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Ricoh A220 Service Manual

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A220 (FT6350)
Service Manual
– Insert Version –
The A220 machine is based on the A175/A176/A177/A191/A192
Copier.
Only the differences from the base copier are described in the
following pages. Therefore, this documentation should be treated
as an insert version of the base copier's service manual. It should
always be utilized together with the base copier's service manual.

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  • Page 1 A220 (FT6350) Service Manual – Insert Version – The A220 machine is based on the A175/A176/A177/A191/A192 Copier. Only the differences from the base copier are described in the following pages. Therefore, this documentation should be treated as an insert version of the base copier’s service manual. It should...
  • Page 2 INSERTION PROCEDURE OF SERVICE MANUAL 1. Replace the binder inserts with the new ones provided. 2. Insert the A220 service manual after the A175/A176/A177/A191/A192 manual.

  • Page 3: Documentation History

    LEGEND PRODUCT COMPANY CODE RICOH GESTETNER A220 (FT6350) 2751 DOCUMENTATION HISTORY REV. DATE DATE COMMENT Original printing 12/97...
  • Page 4 Table of Contents This manual describes new items for the (A220). Please refer to the F401/F411/F421 (A175/A176/A177/A191/A192) manual for the descriptions marked with "*" in page column. 1. OVERALL MACHINE INFORMATION 1. SPECIFICATION........1-1 2.
  • Page 5 3.5 HORIZONTAL LENS POSITIONING ........* A220...
  • Page 6 5.6 TRANSFER BELT CLEANING MECHANISM ......* 5.7 TONER COLLECTION MECHANISM ....... . . * A220...
  • Page 7 7.1 OVERVIEW............* A220...
  • Page 8 (OPTION: EUROPE VERSION ONLY) ....... . * 2.4 PLATEN COVER (OPTION) INSTALLATION ......* A220...
  • Page 9 1.6 DEVELOPMENT UNIT ..........* A220...

  • Page 10: Preventive Maintenance Schedule

    1.2.1 Upper Rear Cover ..........* A220...
  • Page 11 3.1 DEVELOPMENT UNIT REMOVAL........* viii A220...
  • Page 12 6.12 REGISTRATION CLUTCH REMOVAL....... . * 6.13 PAPER DUST CLEANER REMOVAL ....... . * A220...
  • Page 13 8.6.6 Scanner Height Adjustment ........* A220...

  • Page 14: Troubleshooting

    2.3.1 DC Power Supply Board ........* A220...

  • Page 15: Detailed Section Description

    TAB INDEX FOR A220 (FT6350) OVERALL MACHINE INFORMATION DETAILED SECTION DESCRIPTION INSTALLATION SERVICE TABLES AND PROCEDURES REPLACEMENT AND ADJUSTMENT...

  • Page 16: Overall Machine Information

    SECTION 1 OVERALL MACHINE INFORMATION...

  • Page 17: Specification

    , 14 ~ 42 lb Duplex copying: 64 ~ 104 g/m , 17 ~ 24 lb Reproduction Ratios: 4 Enlargement and 6 Reduction A4/A3 Version LT/LDG Version 200% 200% 141% 155% Enlargement 122% 129% 115% 121% Full Size 100% 100% Reduction A220...
  • Page 18 Power Source: 115 V, 60 Hz, more than 20 A (for N.A) 220 ~ 240 V, 50 Hz/60 Hz, more than 10 A (for Europe and Asia) Power Consumption: A220 copier (average) Copier only Full system* Warm up 0.90 kVA 0.92 kVA...
  • Page 19 Zoom: From 50% to 200% in 1% steps Copying Speed: A4/LT (sideways) A3/DLT B4/LG 51 (A4) A220 copier 50 (LT) Warm-up Time: Less than 5 minutes (20°C) First Copy Time: 3.1 seconds (A4/81/2: x 11" sideways from the 1st feed station)
  • Page 20 • 3500-sheet Large capacity tray (A609) • Receiving Tray (A446-05) • Key Counter Bracket D (A509-03) • 20 bin sorter stapler (Floor type) with punch (A606-57, -67: Ricoh, -52, -62: NRG , -55: Savin) • Editing sheet (spare part) A220...

  • Page 21: Machine Configuration

    MACHINE CONFIGURATION 2. MACHINE CONFIGURATION 2.1 COPIER OVERVIEW There are two types of mainframe. A220 - (10, 17, 20, 29:) copiers Three 550-sheet paper trays Optional 3,500-sheet large capacity tray (3,500) A220V500.img A220 - (22: china) copier Two 550-sheet paper trays...

  • Page 22: System Overview

    (A60657, 67, 52, 62, 55) A220V502.img RDH version (The mainframe with recirculating document handler and finisher. The mainframe in the illustration below is the two-tray version.) Recirculating document handler (A607) Finisher (A608) 3,500-sheets large capacity tray (A609) A220V503.img A220...

  • Page 23: Electrical Component Description

    There are no 1,500-sheet LCT, 4th tray, tandem tray, 60 CPM, or 70 CPM versions. Refer to the A175/A176/A177/A191/A192 service manual. You can find those components, which are not used for the A220 copier because the notes for the various versions are indicated in the component name column.

  • Page 24: Detailed Section Descriptions

    SECTION 2 DETAILED SECTION DESCRIPTIONS...

  • Page 25: Development Unit

    The illustration for the paddle roller on page 2-46 and 2-48 is incorrect. Please correct your service manuals, as shown below. This correction has been already issued for the A175/A176/A177/A191/A192 copiers. Incorrect A220D502.wmf A220D503.wmf A220D504.wmf Correct A220D505.wmf A220D506.wmf A220D507.wmf A220...

  • Page 26: Paper Feed

    A220D500.wmf This model has two or three drawer tray paper feed stations. The following table shows the configuration of each feed stations of the copiers. A220 - 10, 17, 20, 29 A220 - 22 Feed station three tray copiers two tray copiers...

  • Page 27: Paper Lift Mechanism

    When the machine detects that the paper tray is set in the machine, the lift motor [A] rotates and the coupling gear [B] on the tray lift motor engages the pin [C] of the lift arm shaft [D], then turns the tray lift arm [E] to lift the tray bottom plate [F]. A220...
  • Page 28 Auto off timer: To conserve energy, this copier automatically turns off at the selected time after the last copying job has been completed. The maximum limit of the selectable time has been changed from 120 minutes to 240 minutes. Refer to the A175/A176/A177/A191/A192 service manual for the other things. A220...

  • Page 29: Installation

    SECTION 3 INSTALLATION...

  • Page 30: Copier Installation

    2.1 ACCESSORY CHECK Check the quantity and condition of the accessories in the box according to the following list: Description Q’ty 1. Sensor Cover ..............1 2. Flat Head Screw 4 x 6 ............1 3. Leveling Shoes ..............2 A220...

  • Page 31: Copier Installation Procedure

    [B] can be screwed up or down.) Extra leveling shoes (AH013008) and leveling feet (AH011004) are available as spare parts. 1. Remove the tape strips. NOTE: There are neither 1,500-sheet LCT or 4th feed station versions. Refer to the A175/A176/A177/A191/A192 service manual for installation. A220...

  • Page 32: Service Tables

    SECTION 4 SERVICE TABLES...

  • Page 33: Service Remarks

    1.12 OTHERS 1. This machine has re-manufactured parts, which are selected from dis-assembled machines in the Japanese domestic field. Note that there are old and new parts in the machine. A220...

  • Page 34: Service Program Mode Table

    A192 service manual. A175M500.img The A220-22 copier does not have the 3rd and 4th trays. The other A220 copiers do not have 4th tray. In the SP mode there are 3rd and 4th tray settings [A,B] because the software is the same as for the A175/A176/ A177/A191/A192 copiers.
  • Page 35 Select "N" in the field. and detect toner supply mode. Default: Toner Supply level Toner Supply Coeffcient x 0.3 x 0.5 x 1.0 Max. Toner Supply Ratio 30% 60% 90% NOTE: This item has been applied to the A175/A176/A177/A191/A192 copiers. A220...
  • Page 36 (0.5 V/step). Default: 65.0 V Adjusts the transfer current for the 1st Standard Data: side (1 µA/step). 40 µA (A175, A220), 45 µA (others) Default: 40 µA (A175, A220) Enter the setting using the number keys, 50 µA (others) then touch...
  • Page 37 SERVICE PROGRAM MODE SP SPECIAL FEATURES PAGE 1 û A220M503.img Item Function Setting Default Selects copy count up or down. Count Up Count Down NOTE: The Default has been corrected for all the versions (A175/A176/A177/ A191/A192/A220). A220...
  • Page 38 Enables automatic feed-out of the last Enable copy on the duplex tray without copying when an odd number of originals is set on the DJF feed tray. Disable NOTE: The Default has been corrected for all the versions (A175/ A176/A177/A191/A192/A220). A220...

  • Page 39: Preventive Maintenance Schedule

    The hot roller thermistor PM action has been revised. Please see the following table. *: These items have been revised for all the versions (A175/A176/A191/A192/ A220). NOTE 6: Fusing Section 1. Do not apply silicone oil on the hot roller thermistor.

  • Page 40: Replacements And Adjustments

    SECTION 5 REPLACEMENTS AND ADJUSTMENTS...

  • Page 41: Cleaning Blade Replacement

    A220R516.wmf A220R517.wmf *NOTE: The callouts ([E] and [F]) have been added to the illustration for all the versions (A175/A176/A177/A191/A192/A220). 1. Remove the OPC drum. (Refer to Drum Unit Removal and OPC Drum Replacement.) 2. Remove the cleaning blade [A] (2 screws).

  • Page 42: Pick-Off Pawl Replacement

    DRUM UNIT 4.7 PICK-OFF PAWL REPLACEMENT A220R518.wmf *NOTE: Step1 has been added for all the versions (A175/A176/A177/A191/ A192/A220). 1. Remove the pick-off pawl bracket. (Refer to Cleaning Blade Replacement.) 2. Remove the bushing [A] (1 screw and retaining ring). 3. While pulling the shaft [B] to the rear, turn the pick-off pawl about 45 degree clockwise (front view) and move up the pick-off pawl.

  • Page 43: Paper Feed

    6.18 NOTE for the PAPER FEED UNIT -OLD- Blue circle A220R519.wmf -OLD- 12.5 mm -NEW- 7.5 mm A220R520.wmf There are two types of the paper feed unit. One type has a blue circle on its rear side plate (A220 only). A220...

  • Page 44: Fusing Thermistor Replacement

    5. Remove the fusing unit upper cover [D] (1 screw). 6. Replace the thermistor [E] (1 screw, 1 connector). NOTE: When re-assembling the fusing unit, secure the harness in the clamps correctly. Do not apply silicon oil on the hot roller thermister. A220...

  • Page 45: Fusing Pressure Adjustment

    Front A220R523.wmf A220R524.wmf NIP BAND WIDTH ADJUSTMENT STANDARD: 8.1 ± 0.8 mm (A175, A220), 10.0 ± 0.5 (others) 1. Make a black copy (sky shot, A3/Double Letter paper). 2. As soon as the paper starts to exit, open the left door to stop the paper in the fusing unit.
  • Page 46 8.5 JOGGER MOTOR REPLACEMENT A220R503.wmf A220R504.wmf – A220 only – 1. Take out the duplex unit. (Refer to the duplex unit removal.) 2. Remove the duplex front cover (3 screws). 3. Slide the lever [A] to the rear then open the separation belt unit [B].
  • Page 47 12. Remove the front jogger fence [D] and the rear jogger fence [E] (1 screw each). 13. Remove the duplex tray [F] (3 screws and a connector). NOTE: To release the hooks [G], slide the duplex tray to the upper left as shown. A220...
  • Page 48 18. Remove the pressure arm solenoid [G] (1 screw). 19. Replace the jogger motor [H] (2 screws). NOTE: When installing the drive pulley [I] to the jogger motor shaft, align the shaft head [J] with the pulley head [H]. 20. Re-assemble the duplex unit. A220...
  • Page 49 4) Under the above condition, place the front jogger fence bracket [H] to the front end position (until the bracket [H] touches the front screw). 5) Install the stopper [I] to fix the front jogger fence bracket with the wire. A220...
  • Page 50 7) After re-assembling the duplex unit, adjust the jogger fence width so that the distance between both side fences become 1 mm wider than the paper size, when paper is set on the duplex tray. SP Adjustment - PAGE 10.) A220 5-10...

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