Olivetti MB-502 Service Manual
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Olivetti MB-502 Service Manual

Olivetti MB-502 Service Manual

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Option Printer
MB-502
SERVICE MANUAL
Code Y109730-6

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Summary of Contents for Olivetti MB-502

  • Page 1 Option Printer MB-502 SERVICE MANUAL Code Y109730-6...
  • Page 2 PUBLICATION ISSUED BY: Olivetti S.p.A. 77, Via Jervis - 10015 Ivrea (TO) Italy Copyright © 2008, Olivetti All rights reserved...

  • Page 3: Revision History

    Revision history After publication of this service manual, the parts and mechanism may be subject to change for improvement of their performance. Therefore, the descriptions given in this service manual may not coincide with the actual machine. When any change has been made to the descriptions in the service manual, a revised version will be issued with a revision mark added as required.

  • Page 4: Table Of Contents

    Field Service Ver. 1.0 Jun. 2008 CONTENTS MB-502 Outline Product specifications ..................... 1 Maintenance Other ........................3 Disassembly/Adjustment prohibited items ............3 Disassembly/Assembly/Cleaning list (other parts)..........4 2.2.1 Disassembly/Assembly parts list..............4 2.2.2 Cleaning parts list ..................4 Disassembly/Assembly procedure................ 4 2.3.1...
  • Page 5 Field Service Ver. 1.0 Jun. 2008 Troubleshooting Jam display ......................21 Misfeed display ....................21 7.1.1 Misfeed display resetting procedure ............21 Sensor layout...................... 22 Solution ......................23 7.3.1 Initial check items ..................23 7.3.2 Misfeed at manual bypass feed section ............23 Trouble code ......................

  • Page 6: Outline

    Field Service Ver. 1.0 Jun. 2008 1. Product specifications Outline Product specifications A. Type Name Multiple Bypass Tray Installation Screwed to the copier Registration Center B. Paper Type Paper source (maximum tray capacity) Copy paper type Plain paper 100 sheets (60 to 90 g/m , 16 to 24 lb) Thick paper 1...
  • Page 7 1. Product specifications Field Service Ver. 1.0 Jun. 2008 C. Machine specifications ± Power Requirements DC 24 V 10 % (supplied from the main body) ± DC 5 V Max. Power 27 W or less Consumption Dimensions 472 mm (W) × 456 mm (D) × 102 mm (H) 18.6 inch (W) ×...

  • Page 8: Maintenance

    Field Service Ver. 1.0 Jun. 2008 2. Other Maintenance Other Disassembly/Adjustment prohibited items A. Paint-locked screws NOTE • To prevent loose screws, a screw lock in blue or green series color is applied to the screws. • The screw lock is applied to the screws that may get loose due to the vibrations and loads created by the use of machine or due to the vibrations created during transportation.

  • Page 9: Disassembly/Assembly/Cleaning List (Other Parts)

    2. Other Field Service Ver. 1.0 Jun. 2008 Disassembly/Assembly/Cleaning list (other parts) 2.2.1 Disassembly/Assembly parts list Section Part name Ref. page Manual bypass tray feed roller Rollers Manual bypass tray separation roller Manual bypass tray left cover Exterior parts Manual bypass tray right cover Manual bypass tray upper cover Unit Manual bypass tray unit...
  • Page 10 Field Service Ver. 1.0 Jun. 2008 2. Other 3. Remove the gear [1]. A0EPF2C002DA 4. Snap off the C-clip [1] and slide the manual bypass feed roller [2] in the direction of the arrow. A0EPF2C003DA 5. Remove two C-lings [1] and the bearing [2].

  • Page 11: Manual Bypass Tray Separation Roller

    2. Other Field Service Ver. 1.0 Jun. 2008 6. Remove the manual bypass tray feed roller [1]. A0EPF2C005DA 7. To reinstall, reverse the order of removal. 2.3.2 Manual bypass tray separation roller 1. Remove the manual bypass tray unit. See P.8 2.

  • Page 12: Manual Bypass Tray Left Cover / Manual Bypass Tray Right Cover / Manual Bypass Tray Upper Cover

    Field Service Ver. 1.0 Jun. 2008 2. Other 4. Snap off the C-ling [1], and remove the spring [2] and the guide plate [3]. Remove the manual bypass tray separation roller [4]. A0EPF2C008DA 5. To reinstall, reverse the order of removal. 2.3.3 Manual bypass tray left cover / Manual bypass tray right cover / Manual bypass tray upper cover...

  • Page 13: Manual Bypass Tray Unit

    2. Other Field Service Ver. 1.0 Jun. 2008 2.3.4 Manual bypass tray unit 1. Open the right door. 2. Remove four screws [1], and remove the right rear cover [2] of the main body. A0EPF2C010DA 3. Close the right door. 4.
  • Page 14 Field Service Ver. 1.0 Jun. 2008 2. Other 7. Remove four screws [1]. A0EPF2C013DA 8. Loosen the screw [1], and remove the manual bypass tray unit [2]. A0EPF2C014DA NOTE • When installing the multi bypass unit, fit the position of dowel shown in the left illustration.

  • Page 15: Cleaning Procedure

    2. Other Field Service Ver. 1.0 Jun. 2008 Cleaning procedure NOTE • The alcohol described in the cleaning procedure represents the isopropyl alcohol. 2.4.1 Manual bypass tray feed roller 1. Remove the manual bypass tray unit. See P.8 2. Using a cleaning pad dampened with alcohol, wipe the manual bypass tray feed roller [1] clean of dirt.

  • Page 16: Adjustment/Setting

    Field Service Ver. 1.0 Jun. 2008 3. How to use the adjustment section Adjustment/Setting How to use the adjustment section • “Adjustment/Setting” contains detailed information on the adjustment items and proce- dures for this machine. • Throughout this “Adjustment/Setting,” the default settings are indicated by “ ”. Advance checks Before attempting to solve the customer problem, the following advance checks must be made.

  • Page 17: State Confirmation

    4. State Confirmation Field Service Ver. 1.0 Jun. 2008 State Confirmation Check procedure A. Procedure 1. Call the Service Mode to the screen. See P.146 of the main body service manual. 2. Touch [State Confirmation]. 3. Touch [Sensor Check (Printer)]. 4.

  • Page 18: Machine Adjustment

    Field Service Ver. 1.0 Jun. 2008 5. Machine Adjustment Machine Adjustment Printer Area 5.1.1 Leading Edge Adjustment NOTE • Make this adjustment after any of the following procedures has been performed. When the PH unit has been replaced. When the image on the print is offset in the sub scan direction. A faint image occurs on the leading edge of the image.

  • Page 19: Centering

    5. Machine Adjustment Field Service Ver. 1.0 Jun. 2008 5.1.2 Centering NOTE • Make this adjustment after any of the following procedures has been performed. When the PH unit has been replaced. When the image on the print is offset in the main scan direction. 1.
  • Page 20 Field Service Ver. 1.0 Jun. 2008 5. Machine Adjustment 9. Loosen two screws [1]. A0EPF3C506DA 10. Watching the gradations [1] provided in the multi bypass tray, move the edge guide [2] position. • If width A is greater than the specified value, move the edge guide toward the right.

  • Page 21: Centering (Duplex 2Nd Side)

    5. Machine Adjustment Field Service Ver. 1.0 Jun. 2008 5.1.3 Centering (Duplex 2nd side) NOTE • Make this adjustment after any of the following procedures has been performed. When the PH unit has been replaced. The image on the backside of the 2-sided copy deviates in the main scan direction. 1.

  • Page 22: Manual Bypass Tray Adjustment

    Field Service Ver. 1.0 Jun. 2008 5. Machine Adjustment Manual Bypass Tray Adjustment NOTE Make this adjustment after any of the following procedures has been performed. Upon setup of the Manual bypass tray unit. Use when the manual bypass paper size unit of the manual bypass guide has been changed.
  • Page 23 5. Machine Adjustment Field Service Ver. 1.0 Jun. 2008 7. Touch [Min. Width]. 8. Place the adjustment sheet (width: 100 mm) [1] on the manual bypass tray as illustrated. 9. Press the Start key. A0EPF3C504DA 10. Check that “OK” appears beside [Min.

  • Page 24: Mechanical Adjustment

    Field Service Ver. 1.0 Jun. 2008 6. Mechanical adjustment Mechanical adjustment Adjustment of the bypass paper size unit NOTE • This adjustment must be made in the following case: The bypass paper size unit has been removed. 1. Install the gear so that the protrusion of the gear [1] and the mark [3] on the bypass guide rack gear [2] are aligned in a straight line.
  • Page 25 6. Mechanical adjustment Field Service Ver. 1.0 Jun. 2008 3. When the bypass paper size unit base is mounted, align the lever position of the bypass paper size unit with the tab at the center in a straight line. 4038F3C512DA 4.

  • Page 26: Troubleshooting

    Field Service Ver. 1.0 Jun. 2008 7. Jam display Troubleshooting Jam display Misfeed display • When misfeed occurs, message, misfeed location “Blinking” and paper location “Light- ing” are displayed on the touch panel of the main body. A0EPF4C500DA Code Misfeed location Misfeed access location Action 1001...

  • Page 27: Sensor Layout

    7. Jam display Field Service Ver. 1.0 Jun. 2008 Sensor layout A0EPF4C501DA [1] Sensor in front of tim. roller (PS1) Service Manual Y109730-6...

  • Page 28: Solution

    Action Control signal (Electrical components) Initial check items — — d-Color MF201 PS1 I/O check, sensor check PRCB CN1-3 (ON) C to D-19 MB-502 CL5 operation check PRCB CN11-2 (ON) D-2 to 3 PRCB replacement — — Y109730-6 Service Manual...

  • Page 29: Trouble Code

    Check the connector of M1 for proper — — drive coupling and correct as necessary. PS14 I/O check, sensor check PRCB CN10-15 (ON) MB-502 D-5 SD2 operation check PRCB CN11-4 (ON) MB-502 D-3 d-Color MF201 M1 operation check PRCB CN-27-11 to 15...
  • Page 30 UPDATING STATUS DATE UPDATED PAGES PAGES CODE 09/2008 EDITION Y109730-6...

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