second harness band from the connector. Secure the bush- ing in the harness bracket.
  • Page 136 Run the sorter harness above the total counter bracket, and couple the connector to CN114 on the main board. Secure the ground wire to the front machine plate. Reassemble the copier. Slide the sorter to its normal position. Check the operation in all modes. This completes the sorter installation on the FT2070.
  • Page 137 6-4. Preparation for Transporting the Sorter Before moving the sorter from its place of installa- tion, be sure to prepare it for transportation as The sorter may be badly damaged if it is follows. moved without proper preparation. If the bins are not at the home position, turn on the main switch of the copier to move the bins to the home position.
  • Page 138 August 1, 1985 6-5. Roller Drive Belt Replacement Loosen the screws, slide the front and rear covers toward exit end of the sorter, and then remove them. Remove the top cover. Remove the top stay. NOTE: * Be sure that the short edge of the top stay is facing the exit side of the sorter when re-installing.
  • Page 139 August 1, 1985 6-6. Bin Guide Lubrication Remove the lower paper guide. (See “Roller Drive Belt Replacement” section.) Remove all bins from the bin guides. Apply Grease 501 to the grooves of the bin guides. NOTE: * These are three-kinds of bin. Therefore, when installing the bins, be sure that the bins are installed in the cor- rect order.
  • Page 140 SECTION 7 DOCUMENT FEEDER DF36...
  • Page 141 February 1, 1986 7-1. Unpacking Procedure Open the shipping box. Take out the accessory boxes and the machine. Take off the cushion blocks and take the document feeder out of the plastic bag.
  • Page 142 February 1, 1986 7-2. Accessory Check Check the quantity and condition of the accessories in the boxes according to the New Equipment Con- dition Report. Original Table ..... 1pc AC Power Unit .
  • Page 143 February 1, 1986 7-3. Installation Procedure * Before starting the installation, assemble the ac power unit. 1) Connect the interface cord to CN110. 2) Place the bushing on the interface cord just behind the harness band. 3) Secure the bushing in the ac power unit bracket.
  • Page 144 February 1, 1986 3. Remove the release lever (1E-ring). 4. Remove the inner cover (2 screws) 5. Lower the top unit.
  • Page 145 February 1, 1986 6. Move the slider fully to the right, then remove the upper left cover (4 screws). 7. Remove the rear cover (2 screws) 8. Install the ac power unit and the grounding wire of the interface cord on the machine rear plate (2 screws).
  • Page 146 February 1, 1986 9. Connect the dc harness (red connector) to CN111 of the ac power unit. 10. Secure the dc harness into the three wire sad- dles which are mounted on the left underside of the optics unit. 11. Run the dc harness above the total counter bracket, and couple the connector to CN116 on the main board.
  • Page 147 February 1, 1986 12. Couple the ac connectors. * In 240V areas, uncouple the 220V connector (red harness) and couple the 240V connector (black harness): 13. Remove the plastic cap from the docking hole on the rear cover.
  • Page 148 February 1, 1986 14. Thread the interface cord through the docking hole. 15. Reassemble the copier. 16. Pull out the two push-locks and remove the platen cover. 17. Move the slider to the center of the copier, then mount the document feeder so that each of the two catches on the slider are placed between the positioning ridges on the docu- ment feeder.
  • Page 149 February 1, 1986 18. HOLDING THE DOCUMENT FEEDER, press down the four push-locks until they lock. NOTE: If the push-locks are hard to press down, the document feeder is not positioned cor- rectly. Separate the document feeder, then remount it. 19.
  • Page 150 February 1, 1986 21. Close the document feeder and install the original table. 22. Check the feeder operation. 23. Check the feeder registration. Registration standard: 0 ± 3 mm NOTE: The copier registration should have been adjusted to specifications. Adjustment Standard: 0 ± 2 mm 24.
  • Page 151 February 1, 1986 (2) Adjust the registration using DIP switch 101 on the DF main board according to the adjust- ment table. NOTE: When making copies, the lower left cover must be installed. Make sure that the DF main board is cor- rectly mounted.
  • Page 152 February 1, 1986 7-4. Preparation for Transporting the Docu- Originals Table ment Feeder Before moving the document feeder from its place of installation, be sure to prepare it for transportation as follows. The document feeder may be badly damaged if it is moved without proper preparation.
  • Page 153 February 1, 1986 Lower Front Cover Lower Left Cover 7-5. Feed Roller Replacement Remove the lower left cover (2 screws) and lower front cover (2 screws). Remove the left front locking plate (original feed-in side) (1 screw). Remove the front feed bracket (2 screws, bearings, and E-rings).
  • Page 154 February 1, 1986 7-6. Friction Belt Replacement Remove the lower left cover (2 screws) and the lower front cover (2 screws). Remove the front left and rear left locking plates (original feed-in side) from the frame (1 screw each) and swing the transport belt up and away from the feed roller.
  • Page 155 February 1, 1986 7-7. Feed Clutch Lubrication Remove the feed roller assembly. (See “Fric- tion Belt Replacement.”) Allen Set Screw Remove the output hub (1 Allen set screw), the clutch sleeve, and the clutch spring. Apply “Mobil Temp 78” to the clutch spring. Re-install the clutch so that the radial end of the spring and the gear side of the clutch sleeve are facing the feed roller gear.
  • Page 156 February 1, 1986 7-8, Transport Belt Replacement Remove the lower left cover (2 screws) and lower front cover (2 screws). Lower Front Cover Remove the front left locking plate (1 screw). Remove the front right locking plate by sliding the locking plate to the right and then lifting it. Remove the front pressure roller bracket (1 screw).
  • Page 157 February 1, 1986 7-9. Leading Edge Registration Adjustment Adjust the copier leading edge registration before checking the DF leading edge registra- Edge Registration” “Leading tion. (See [copied section.) Draw a line 10 mm from the leading edge of a sheet of copy paper and make a few copies of it in the DF mode.
  • Page 158 7-10. Lift Sensor Replacement Remove the lift sensor cover (2 screws). 2. Remove the lift sensor (1 screw and 1 connec- tor). 7-11. Service Remarks document feeder from When removing the sure that the document the copier, always be feeder is straight up. When closing the document feeder, hold it until completely closed.
  • Page 159 SECTION 8 TROUBLESHOOTING...
  • Page 160 (1) Original is not flat on the (1) Instruct operator to correct original curl. exposure glass. (2) Fiber optics are dirty (FT2050). (2) Clean them with the cleaner. (3) Clean it with a soft cloth. (3) Exposure glass is dirty.
  • Page 161 February 1, 1986 PHENOMENON CAUSES REPAIR (TREATMENTS) DIRTY BACKGROUND (1) Light fatigue of the master (1) Avoid exposing the master unit to unit. light. (Do not leave the machine with the top unit opened for a long time) (2) Exposure glass is dirty. (2) Clean it with a soft cloth.
  • Page 162 February 1, 1986 PHENOMENON REPAIR (TREATMENTS) CAUSES INSUFFICIENT IMAGE (1) Transfer corona wire is dirty. (1) Clean it with cotton swabs. DENSITY (2) Transfer corona wire is (2) Replace the transfer corona wire. broken. (3) Transfer power pack failure. (3) Check the circuit and replace the defective part.
  • Page 163 (3) Deformed toner metering blade. (3) Replace the blade with new one. JITTER (1) Insufficient friction of the (1) Replace the clutch. slider clutch (FT2050). (Forward or Reverse) MISFEED (1) Paper is incorrectly loaded. (1) Load the paper in the cassette correctly.
  • Page 164 Safety function does not work. Master Sensor Self-diagnostic code "E7/E7-71" Self-diagnostic code "E7/E7-71" Home Position Switch Self-diagnostic code "E2" Self-diagnostic code "E2" (FT2050) Slider Home Position Self-diagnostic code "E2-21" Self-diagnostic code "E2-21" Sensor (FT2070) "E2-22", or "E2-24" or "E2-24" Lens Home Position Self-diagnostic code "E2-29"...
  • Page 165 Light copy image Manual Feed Guide Even if the manual feed guide is open, Even if the manual feed guide is closed, Sensor (FT2050) copying is not inhibited. copying is inhibited. Paper Tray Sensor Even if the paper tray is raised, copying...
  • Page 166 February 1, 1986 Sensor/switch Opened Shorted Sorter Switch Copying is inhibited, even when sorter is Copying is not inhibited, even when sorter (Sorter) engaged with copier. is slid away from copier. Paper Sensor Misfeed will occur. Check Sorter Paper Path indicator is displayed at power on.
  • Page 167 August 1, 1985...
  • Page 168 Definition Lights if the home position SW does not turn on within 4 s after the start key is pressed. Lights if the home position SW is off, when the slider starts forward drive. Lights if home position SW does not turn off within 1 s after the slider starts.
  • Page 169 Lights if the temperature detected by the TH does not reach 2°C within 5 s after the main switch turns on. Lights if the temperature detected by does not reach 125°C within 75 s after the main switch turns on. Lights if the temperature detected by the TH higher than 270°C.
  • Page 170 August 1. 1985 Definition received a pulse from the pulse Lights if the CPU does not s during a copy cycle. generator for 1.6 Possible causes Main motor failure Relay board defective Timing belt broken or out of place Main board defective Pulse generator defective...
  • Page 171 August 1, 1985 Definition Lights if the CPU does not detect the sensor plate within 6 s after belt rotation. Possible causes master unit installed Main board defective Master sensor defective Master unit defective...
  • Page 172 August 1, 1985 8-14...
  • Page 174 February 1, 1986 <E2-28 > (optics board checking) 1. Lights if the lens home position sensor does not change from LOW to HIGH within 6 seconds when the lens moves from the reduction to the Definition enlargement side. <E2-20 > (main board check) 1.
  • Page 175 February 1, 1986 <E2-29 > (optics board checking) 1. Lights if the lens home position sensor does not change from HIGH to LOW within 6 seconds when the lens moves from the enlargement to the reduction side. <E2-2E > (optics board checking) 1.
  • Page 176 February 1, 1986 Definition <E5-52 > Lights the temperature detected by the ther- mister does not reach 125°C within 75 seconds after the main switch turns on. <E5-53 > 1. Lights if the temperature detected by the ther- mistor is higher than 270°C. <E5-55 >...
  • Page 177 E6 Functional Drive Definition <E6-61 > 1. Lights if the CPU does not receive a pulse from the pulse generator for 1.6s during a copy cycle. Possible causes <E6-61 > 1. Main motor failure 2. Ac drive board defective 3. Main board defective 4.
  • Page 178 February 1, 1986 E7 Master Unit Definition <E7-71 > Lights if the CPU does not detect the sensor plate within 6s after belt rotation starts. Possible causes <E7-71 > No master unit installed 2. Main board defective 3. Master sensor defective 4.
  • Page 179 Definition <E9-93 > Lights if an irregular signal is sent from the optics board to the main board. causes Possible <E9-93 > 1. Optics board defective 2. Main board defective 8-21...
  • Page 180 February 1, 1986 EA Sorter Definition <EA-A 1> 1. Lights if the bin drive motor rotates for longer than 12 seconds. Possible causes < E A - A 1 > 1. Bins out of position 2. Home position switch open Fuse (FU102) open 4.
  • Page 193 RICOH FT2010/M100 F I E L D S E R V I C E M A N U A L RICOH COMPANY LTD.
  • Page 194 November 1, 1986 CONTENTS SECTION 10: INSTALLATION REQUIREMENTS SECTION 11: UNPACKING AND INSTALLATION SECTION 12: PREPARATIONS FOR TRANSPORTING THE COPIER SECTION 13: SERVICE TABLES AND REMARKS SECTION 14: REPLACEMENT AND ADJUSTMENT SECTION 15: TROUBLES-HOOTING SECTION 16: ELECTRICAL DATA...

  • Page 195: Installation Requirements

    SECTION 10 INSTALLATION REQUIREMENTS...
  • Page 196 November 1, 1986 10-1. Environment 10°C to 30°C Temperature Range : If the installation place is air-conditioned or heated, (50°F to 86°F) place the machine: 2. Humidity Range 15% to 90% RR Where it will not be subjected to sudden temperature changes from low to high, or vice 3.
  • Page 197 November 1, 1986 10-2. Minimum Space Requirements More than 12 cm (4-3/4") Front : 70cm (27-1/2") 2. Back : 12cm (4-3/4") 3. Right : 70cm (27-1/2") 4. Left : 70cm (27-1/2") 10-3. Power Source 3. Permissible extension cord: Input voltage level At least 300V, 30A capacity and less than 5m 110V/60Hz : More than 11A 115V/60Hz : More than 11A...

  • Page 198: Unpacking And Installation

    SECTION 11 UNPACKING INSTALLATION...
  • Page 199 November 1, 1986 11-1. Unpacking Procedure Take out the accessory box and the machine. 2. Remove the two cushion blocks. 3. Open the vinyl bag and take out the machine.
  • Page 200 November 1 , 1986 4. Check that the accessories are in the quan- tities according to the following list. 1) Copy Tray ......2) PaperTray .
  • Page 201 November 1, 1986 11-2. Installation Procedure Remove the three strips of tape. 2. Open the front ‘cover. 3. Move the slider to the center and push down the release lever to open the top unit. 11-3...
  • Page 202 November 1, 1986 4. Remove the roller retainer. 5. Remove the silica gel. 6. Remove the toner tank cover and the two strips of tape. 11-4...
  • Page 203 November 1, 1986 Do not touch the master (purple material) and avoid exposing it to light. 8. Insert the master unit into the copier. 9. Peel off the polyester cover that protects the master. 11-5...
  • Page 204 November 1, 1986 10. Push the master unit up until it locks in place. 11. Remove the cushion block, the friction pad cover, and two strips of tape from the paper tray. 12. Install the paper tray on the right side of the machine.
  • Page 205 November 1, 1986 13. Shake the new cartridge of toner well. 14. Set the pins of the toner cartridge into the slots on the development unit. Then, turn the cartridge counterclockwise. 15. Install the cartridge crank onto the shaft and turn the cartridge crank clockwise to strip off the cartridge seal.
  • Page 206 November 1, 1986 17. Close the front cover. 18. Install the copy tray on the left side of the machine. 19. When not using this instruction booklet, place it in the holder on the back of the copier. 20. Check machine operation and copy quality. Fill out the New Equipment Condition Report.
  • Page 207 November 1, 1986 11-3. Main Transformer Conversion (220 to 240V only) 1. Open the top unit and remove the develop- ment unit. 2. Swing up the upper feed guide (1 screw). 3. Remove the lower feed guide (4 screw). 4. Uncouple the 220V connector and couple the 240V connector.
  • Page 208 11-4. Key Counter Holder Installation Note: Three types of counters are recommended for this copier (Ricoh, Hecon, and Hengstler key counters). 1. Remove the upper right cover (4 screws.) 2. Remove the key counter cover and fixing plate from the key counter bracket (2 screws).

  • Page 209: Preparations For Transporting The Copier

    SECTION 12 PREPARATIONS FOR TRANSPORTING THE COPIER...
  • Page 210 November 1, 1986 Before moving the copier from its place of installa- tion, be sure to prepare it for transportation as follows. The copier may be badly damaged if it is moved without proper preparation. 12-1. Short Distance (Room to Room) Remove the copy tray and paper tray.
  • Page 211 November 1, 1986 12-2. Long Distance (by vehicle) Remove the copy tray and paper tray. 2. Open the clamshell and secure the develop- ment unit with strips of tape. 3. Secure the slider and power supply cord with strips of tape.

  • Page 212: Service Tables And Remarks

    SECTION 13 SERVICE TABLES AND REMARKS...
  • Page 213 November 1, 1986 13-1. Maintenance Guide NOTE: This guide shows the items to be cleaned and their effect on the copies if they are not clean. Clean these items as per the maintenance table. 13-1...
  • Page 214 November 1, 1986 13-2. Maintenance Table NOTE: When you visit the customer for a service call, perform the following. SECTION ITEM TO BE CLEANED MATERIAL TO BE USED Erase and Optics 1. Erase Lamp/Master Sensor Soft Cloth (Water) or Blower Brush 2.
  • Page 215 November 1, 1986 MATERIAL TO BE USED SECTION ITEM TO BE CLEANED Paper Feed 1. 1st Relay Roller Soft Cloth (Water) Soft Cloth (Water) 2. 2nd Relay Roller Transport 3. Registration Roller Soft Cloth (Water) 4. Paper Guide Plates Soft Cloth (Water) Soft Cloth (Water) 5.
  • Page 216 November 1. 1986 13-3. Lubrication Table NOTE: Lubrication must be done within the number of copies indicated in the following table. SECTION ITEM TO BE LUBRICATED NO. OF COPIES LUBRICATING MATERIAL Erase and 1. Fiber Optics Holder As Necessary Grease-501 Optics Paper Feed 1.
  • Page 217 November 1, 1986 13-4. Expected Life of Parts NOTE: Main parts have the following expected service life. EXPECTED SERVICE LIFE SECTION PART DESCRIPTION 60 K (Black) 1. Toner Metering Blade Development 6 K (Color) 60 K 1. Tray Friction Pad Paper Feed and Transport 1 2 0 K...
  • Page 218 13-5. Special Tools and Lubricants DESCRIPTION PART NO. REMARKS 5 2 1 6 9 0 0 3 Positioning Ring 5 4 2 0 9 5 0 2 100 sheets/set Test Chart OS-A3 BECKMAN RMS3030 Digital Multimeter 5 4 2 0 9 5 0 7 5 4 2 0 9 5 0 8 BECKMAN DL241 Deluxe Test Lead...
  • Page 219 November 1, 1986 13-6. Points to Remember Master Unit Charge The variable resistor (VR-C) is factory preset Never touch the master belt and do not apply and should not be adjusted in the field. oil or an organic solvent to prevent the master belt from being deformed.
  • Page 220 Development Transfer The variable resistor (VR-T) on the transfer/ When white vertical lines appear on the copy, use the toner agitator to clean the toner bias power pack is factory preset and should not be adjusted in the field. metering blade. Do not touch the transfer corona wire with oily Do not use the toner agitator unless copy hands.
  • Page 221 November 1, 1986 Fusing Be careful not to damage the hot roller strip- pers. Do not touch the fusing lamp with your bare hands. Make sure that the fusing lamp does not con- tact the hot roller. Clean the fusing thermistor and hot roller strippers at every service call.

  • Page 222: Replacement And Adjustment

    S E C T I O N REPLACEMENT AND ADJUSTMENT...
  • Page 223 (refer to FT2050) ........
  • Page 224 (5) Exit Cover (2 screws) Lower Clamshell Front Cover (2 screws) Open the clamshell to remove the screws. NOTE: * When installing the front cover, be sure Lower Rear Cover Lower Left Cover that the tabs engage with the positioning notches.
  • Page 225 Slider Drive Wire Replacement (refer to FT2050) ........
  • Page 226 Exposure Lamp Unit Replacement Remove the upper rear cover and move the slider to the right. Open the front cover and remove the opera- tion panel (2 screws and 1 connector). Remove the upper left cover. Remove the exposure. lamp unit together with exposure lamp bracket (1 screw).
  • Page 227 November 1, 1986 Slider Clutch Removal Remove the slider drive assembly. (See “Slider Drive Assembly Removal” section.) Remove the timing belt and master/develop- ment drive pulley (1 E-ring). Remove the slider clutch bracket (3 screws). 14-5...
  • Page 228 November 1, 1986 Remove the slider reverse gear with the rubber damper and the output hub (1 washer and 1 E-ring). Remove the reverse clutch assembly from the reverse gear shaft. Remove the slider drive gear (1 E-ring and 1 washer).
  • Page 229 Toner Metering Blade Replacement (refer to FT2050) ....... . .
  • Page 230 November 1, 1986 14-4. Paper Feed and Transport Registration Clutch Lubrication ........... . 14-10 Paper Feed Sensor Replacement .

  • Page 231: Registration Clutch Lubrication

    10. Push the registration clutch towards the Registration Clutch Lubrication Tighten the allen set registration roller. screw. Remove the upper rear cover and the lower Idle Gear Shaft Shoulder rear cover. Remove the registration clutch bracket (2 screws, 1 E-ring and 1 bushing). Remove the registration solenoid assembly (1 screw), and slide it to the left.

  • Page 232: Paper Feed Sensor Replacement

    November 1, 1986 Paper Feed Sensor Replacement Open the clamshell. Remove the development unit. Loosen the screw securing the lower rear cover. Swing up the upper paper feed guide plate. Remove the lower feed guide (4 screws and 1 connector). Remove the paper feed sensor bracket with paper feed sensor from the lower feed guide (2 screws).

  • Page 233: Transport Belt Replacement

    November 1.1986 Transport Belt Replacement 10. Remove the 1st transport pulley from the transport belt holder. 1. Remove the copy tray. 11. Remove the transport belt from the holder. 2. Remove the front cover (2 screws), upper rear NOTE: * When reassembling, make sure that the cover (2 screws), and lower rear cover (4 1st transport pulley rides in the small screws).

  • Page 234: Tray Feed Roller Replacement

    November 1, 1986 Tray Feed Roller Replacement Remove the front cover, paper tray, and the lower rear cover. Remove the development unit. Remove the tray feed solenoid (2 screws and 2 harness clamps). Unhook the sector gear spring and the tray feed solenoid spring.
  • Page 235 Unhook the pick-up stay spring. Remove the front and rear screws securing the front and rear feed roller housing. Remove the housing stay and the pick-up stay cover. Remove the E-ring and bushing from the front of the tray feed shaft. Slide the shaft to the rear and lift the front of the tray feed shaft.

  • Page 236: Pick-Up And Tray Feed Clutches Lubrication

    Pick-up and Tray Feed Clutches Lubrication NOTE: * When reinstalling the spring clutches, be sure to insert the projections of the Remove the lower rear cover. clutch springs into the notches. * When replacing the paper feed clutch Remove the tray feed solenoid (2 screws and bracket, secure it with the three screws, 2 harness clamps).

  • Page 237: Paper Length Sensor Replacement

    November 1, 1986 Paper Length Sensor Replacement Open the clamshell. Remove the development unit. Remove the paper tray. Remove the length sensor cover (2 screws). Remove the screw securing the length sensor bracket and slide the bracket to the right. Remove the length sensor (1 screw and 1 connector).
  • Page 238 Hot Roller Replacement (refer to FT2050) ........

  • Page 239: Pressure Roller Replacement

    Pressure Roller Replacement Remove the hot roller. (See “Hot Roller Rep- lacement” section.) Remove the transport belt gear bracket (2 screws). Remove the 2 idle gears as shown to the right (1 E-ring each). Remove the rear hot roller bearing. Remove the upper transport guide plate (2 push-locks) and lower transport guide plate (2 stud screws).

  • Page 240: Thermistor Replacement

    November 1, 1986 Thermistor Replacement Open the clamshell and stand it straight up. (See “Transport Belt Replacement” sec- tion.) Remove the fusing unit cover (2 screws). Remove the fusing stay (4 screws). (See “Hot Roller Replacement” section.) Remove the upper transport guide pIate (2 push-locks) and lower transport guide plate (2 stud screws).

  • Page 241: Thermofuse Replacement

    November 1, 1986 Thermofuse Replacement 9. Lift the thermofuse stay and remove the ther- mofuse harness from the stay. Open the clamshell and stand it straight 10. Remove the thermofuse. up. (See “Transport Belt Replacement” sec- tion.) NOTE: * When installing the thermofuse, be sure to route the wire properly as shown in Remove the fusing unit cover (2 screws).

  • Page 242: Hot Roller Strippers Replacement

    November 1, 1986 Hot Roller Strippers Replacement Remove the exit cover (2 screws). Open the exit assembly (2 screws). Remove the hot roller strippers together with springs. NOTE: * It is advisable to replace the hot roller strippers as a set. 14-21...

  • Page 243: Exit Sensor Replacement

    November 1.1986 Exit Sensor Replacement Remove the exit cover (2 screws). Open the exit assembly and remove the exit assembly (2 screws). Remove the upper transport guide plate (2 push-locks) and lower transport guide plate (2 stud screws). (See “Transport Belt Replace- ment”...
  • Page 244 14-6. Corona Charge Corona Wire Replacement (refer to FT2050) ........5-34 Transfer Corona Wire Replacement (refer to FT2050) .
  • Page 245 14-7. Copy Image Auto ID Sensor Adjustment ............14-26 Leading Edge Registration Adjustment .
  • Page 246 November 1, 1986 Auto ID Sensor Adjustment off the main switch. Turn 2. Remove the master unit. (See “Erase Lamp Replacement” section.) the slider to the home position. Move NOTE: * When the slider is at the home position, the sensor pattern is just above the auto ID sensor.
  • Page 247 November 1. 1986 Leading Edge Registration Adjustment NOTE: * When adjusting the leading edge registration, move the slider to the Lay a scale on the exposure glass as shown in home position and remove the exposure the figure. sensor cover (1 screw). Make a few copies and check that the leading edge registration is within specifications.
  • Page 248 November 1, 1986 Leading Edge Erase Adjustment Lay a scale on the exposure glass, aligning it with the original scale as shown to the right. Make a few copies and check that the leading edge erase is within specification. Leading Edge Erase Specification Connect 0: Cut 2.1 ±...
  • Page 249 2. When connecting or cutting JP1 on the dc power supply board. Open the clamshell. Stand the clamshell straight up. (See “Transport Belt Replace- ment” section.) Loosen the screw securing the transfer guide plate. Remove the transfer guide plate (2 springs).
  • Page 250 Slider Drive Assembly Removal (refer to FT2050) ........5-43...
  • Page 251 November 1, 1986 Paper Size Sensor Check Turn off the main switch. Remove the exposure sensor cover (1 screw). Turn on DIP SW 4 (test mode). Turn on the main switch. Repeatedly press the Copy Quantity key until 6 is displayed in the copy counter. Press the Start key to start the test mode.

  • Page 252: Troubleshooting

    SECTION 15 TROUBLESHOOTING...
  • Page 253 November 1, 1986 15-1. Copy Quality Problems PHENOMENON CAUSES REPAIR (TREATMENTS) (1) Clean them with the cleaner. UNEVEN IMAGE DENSITY (1) Fiber optics are dirty. (2) Clean it with the cleaner. (2) Charge corona wire is dirty. (3) Charge corona wire is mounted (3) Check the wire is in the V-slot.
  • Page 254 November 1, 1986 PHENOMENON REPAIR (TREATMENTS) CAUSES DIRTY BACKGROUND (1) Light fatigue of the master (1) Avoid exposing the master unit to unit. light. (Do not leave the machine with the top unit opened for a long time) (2) Exposure glass is dirty. (2) Clean it with a soft cloth.
  • Page 255 REPAIR (TREATMENTS) PHENOMENON CAUSES INSUFFICIENT IMAGE (1) Transfer corona wire is dirty. (1) Clean it with cotton swabs. DENSITY (2) Transfer corona wire is (2) Replace the transfer corona wire. broken. (3) Transfer power pack failure. (3) Check the circuit and replace the defective part.
  • Page 256 November 1, 1986 PHENOMENON CAUSES REPAIR (TREATMENTS) WRINKLED COPY (1) Paper is curled. (1) Correct the paper curl. (2) Paper is damp. (2) Change the paper on the paper tray. BLACK LINES (1) Thermistor is dirty. (1) Clean it with a damp cloth. (2) Clean them with a damp cloth.
  • Page 257 November 1, 1986 15-2. Defective Sensor/Switch Table Sensor/switch Opened Shorted Safety Switch Copier can not be powered. Safety function does not work. Master Sensor Self-diagnostic code "E7" Self-diagnostic code "E7" Home Position Switch Self-diagnostic code "E2" Self-diagnostic code "E2" Pulse Generator Self-diagnostic code "E6"...
  • Page 258 November 1, 1986 Sensor/switch Opened Shorted Exit Sensor Misfeed will occur. Check Paper Path indicator is displayed at power on. (Initial Jam Check) Paper Width Sensors CPU may detect wrong paper size. CPU may detect wrong paper size. Paper Length Sensor CPU may detect wrong paper size.
  • Page 259 November 1, 1986 15-3. Self Diagnostic Code Troubleshooting E 1 Exposure Definition light intensity is too weak. intensity is too strong. Possible causes Exposure sensor open or shorted Exposure lamp stabilizer defective Exposure lamp broken Main board defective NOTE : 15-7...
  • Page 260 November 1, 1986 Definition Lights if the home position SW does not turn on within 4 s after the start key is pressed. Lights if the home position SW is off, when the slider starts forward drive. Lights if home position SW does not turn off within 1 s after the slider starts.
  • Page 261 November 1, 1986 Definition Lights if the home position SW does not turn on within 4 s after the start key is pressed. Lights if the home position SW is off, when the slider starts forward drive. Lights if home position SW does not turn off within 1 s after the slider starts.
  • Page 262 November 1, 1986 E 6 Functional Drive Definition Lights if the CPU does not received a pulse from the pulse generator for 1.6 s during a copy cycle. Possible causes Main motor failure Relay board defective Timing belt broken or out of place Main board defective Pulse generator defective 15-10...
  • Page 263 Definition Lights if the CPU does not detect the sensor plate within 6 s after belt rotation. Possible causes No master unit installed Main board defective Master sensor defective Master unit defective 15-11...

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