Ricoh SR3290 Field Service Manual
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Ricoh SR3290 Field Service Manual

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Booklet Finisher SR3290 / Finisher
SR3280
Machine Code: D3FN / D3G4
Field Service Manual
Ver. 1.0
Latest Release: December, 2018
Initial Release: December, 2018
Copyright (c) 2018 Ricoh Co.,Ltd.

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Summary of Contents for Ricoh SR3290

  • Page 1 Booklet Finisher SR3290 / Finisher SR3280 Machine Code: D3FN / D3G4 Field Service Manual Ver. 1.0 Latest Release: December, 2018 Initial Release: December, 2018 Copyright (c) 2018 Ricoh Co.,Ltd.
  • Page 3 Adobe Systems Incorporated in the United States and/or other countries. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Ricoh Company, Ltd. is under license. Firefox and Thunderbird are registered trademarks of the Mozilla Foundation.
  • Page 4 Dropbox is a registered trademark or trademark of Dropbox, Inc. Google, Android, and Chrome are trademarks of Google Inc. Java is a registered trademark of Oracle and/or its affiliates. Macintosh, OS X, Bonjour, Safari, and TrueType are trademarks of Apple Inc., registered in the U.S. and other countries.
  • Page 5 Microsoft® Windows® 8 Microsoft® Windows® 8 Pro Microsoft® Windows® 8 Enterprise • The product names of Windows 10 are as follows: Microsoft® Windows® 10 Home Premium Microsoft® Windows® 10 Pro Microsoft® Windows® 10 Enterprise Microsoft® Windows® 10 Education • The product names of Windows Server 2003 are as follows: Microsoft®...

  • Page 7: Table Of Contents

    Allowing the Customer to Detach and Reattach the End Fence of the Booklet Tray ......8 Staple Near-End Detection ......................... 8 Specifications............................9 Finisher SR3280 ..........................9 Booklet Finisher SR3290 ........................10 Paper Specifications ......................... 13 Punch Unit PU3090 .......................... 15 Layout ..............................16 General Layout ..........................
  • Page 8 Proof Tray ............................55 Shift Tray (Upper Tray) ........................56 End Fence ............................56 Boards ..............................60 Controller Board (PCB1) ........................60 Corner Stapling Unit, Trailing Edge Alignment Unit ................63 Corner Stapling Unit ......................... 63 Trailing Edge Alignment Unit ......................67 Main Unit (Motors) ..........................

  • Page 10: Detailed Descriptions

    1.Detailed Descriptions 1. Detailed Descriptions Changes from the Previous Machine Improving Stackability of Stapled Sheets • Retraction Mode for Stapled Job Delivery Added To improve the stackability of stapled sheets, the trailing edge alignment unit (framed in yellow) now has a stapled job delivery control system.
  • Page 11 1.Detailed Descriptions [A]: Paper Stacking Holder [B]: Stacking Sponge Roller [C]: Actuator for the Shift Tray Paper Height Sensor (S35) The stacking sponge roller [A] and actuator [B] move after the paper delivery (to the return position). During paper delivery, these parts move to the home position and the stacking sponge roller is a little bit retracted within the end fence.

  • Page 12: Improved Replaceability Of Staple Cartridge

    1.Detailed Descriptions By making the leading edge of the paper stacking holder [D] thinner, a sufficient paper exit roller gap [E] is secured for retraction. • Sensors Added Two sensors [A] (Sub Height Sensor (Front and Rear)) have been added to detect stapled sheets. When sheets stapled at one point are stacked(corner stapling), this prevents the sheets from colliding with the paper guide, edge guide and other sheets because of the stapled points being stacked up.

  • Page 13: Service For Staple Near-End Detection

    1.Detailed Descriptions Service for Staple Near-End Detection A holder for storing stock stapler cartridges has been added. This stapler holder [A] is affixed to the back of the finisher's front door with double-sided tape.

  • Page 14: Allowing The Customer To Detach And Reattach The End Fence Of The Booklet Tray

    1.Detailed Descriptions Allowing the Customer to Detach and Reattach the End Fence of the Booklet Tray The screw for securing the end fence [A] has been changed to a coin screw, allowing the customer to detach and reattach the end fence. Staple Near-End Detection For details about staple near-end detection, refer to "Staple Near-End...

  • Page 15: Specifications

    1.Detailed Descriptions Specifications Finisher SR3280 Item Specifications Paper size for the A3 SEF, B4 JIS SEF, A4 SEF/LEF, B5 JIS SEF/LEF, A5 SEF/LEF, B6 JIS finisher upper tray: SEF, A6 SEF, 12 x 18 SEF, 11 x 17 SEF, 11 x 15 SEF, 10 x 14 SEF, 8 14 SEF, 8 x 13 LEF, 8 x 11 SEF/LEF, 8...

  • Page 16: Booklet Finisher Sr3290

    Weight: Approx. 36 kg (79.4 lb.) (without punch unit) • Approx. 39 kg (86.0 lb.) (with punch unit) Booklet Finisher SR3290 Item Specifications Paper size for the A3 SEF, B4 JIS SEF, A4 SEF/LEF, B5 JIS SEF/LEF, A5 SEF/LEF, B6 JIS...
  • Page 17 1.Detailed Descriptions Item Specifications finisher upper tray: SEF, A6 SEF, 12 x 18 SEF, 11 x 17 SEF, 11 x 15 SEF, 10 x 14 SEF, 8 14 SEF, 8 x 13 LEF, 8 x 11 SEF/LEF, 8 x 14 SEF, 8 x 13 SEF, 8 x 13 SEF, 8 x 10 SEF, 5 SEF, 7...
  • Page 18 1.Detailed Descriptions Item Specifications , 20 lb. Bond): 50 sheets: A3 SEF, A4 SEF/LEF, B4 JIS SEF, B5 JIS SEF/LEF, 11 x 17 SEF, 8 x 14 SEF, 8 x 13 SEF, 8 x 13 LEF, 8 x 11 SEF/LEF, 8 x 10 SEF, x 10 SEF/LEF, 8 x 14 SEF, 8...

  • Page 19: Paper Specifications

    1.Detailed Descriptions Item Specifications 64–216 g/m2 (17 lb. Bond–80 lb. Cover) • 2-5 sheets: 64–90 g/m2 (17–24 lb. Bond) Power consumption: 64 W (Power is supplied from the main unit.) • Dimensions (W x D x 657 × 613 × 960 mm (25.9 × 24.2 × 37.8 inches) (Tray is folded.) •...
  • Page 20 1.Detailed Descriptions Size Normal Thin Norm Norm Thk 1 Thk 2 Thk 3 Thk 4 (52- 1 (60- 2 (75- (160- (170- (221- (257- (82- 169) 220) 256) 300) 105) ”×8 ” LEF Here is the key for the symbols. Corner stapling, booklet stapling, paper shift, proof tray, punching possible Booklet stapling, shift tray, proof tray Corner stapling, shift tray, proof tray, punching possible...

  • Page 21: Punch Unit Pu3090

    1.Detailed Descriptions Shift tray, punching possible Shift tray, proof tray possible x Cannot be used - Incompatible Punch Unit PU3090 Punch unit Paper size type 2 & 4 holes SEF: A3, B4 JIS, A4, B5 JIS, A5, 11 x 17, 8 x 14, 8 x 11, 5 x 10...

  • Page 22: Layout

    1.Detailed Descriptions Layout General Layout Name Name Punch Units Corner Stapler Side-to-Side Fold Roller Shift Tray Booklet Stapler Proof Tray Booklet Staple Tray...

  • Page 23: Electrical Component Layout

    1.Detailed Descriptions Electrical Component Layout Part Exit Motor (DCM4) Transport Motor (DCM3) Positioning Roller Motor (DCM14) Controller Board (PCB1) Pre-stack Transport Motor (DCM5) Entrance Transport Motor (DCM1) Horizontal Transport Motor (DCM2) Tray Lift Motor (DCM9) Paper Guide Motor (STM18) Paper Guide HP Sensor (S50)
  • Page 24 1.Detailed Descriptions Part Part Shift Motor (STM3) LED 3 (LED3) Upper Junction Gate Solenoid (SOL1) LED 2 (LED2) Lower Junction Gate Motor (STM2) Horizontal Transport Sensor (S13) Proof Tray Full Sensor (S21) Switchback Transport Sensor (S14) Entrance Sensor (S17) Transport Path Paper Sensor (S15) LED 1 (LED1) Proof Tray Exit Sensor (S20) LED 4 (LED4)
  • Page 25 Shift Tray Lower Limit Sensor 2 (S29) Shift Tray Paper Height Sensor (S35) Shift Tray Lower Limit Sensor 1 (S16) Upper Tray Height Limit Switch (SW3) Paper Stacking Holder Motor (DCM8) Sub Height Sensor (Front) (S51) Sub Height Sensor (Rear) (S52) Booklet Finisher SR3290 Electrical Components...
  • Page 26 1.Detailed Descriptions Part Part Booklet Jogging Pawl Movement Motor (STM8) Booklet Stapler Unit Shift Roller drive Motor (DCM11) Booklet LED 1 (LED5) Booklet Jogging Pawl HP Sensor (S3) Booklet Guide Plate Sensor (S4) Booklet Upper Transport Path Stack Sensor (S2) Booklet LED 2 (LED6) Booklet Jogger Motor (STM11) Booklet LED 3 (LED7)
  • Page 27 1.Detailed Descriptions Part Booklet Exit Sensor (S6) Fold Plate Cam HP Sensor (S9) Fold Transport Motor (STM9) Press Fold Motor (STM10) Punch Unit (Option) Part Punch Unit Movement Motor (STM13) Punch Unit HP Sensor (S40) Punch Registration HP Sensor (S41) Punch Registration Motor (STM14) Punch Registration Sensor (S43) Punchout Hopper Full Sensor (S42)

  • Page 28: Transport Layout

    1.Detailed Descriptions Transport Layout Straight Through Path Orange Proof Path Green Pre-stack Path Purple Corner Staple Path Pink Booklet Staple Path Proof Transport Layout (Drive) Name Name Exit Motor (DCM4) Entrance Transport Motor (DCM1) Upper Junction Gate Solenoid (SOL1) Horizontal Transport Motor (DCM2)

  • Page 29: Proof Transport Layout (Sensors)

    1.Detailed Descriptions Proof Transport Layout (Sensors) Name Name Proof Tray Full Sensor (S21) Horizontal Transport Sensor (S13) Proof Tray Exit Sensor (S20) Entrance Sensor (S17) Shift Transport Layout (Drive) Name Name Shift Motor (STM3) (shift only) Transport Motor (DCM3) Entrance Transport Motor (DCM1) Exit Motor (DCM4) Horizontal Transport Motor (DCM2)

  • Page 30: Operation Details

    1.Detailed Descriptions Operation Details Shift Operation (Shift Transport) To output paper, the Shift Motor (STM3) [A] moves the shift roller [B] side-to-side while the shift roller is driven. The Shift Roller HP Sensor (S19) [C] is used to control this mechanism. Pre-stack Operation (In Corner Stapling) •...

  • Page 31: Pre-Stack Operation (Booklet Stapling)

    1.Detailed Descriptions transport paper to the pre-stack position. The rotation of the relay transport roller [C] and the pre-stack roller [B] stops, and the pre-stack junction gate [A] moves up (opens). The shift roller [D] also moves up to release the pressure between itself [D] and the relay transport roller [C].
  • Page 32 1.Detailed Descriptions The pre-stack junction gate [A] drops (closes) and the relay transport roller [C] rotates in reverse. The pre-stack roller [B] rotates to transport paper to the pre-stack position. The rotation of the relay transport roller [C] and the pre-stack roller [B] stops, and the pre-stack junction gate [A] moves up (opens).

  • Page 33: Upper Tray Shift Drive / Limit Sensor / Full Sensor

    1.Detailed Descriptions Upper Tray Shift Drive / Limit Sensor / Full Sensor Upper Tray Shift Up/down The Tray Lift Motor (DCM9) [A] moves the upper tray up/down. Upper-position Detection With the actuator, the Shift Tray Paper Height Sensor (S35) [B] detects the upper position of the tray (without output paper).
  • Page 34 1.Detailed Descriptions Sub Height Sensors Two sensors (sub-height sensors [A]) have been added to detect stapled sheets. When sheets stapled at one point are stacked, this prevents the sheets from colliding with the paper guide, edge guide and other sheets because of the stapled points being stacked up. If one of the sensors detects sheets, the machine stops the job in progress.
  • Page 35 1.Detailed Descriptions Booklet Finisher SR3290: Three sensors to detect 500, 1000, 2000 sheets Finisher SR3280: Three sensors to detect 500, 1500, 3000 sheets Booklet Finisher SR3290 State Sensors Paper Size Length Shift Tray Lower A5 SEF,A5 LEF, B6 SEF,HLT LEF, A6 SEF...
  • Page 36 1.Detailed Descriptions State Sensors Paper Size Length 3,000 Shift Tray Lower A4 LEF, LT LEF sheets Limit Sensor 1 (S16) Condition 2 The feeler is raised. • Booklet Stack Height Sensor 1 (S26) [A] (SP6-123-036 INPUT Check) : OFF • Booklet Stack Height Sensor 2 (S27) [B] (SP6-123-037 INPUT Check) : ON If the above condition continues for 13 seconds, the machine detects that the stacking limit has been reached.

  • Page 37: Pull-In Roller / Paper Stack Holder

    1.Detailed Descriptions Pull-in Roller / Paper Stack Holder Components Name Name Paper Stacking Holder Paper Stacking Holder Lift Motor...
  • Page 38 1.Detailed Descriptions Name Name Paper Stacking Holder HP Sensor (S24) Stacking Sponge Roller Cam Stacking Sponge Roller Stacking Sponge Roller HP Sensor (S32) Paper Stacking Holder Paper Stacking Holder Cam Upper Tray Height Limit Switch (SW3) (Interlock Paper Stacking Holder Motor Switch) (DCM8) Paper Stacking Holder Cam...
  • Page 39 1.Detailed Descriptions paper stacking holder [B] (until job end, the machine repeats step 3 and step 4). After job end, the paper stacking holder lift motor rotates the stacking sponge roller cam [D] to lift the stacking sponge roller [A] up to its HP position. At the same time, the Paper Stacking Holder Motor (DCM8) rotates the holder cam [E] to lift the paper stacking holder [B] up to its HP (until the Paper Stacking Holder HP Sensor (S24) [C] detects the end of the paper stacking holder [B]).

  • Page 40: Corner Stapling

    1.Detailed Descriptions Corner Stapling Components Name Name Positioning Roller Shift Motor (STM5) Drag Roller Positioning Roller Stapler Exit Motor (DCM4) Stapler Move HP Sensor (S23) Corner Stapler Movement Motor (STM7) Positioning Roller HP Sensor (S28)
  • Page 41 1.Detailed Descriptions Name Name Edge Guide Jogger Fence Upper Tray Exit Sensor Staple Tray Paper Sensor (S31) Jogger Fence HP Sensor (S25) Leading Edge Guide HP Sensor (S33) Jogger Motor (STM1) Leading Edge Guide Motor (STM6) Name Name Feed-out Belt (with stack feed-out pawl) Trailing Edge Fence Feed-out Belt Motor (DCM7) Feed-out Belt HP Sensor (S12)
  • Page 42 1.Detailed Descriptions The Leading Edge Guide Motor (STM6) [B] drives to push the edge guide [D] out. The edge guide retreats into the machine when the last sheet of a job is output (the Leading Edge Guide HP Sensor (S33) [C] detects the edge guide). Stapler Movement The Corner Stapler Movement Motor (STM7) [A] moves the stapler [C] along the guide rod [B].
  • Page 43 1.Detailed Descriptions Positioning Roller / Drag Roller The positioning roller and drag roller operate as follows: The Positioning Roller Shift Motor (STM5) [A] moves the positioning roller [D] down at the start of every job. The Positioning Roller Motor (DCM14) [B] rotates the positioning roller [D] to transport paper to the staple tray.
  • Page 44 1.Detailed Descriptions Stapling The corner staple motor [B] pushes the staple hammer [A] down in order to staple the paper stack. The stapling positions are as follows: • For oblique stapling: [1] • For horizontal stapling: [2] • For horizontal stapling at 2 points: [3] Feeding-out The trailing edge fence [B] moves paper up to the proper position to output.

  • Page 45: Staple Near-End Detection

    The near-end threshold can be changed in SP6-795-001 / SP6-796-001 (Staple N.E. Setting: Near-End Threshold). Depending on the model, the initial value is as follows: • SR3280/SR3290: 800 corner staples and 300 booklet staples • SR3270: 500 staples to be used for both corner and booklet stapling •...

  • Page 46: Saddle Stitching (Booklet Stapling)

    1.Detailed Descriptions the near-end status is notified to the machine. To correctly count the actual remaining number of staples, instruct the customer to do as follows: • Replace the cartridge after the staples have completely run out (End). • Replace the cartridge with the machine’s power on (so that the device status can be monitored). What if the counter does not match the actual remaining number of staples? •...
  • Page 47 1.Detailed Descriptions Saddle Stitching with This Finisher Until now, very heavy pressure had to be applied in order to shape the saddle, and this could not be done unless the finisher was very large. This finisher, however, in spite of being very small, uses the device described below to achieve a better saddle shape.
  • Page 48 1.Detailed Descriptions Name Name Booklet Jogging Pawl HP Sensor (S3) Booklet Trailing Edge Bottom Fence HP Sensor (S5) Booklet Jogging Pawl Movement Motor Booklet Lower Transport Path Stack Sensor (STM8) (S11) Shift Roller drive Motor (DCM11) Bottom Fence Booklet Upper Transport Path Stack Jogger Fence Sensor (S2) Booklet Jogger Motor (STM11)
  • Page 49 1.Detailed Descriptions Name Name Booklet Exit Sensor (S6) Fold Unit Exit Roller Fold Roller Fold Transport Motor (STM9) Booklet Staple Transport When paper begins to go through the booklet staple path, the shift roller unit [A] moves up to its operating position in order to be ready to transport paper.
  • Page 50 1.Detailed Descriptions Jogger The Booklet Jogger Motor (STM11) [A] moves the jogger fences [B] in to align the sides of each page. When a job starts, the jogger fences move to the ready position (this depends on the paper size). Bottom Fence Operation / Stapling The stack that is pushed with the stack junction gate bumps against the bottom fence [B] in order to align the stack.
  • Page 51 1.Detailed Descriptions Overview of Center Folding and Saddle Shaping The fold plate [C] center folds the stack lifted to the fold position by the bottom fence with the pressure from the Fold Transport Motor (STM9) [D]. Next, the side-to-side fold roller unit [E] forms the saddle shape.
  • Page 52 1.Detailed Descriptions switch plate 1 [F], slides down onto the lower path. Next, the lowering of the top of the side-to-side roller unit presses in the center of the stack with pressure from a large spring, and then center folding begins when the fold plate [B] pushes into the center of the stack.
  • Page 53 1.Detailed Descriptions Saddle Shaping Operation Name Name Guide Plate Fold Transport Roller Guide Plate 2 Side-to-Side Fold Roller Unit The side-to-side fold roller unit in the center moves from [A] to [C]. It moves along a rail when it comes to the center, the upper fold (up) descends, and then pressure from a large spring folds the center of the stack.
  • Page 54 1.Detailed Descriptions The Press Fold Motor (STM10) reverses, and the unit increases pressure on the stack as it moves and applies creasing on the remainder of the saddle shape as it moves from [C] to [A]. When the top of the side-to-side fold unit reaches the side-to-side fold unit HP sensor, the unit ascends to the upper path and releases pressure on the center of the stack.
  • Page 55 1.Detailed Descriptions SP6-160-004 (Replacement Mode for Service) It is easier to access the following parts after running SP-6-160-004. • Positioning Roller [A] The paper exit guide plate moves upwards and the positioning roller pops up in front for easier access. •...

  • Page 56: Replacement And Adjustment

    2.Replacement and Adjustment 2. Replacement and Adjustment Covers Rear Upper Cover, Rear Lower Cover Remove the Rear upper cover [A]. Remove the Rear lower cover [A]. Upper Cover Remove the rear upper cover. (Rear Upper Cover, Rear Lower Cover)
  • Page 57 2.Replacement and Adjustment Remove the 2 screws and release the 2 hooks. Open the front cover [A] and remove the 2 screws. Remove the upper cover [A]. • When you detach or reattach the upper cover, be sure to check the locations of the hooks on the cover.

  • Page 58: Front Cover

    2.Replacement and Adjustment Front Cover Open the front door [A], and then remove the screw fixing the bracket [B]. Remove the Front door [A]. Holding the hinge at the upper part of the cover, raise the edge of the upper cover. Pull out the cover from the pin [B] at the bottom.

  • Page 59: Paper Guide Cover

    2.Replacement and Adjustment Paper Guide Cover Remove the rear upper cover. (Rear Upper Cover, Rear Lower Cover) Remove the shift tray. (Shift Tray (Upper Tray)). Push the guides in to the center.

  • Page 60: Left Upper Cover

    2.Replacement and Adjustment Remove the rear paper guide cover [A] ( x2). Remove the front paper guide cover [A] ( x2). Left Upper Cover Remove the rear upper cover. (Rear Upper Cover, Rear Lower Cover) Remove the paper guide covers (front and rear). (Paper Guide Cover) Lift the front left side [B] of the upper cover and disconnect the tab [C], and then remove the left...

  • Page 61: Lower Tray

    2.Replacement and Adjustment Lower Tray Remove the Lower tray [A]. Proof Tray Remove the following covers. • Upper cover (Rear Upper Cover, Rear Lower Cover) • Left upper cover (Left Upper Cover) Remove the Proof tray [A] .

  • Page 62: Shift Tray (Upper Tray)

    2.Replacement and Adjustment Shift Tray (Upper Tray) Remove the shift tray [A]. End Fence Remove the left upper cover. (Left Upper Cover) Remove the rear lower cover (SR2380 only). (Rear Upper Cover, Rear Lower Cover) Remove the shift tray. (Shift Tray (Upper Tray)) Remove the shift tray bracket [A].
  • Page 63 2.Replacement and Adjustment Disconnect the connector (CN180) and release the harness. Remove the end fence [A]. When you remove the end fence, be careful with the harness beneath it. Booklet Finisher SR3290...
  • Page 64 2.Replacement and Adjustment Finisher SR3280 Notes on Detaching/Reattaching/Replacing the End Fence There is a harness routed beneath the end fence. Take the following precautions.
  • Page 65 2.Replacement and Adjustment • If the cable clamp for securing the harness has come off the end fence, reattach it. • Be careful that no slack is left in the harness, otherwise, the harness may come into contact with the machine’s roller shaft and become worn out. •...

  • Page 66: Boards

    2.Replacement and Adjustment Boards Controller Board (PCB1) Remove the following covers. • Rear upper cover (Rear Upper Cover, Rear Lower Cover) • Rear lower cover (Rear Upper Cover, Rear Lower Cover) Remove the Controller Board (PCB1) [A]. Booklet Finisher SR3290 Finisher SR3280...
  • Page 67 2.Replacement and Adjustment When Replacing the Controller Board This board has a dip switch. When you reinstall the controller board, follow the procedure below regarding the dip switch settings. Check the settings of dip switch [A] on the old main board. Replace the controller board.
  • Page 68 2.Replacement and Adjustment Locate the label [A] attached near the right corner of the board. Go into the SP mode, open these SP codes, and then enter the numbers you see on the label. • SP6-121-001 NV Adj. Data: Jog Position: Factory Adj. •...

  • Page 69: Corner Stapling Unit, Trailing Edge Alignment Unit

    2.Replacement and Adjustment Corner Stapling Unit, Trailing Edge Alignment Unit Corner Stapling Unit Remove the following covers. • Front left side cover (Front Left Side Cover) • End fence (End Fence) • Rear lower cover (Rear Upper Cover, Rear Lower Cover) Pull out the saddle stitch unit [A], and remove the inner upper cover [B].
  • Page 70 2.Replacement and Adjustment Remove the pressure release motor bracket [A] from the rear side of the finisher. Remove the gear [A] and timing pulley [B] from the rear side of the finisher. Remove the pulley [A] from the rear side of the finisher. Remove 6 screws from the rear side of the finisher.
  • Page 71 2.Replacement and Adjustment Remove the main board, ground wire, connectors, and clamps. Remove the 4 clamps, and then pull the harness [A] out through the hole [B] on the left side of the finisher. 10. Pull the harness [C] out through the hole [D] on the left side of the finisher. 11.
  • Page 72 2.Replacement and Adjustment 12. Lifting the corner stapling unit [A], push up the paper exit guide unit [B]. 13. Remove the bearings on the sides [A] from the cutouts on the metal plate. 14. Remove the corner stapling unit [A]. When removing the stapler unit, make sure to leave the harness of stapler unit is hooked at the position with red circle as shown below.

  • Page 73: Trailing Edge Alignment Unit

    2.Replacement and Adjustment Trailing Edge Alignment Unit Remove the corner stapling unit. (Corner Stapling Unit) Remove the trailing edge alignment unit [A].

  • Page 74: Main Unit (Motors)

    2.Replacement and Adjustment Main Unit (Motors) Stacking Sponge Roller Lift Motor (DCM6) Remove the trailing edge alignment unit from the corner stapling unit (Trailing Edge Alignment Unit). Remove the Stacking Sponge Roller Lift Motor (DCM6) [A]. Disconnect the harness [B] from the Stacking Sponge Roller Lift Motor (DCM6) [A]. Leading Edge Guide Motor (STM6) Remove the trailing edge alignment unit (Trailing Edge Alignment...

  • Page 75: Paper Stacking Holder Motor (Dcm8)

    2.Replacement and Adjustment Remove the bracket [A]. Remove the Leading Edge Guide Motor (STM6) [A] with bracket. Remove the Leading Edge Guide Motor (STM6) [A] from the bracket [B]. Paper Stacking Holder Motor (DCM8) Remove the corner stapling unit (Corner Stapling Unit).

  • Page 76: Exit Motor (Dcm4)

    2.Replacement and Adjustment Remove the Paper Stacking Holder Motor (DCM8) [A]. Exit Motor (DCM4) Remove the rear upper cover (Rear Upper Cover, Rear Lower Cover). Remove the Exit Motor (DCM4) [A]. Feed-out Belt Motor (DCM7) Remove the corner stapling unit (Corner Stapling Unit).

  • Page 77: Jogger Motor (Stm1)

    2.Replacement and Adjustment Remove the Feed-out Belt Motor (DCM7) [A]. Jogger Motor (STM1) Remove the trailing edge alignment unit (Trailing Edge Alignment Unit). Remove the feed out motor (Feed-out Belt Motor (DCM7)). Remove the Jogger Motor (STM1) [A].

  • Page 78: Main Unit (Sensors)

    2.Replacement and Adjustment Main Unit (Sensors) • When you release the harness around the shift tray paper sensor [C] for replacing parts such as the sensors on the trailing edge alignment unit, be sure to route the harness as shown in the following figure [A].

  • Page 79: Paper Stacking Holder Hp Sensor (S24)

    2.Replacement and Adjustment Remove the shift paper height sensor (S35) [A]. Paper Stacking Holder HP Sensor (S24) Remove the trailing edge alignment unit (Trailing Edge Alignment Unit). Turn over the trailing-edge alignment unit, and then remove the Paper Stacking Holder HP Sensor (S24) together with the bracket [A].

  • Page 80: Stacking Sponge Roller Hp Sensor (S32)

    2.Replacement and Adjustment Remove the Paper Stacking Holder HP Sensor (S24) [A]. Stacking Sponge Roller HP Sensor (S32) Remove the corner stapling unit (Corner Stapling Unit). Remove the Stacking Sponge Roller HP Sensor (S32) together with the bracket [A] from the corner stapling unit [B].

  • Page 81: Staple Tray Paper Sensor (S31)

    2.Replacement and Adjustment Staple Tray Paper Sensor (S31) Remove the trailing edge alignment unit (Trailing Edge Alignment Unit). Remove the Staple Tray Paper Sensor (S31) together with the bracket [A] from the part with the trailing-edge alignment unit ( x 1, x 1).

  • Page 82: Leading Edge Guide Hp Sensor (S33)

    2.Replacement and Adjustment Remove the bracket with the Feed-out Belt HP Sensor (S12) [A]. Remove the Feed-out Belt HP Sensor (S12) [A] from the bracket. Leading Edge Guide HP Sensor (S33) Remove the trailing edge alignment unit (Trailing Edge Alignment Unit).

  • Page 83: Upper Tray Height Limit Switch (Sw3)

    2.Replacement and Adjustment Remove the Leading Edge Guide HP Sensor (S33) [A]. • When you remove the sensor, be sure to release the hook with a tool such as a ratchet screwdriver. Upper Tray Height Limit Switch (SW3) Remove the corner stapling unit (Corner Stapling Unit).
  • Page 84 2.Replacement and Adjustment Remove the brackets [B] from the sub-height sensors (S51) (S52)[A] beneath the end fence.

  • Page 85: Saddle Stitch Unit (Motors)

    2.Replacement and Adjustment Saddle Stitch Unit (Motors) Saddle Stitch Unit Remove the following covers. • Rear Upper Cover (Rear Upper Cover, Rear Lower Cover) • Rear Lower Cover (Rear Upper Cover, Rear Lower Cover) Remove the harnesses and ground wire from the saddle stich unit. Open the front door [A] and pull out the saddle stitch unit [B].

  • Page 86: Press Fold Motor (Stm10)

    2.Replacement and Adjustment Remove the screws securing the finisher and saddle stitch unit. Lift up to remove the saddle stitch unit [A]. Press Fold Motor (STM10) Remove the saddle stitch unit (Saddle Stitch Unit).
  • Page 87 2.Replacement and Adjustment Remove the fixing bracket [A] on the saddle stitch unit. Remove the screw [A] shown in the photo below. Loosen the screw [B] to loosen the Press Fold Motor (STM10) belt [C]. Remove the clamps (indicated by red arrows) and connectors (pink arrows) from the Press Fold Motor (STM10) unit.
  • Page 88 2.Replacement and Adjustment Remove the screws on the Press Fold Motor (STM10) unit [A]. Remove the spacer [A] between the gears, taking care not to touch the bracket.
  • Page 89 2.Replacement and Adjustment Remove the belt [A]. • Pulling down the bracket [B] securing the belt, remove the belt from the gear. • Remove the belt from the gear, making sure not to touch the bracket [C].

  • Page 90: Booklet Jogger Motor (Stm11)

    2.Replacement and Adjustment Remove the Press Fold Motor (STM10) unit [A]. 10. Remove the spring [B] from the Press Fold Motor (STM10) bracket [A] ( x 1, spring x 1). 11. Remove the Press Fold Motor (STM10) [A] ( x 2, x 1).
  • Page 91 2.Replacement and Adjustment Remove the Booklet Jogger Motor (STM11) [A] ( x 2).

  • Page 92: Paper Guide Unit

    2.Replacement and Adjustment Paper Guide Unit Paper Guide Unit Remove the paper guide covers (Paper Guide Cover) Disconnect the cover support bracket. Remove the cover support bracket. Loosen (do not remove) the screws on both ends of the paper exit. This will loosen the tray so you can move the tray slightly side-to-side in order to remove the bracket screws more easily.
  • Page 93 2.Replacement and Adjustment Disconnect the front end of the paper guide unit bracket [B]. At the rear, open the clamps and disconnect the motor and sensor harnesses. Lay the unit [A] on flat clean surface so you can see the paper guide motor [1] and paper guide...

  • Page 94: Paper Guide Hp Sensor (S50)

    2.Replacement and Adjustment position sensor bracket [2]. Paper Guide HP Sensor (S50) Remove the left upper cover. (Left Upper Cover)
  • Page 95 2.Replacement and Adjustment Remove the bracket [A] with the Paper Guide HP Sensor (S50). Open the clamp and disconnect the sensor ( x1, x1). Separate the sensor and bracket ( x3).

  • Page 96: Paper Guide Motor (Stm18)

    2.Replacement and Adjustment Paper Guide Motor (STM18) The Paper Guide Motor (STM18) is at [A]. Remove the paper guide unit. (Paper Guide Unit) Remove sensor bracket ( x1). Unfasten the motor, and disconnect the belt ( x1).
  • Page 97 2.Replacement and Adjustment Remove the Paper Guide Motor (STM18). • When you re-install the motor, make sure that the connector is pointing to the back of the unit.

  • Page 98: Stapler Unit

    2.Replacement and Adjustment Stapler Unit Stapler Unit Remove the rear upper cover. (Rear Upper Cover, Rear Lower Cover) Open the front door and push the stapler [A] to the rear side of the finisher. At the rear side, remove the screw circled in the photo below from the stapler [A]. Push the stapler to the front side of the finisher.
  • Page 99 2.Replacement and Adjustment • When attaching the stapler unit, make sure that the hook on the back of the cover is inserted to the cutout of the frame firmly. Release the clamp, and then remove the 2 connectors. Remove the stapler unit [A]. Be sure to open the paper guide [B] and its catches on the unit.
  • Page 100 2.Replacement and Adjustment...

  • Page 101: Punch Unit

    2.Replacement and Adjustment Punch Unit Remove the following covers. • Rear Upper Cover (Rear Upper Cover, Rear Lower Cover) • Rear Lower Cover (Rear Upper Cover, Rear Lower Cover) Remove the side-to-side detection unit [A] ( x 2, x 3, x 2).
  • Page 102 2.Replacement and Adjustment Remove punch unit controller board cover [A] ( x2). Pull out the punch unit [A] ( x 2, x 3, x 2).

  • Page 103: Fold Adjustments

    2.Replacement and Adjustment Fold Adjustments Adjusting the Alignment of the Flat Fold Rollers To adjust the folding strength, adjust the difference in vertical alignment between the flat fold rollers. Remove the saddle stitch unit (Saddle Stitch Unit). Remove the fold plate bracket [A] ( x 2) Open the bracket [A] of the flat fold roller.
  • Page 104 2.Replacement and Adjustment upper and lower rollers of the flat fold booklet unit. • With the factory default, the upper and lower rollers of the flat fold booklet unit are not aligned vertically. There is a 3mm difference [D] between the upper and lower rollers. However, you can change the lower roller position from [B] (factory default) to [C].

  • Page 105: Adjusting The Folding Speed

    2.Replacement and Adjustment Difference in Folding Thickness of the The amount of toner sticking to the Alignment Strength booklet folding line 3mm (default) Strong Thin Weak Thick Good Close the bracket after the adjustment. Reassemble the machine. Adjusting the Folding Speed You can adjust the thickness of the booklet by adjusting the moving speed of the flat fold booklet unit.

  • Page 106: Flat Fold Booklet Unit Home Position Adjustment

    2.Replacement and Adjustment Flat Fold Booklet Unit Home Position Adjustment Pull out the saddle stitch unit [A]. Remove the timing gear [A] ( x 1). Turn the knob [A] clockwise to move the flat fold roller unit [B] in the direction of the arrow. Move the flat fold roller unit until the edge of the unit [A] is between the guide lines [B] and [C]...
  • Page 107 2.Replacement and Adjustment inscribed on the bracket. Check that the fold plate [A] has been moved in the direction of the arrow as far as it can go and the bushing [C] on the rear end of the fold plate shaft [B] is aligned with the fold plate positioning cam [D].
  • Page 108 2.Replacement and Adjustment Re-attach the timing gear [A] ( x 1). Reassemble the finisher and connect it to the copier. Turn on the copier. After the finisher initialization is complete, check that the flat fold roller unit, fold plate and the cam are positioned as described in steps 4 and 5.

This manual is also suitable for:

Sr3280

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