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Table of Contents
TECHNICAL MANUAL
Copyright : 2005 Riso Kagaku Corporation
All Rights Reserved. This Technical Manual was prepared and
written for the exclusive use of RISO International Group Certified
Dealers. Reproduction and/or transmittal of this material in any
form or by any means, including photocopying or recording of the
information is strictly prohibited without the consent of a member
of RISO International Group.
RISO KAGAKU CORPORATION (JAPAN)
RISO, INC. (U.S.A.)
RISO EUROPE LIMITED (U.K.)
RISO HONG KONG (HONG KONG)
RISO UK (U.K.)
RISO THAILAND LIMITED (THAILAND)
RISO KOREA LIMITED (KOREA)
RISO Inc. Technical Communications
RZ2xx
RZ3xx
SERIES
REVISION 3.0
FEBRUARY 2005
RISO INTERNATIONAL GROUP
RISO DEUTSCHLAND GMBH (GERMANY)
RISO FRANCE (FRANCE)
RISO IBERICA (SPAIN)
RISO CANADA (CANADA)
ZHUHAI RISO TECHNOLOGY (CHINA)
RISO AFRICA (SOUTH AFRICA)
RISOGRAPH ITALIA (ITALY)
us.riso.com

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Table of Contents

   Summary of Contents for Riso RZ3xx Series

  • Page 1 Copyright : 2005 Riso Kagaku Corporation All Rights Reserved. This Technical Manual was prepared and written for the exclusive use of RISO International Group Certified Dealers. Reproduction and/or transmittal of this material in any form or by any means, including photocopying or recording of the information is strictly prohibited without the consent of a member of RISO International Group.
  • Page 2: Table Of Contents

    CHAPTER 15 : OTHER PRECAUTIONS CHAPTER 16 : PANEL MESSAGES CHAPTER 17 : TEST MODE CHAPTER 18 : ELECTRICAL COMPONENTS CHAPTER 19 : WIRING DIAGRAM ( RZ2 SERIES CHAPTER 20 : WIRING DIAGRAM ( RZ3 SERIES us.riso.com RISO Inc. Technical Communications...
  • Page 3 Preface ............................. 1-2 Caution ............................. 1-3 Warning ............................ 1-4 1. Work Precautions ....................... 1-5 2. JIGs ............................ 1-8 3. Exterior Cover Removal ..................... 1-9 4. Opening the PCB bracket ....................1-13 us.riso.com RISO Inc. Technical Communications [ 1 - 1 ]...
  • Page 4: Preface

    CHAPTER 1: MAINTENANCE Preface This manual provides Technical Service Information for the RISO PRINTER model RZ series. This manual provides procedures for removing and installing major components. Following these procedures will minimize machine malfunctions. This information and format will also increase technical representatives' awareness and experience regarding repairs necessary to insure end-user satisfaction.
  • Page 5: Caution

    3. Discard used batteries according to the manufacturer’s instructions. Perchlorate Material-special handling may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate This product may contain certain substances which are restricted when disposed. Therefore, be sure to consult your contracted service dealer. [ 1 - 3 ] us.riso.com RISO Inc. Technical Communications...
  • Page 6: Warning

    II. Protection of the electrical components: The electrical components may be damaged due to short circuits caused by a loose connector. Wire harness connector FIRST Press the ends. THEN Press the center, firmly. 0116 us.riso.com RISO Inc. Technical Communications [ 1 - 4 ]...
  • Page 7: Work Precautions

    Spanners 8 mm 10 mm 13 mm Monkey 5.0 mm 4.0 mm 3.0 mm Hex w renches 2.5 mm 2.0 mm 1.5 mm (For 3.0mm, 2 pieces required ) 0102 us.riso.com RISO Inc. Technical Communications [ 1 - 5 ]...
  • Page 8 The machine is comprised of many gears. When inspecting or replacing parts, apply grease to the gears. If they are not properly greased, the gears may make abnormal sounds, and malfunctions or mechanical problems may occur. RISO Inc. Technical Communications us.riso.com [ 1 - 6 ]...
  • Page 9 Do not allow any other machine to stand on or crush the power cord. Ground connection Always ground this machine to prevent electrical shock in the unlikely event of electrical leakage. us.riso.com RISO Inc. Technical Communications [ 1 - 7 ]...
  • Page 10: Jigs

    0109 016-16141-003 8mm Dia. x 160mm Shaft (JIG) (2 pieces required) Note: The part numbers are subject to change without notice. us.riso.com RISO Inc. Technical Communications [ 1 - 8 ]...
  • Page 11: Exterior Cover Removal

    (1) With the machine power on, press the green release button to release the master-making unit and pull out the unit. (2) Remove screws (M4x8: 4 pcs) from the master-making unit front cover and remove the cover. Front door Master-making unit front cover 0111 Front cover us.riso.com RISO Inc. Technical Communications [ 1 - 9 ]...
  • Page 12 - Scanner rear cover - Scanner cover;paper ejection (2) Remove screws (M4x8: 2pcs), and dismount the rear side cover;paper ejection. Side cover; paper ejection Stage cover 0112 Rear side cover; paper ejection us.riso.com RISO Inc. Technical Communications [ 1 - 10 ]...
  • Page 13 - Scanner cover; paper feed (2) Remove screws ( M4x8: 2pcs), and dismount the rear side cover;paper feed. Download cover Side cover;paper feed 0113 Rear cover Rear side cover; paper feed us.riso.com RISO Inc. Technical Communications [ 1 - 11 ]...
  • Page 14 (2) Lift up the operation panel after sliding to the front, unplug the connector, and then remove the operation panel. Scanner cover; rear Scanner cover; paper ejection Scanner cover; paper feed Operation panel 0114 us.riso.com RISO Inc. Technical Communications [ 1 - 12 ]...
  • Page 15: Opening The Pcb Bracket

    (2) Remove screws (M4x8: 5pcs) and slowly swing open the PCB bracket on which the power supply and mechanical control PCBs are mounted. PCB bracket on which the power supply and mechanical control PCBs are mounted. 0115 us.riso.com RISO Inc. Technical Communications [ 1 - 13 ]...
  • Page 16 CHAPTER 1: MAINTENANCE MEMO us.riso.com RISO Inc. Technical Communications [ 1 - 14 ]...
  • Page 17 6. Machine Specification (Excludes China Market Models) ............ 2-7 RISO RZ 390 UI ......................... 2-7 RISO RZ 370 EP ........................ 2-8 RISO RZ 370 AW, AN ......................2-9 RISO RZ 310 UI ....................... 2-10 RISO RZ 300 EP ......................2-11 RISO RZ 230 EP ......................
  • Page 18: Cross-sectional Diagram

    Master-making section Transports and creates a master using the thermal print head, then sends the produced master to the print drum, and cuts the master material. us.riso.com RISO Inc. Technical Communications [ 2 - 2 ]...
  • Page 19: Operation Outline

    The proof-print is printed. Printing operation Paper is fed from the paper-feed tray one sheet at a time for printing. The printed paper is ejected out onto the paper-receiving tray. us.riso.com RISO Inc. Technical Communications [ 2 - 3 ]...
  • Page 20: Outline Of Paper-feeding, Printing And Paper-ejection Operations

    (7) The next sheet of paper is sent to the first paper-feed area, and the guide roller lowers. 0202 us.riso.com RISO Inc. Technical Communications [ 2 - 4 ]...
  • Page 21: Outline Of Master-removal, Master-making And Master Loading Operations

    Cutter (2) The print drum rotates to wind the master around it. (3) The cutter cuts the master. 0203 us.riso.com RISO Inc. Technical Communications [ 2 - 5 ]...
  • Page 22: Optional Accessories (excludes China Market Models)

    Use to connect a computer to the machine using a parallel cable. RISO PRINTER Network Interface Card RISORINC-NET Use to directly connect the machine to the network. This comes with the RISO-MONITOR software that allows you to check the status of the machine from computers. us.riso.com RISO Inc. Technical Communications...
  • Page 23: Machine Specification (excludes China Market Models)

    645mm(D) 660mm(H)) When in storage : 30 "(W) 25 "(D) 26"(H) (775mm(W) 645mm(D) 660mm(H)) Weight Approx. 220lb (100 kg) Note: • The specifications are subject to change without prior notice. us.riso.com RISO Inc. Technical Communications [ 2 - 7 ]...
  • Page 24: Riso Rz370 Ep

    Dimensions When in use : 1380mm(W) 645mm(D) 660mm(H) When in storage : 775mm(W) 645mm(D) 660mm(H) Weight Approx. 100 kg Note: • The specifications are subject to change without prior notice. us.riso.com RISO Inc. Technical Communications [ 2 - 8 ]...
  • Page 25: Riso Rz370 Aw, An

    CHAPTER 2: MACHINE SUMMARY RISO RZ370 AW, AN Master-making/printing methods High-speed digital master-making/full automatic stencil printing Original Type Book (22lb(10 kg) or less), sheet Original Size (max./min.) When using the Stage Glass : 1 " " (50mm 90mm) - 11 "...
  • Page 26: Riso Rz310 Ui

    645mm(D) 660mm(H)) When in storage : 30 "(W) 25 "(D) 26"(H) (775mm(W) 645mm(D) 660mm(H)) Weight Approx. 220lb (100 kg) Note: • The specifications are subject to change without prior notice. us.riso.com RISO Inc. Technical Communications [ 2 - 10 ]...
  • Page 27: Riso Rz300 Ep

    Dimensions When in use : 1380mm(W) 645mm(D) 660mm(H) When in storage : 775mm(W) 645mm(D) 660mm(H) Weight Approx. 100 kg Note: • The specifications are subject to change without prior notice. us.riso.com RISO Inc. Technical Communications [ 2 - 11 ]...
  • Page 28: Riso Rz230 Ep

    RZ230EP : 220V-240V AC, 50/60Hz <1.3A> Dimensions When in use : 1380mm(W) 645mm(D) 660mm(H) When in storage : 775mm(W) 645mm(D) 660mm(H) Weight Approx. 95kg Note: • The specifications are subject to change without prior notice. us.riso.com RISO Inc. Technical Communications [ 2 - 12 ]...
  • Page 29: Riso Rz230 Aw, An

    CHAPTER 2: MACHINE SUMMARY RISO RZ230 AW, AN Master-making/printing methods High-speed digital master-making/full automatic stencil printing Original Type Book (22lb(10 kg) or less), sheet Original Size (max./min.) When using the Stage Glass : 1 " 3 " (50mm 90mm) - 10 "...
  • Page 30: Riso Rz220 Ui, As

    CHAPTER 2: MACHINE SUMMARY RISO RZ220 UI, AS Master-making/printing methods High-speed digital master-making/full automatic stencil printing Original Type Book (22lb(10 kg) or less), sheet Original Size (max./min.) When using the Stage Glass : 1 " 3 " (50mm 90mm) - 10 "...
  • Page 31: Riso Rz200 Ep

    RZ200EP : 220V-240V AC, 50/60Hz <1.3A> Dimensions When in use : 1380mm(W) 645mm(D) 660mm(H) When in storage : 775mm(W) 645mm(D) 660mm(H) Weight Approx. 95kg Note: • The specifications are subject to change without prior notice. us.riso.com RISO Inc. Technical Communications [ 2 - 15 ]...
  • Page 32: Riso Rz200 Aw

    645mm(D) 660mm(H)) When in storage : 30 "(W) 25 "(D) 26"(H) (775mm(W) 645mm(D) 660mm(H)) Weight Approx. 210lb (95 kg) Note: • The specifications are subject to change without prior notice. us.riso.com RISO Inc. Technical Communications [ 2 - 16 ]...
  • Page 33: Feature List (excludes China Market Models)

    CHAPTER 2: MACHINE SUMMARY 7. Feature List (Excludes China Market Models) us.riso.com RISO Inc. Technical Communications [ 2 - 17 ]...
  • Page 34: Optional Accessories (china Market Models Only)

    CHAPTER 2: MACHINE SUMMARY 8. Optional Accessories (China Market Models only) us.riso.com RISO Inc. Technical Communications [ 2 - 18 ]...
  • Page 35: Machine Specification (china Market Models Only)

    CHAPTER 2: MACHINE SUMMARY Machine Specification (China Market Models only) us.riso.com RISO Inc. Technical Communications [ 2 - 19 ]...
  • Page 36 CHAPTER 2: MACHINE SUMMARY us.riso.com RISO Inc. Technical Communications [ 2 - 20 ]...
  • Page 37: Feature List (china Market Models Only)

    CHAPTER 2: MACHINE SUMMARY 10. Feature List (China Market Models only) us.riso.com RISO Inc. Technical Communications [ 2 - 21 ]...
  • Page 38 CHAPTER 2: MACHINE SUMMARY MEMO us.riso.com RISO Inc. Technical Communications [ 2 - 22 ]...
  • Page 39: Main Drive

    4. Removing the Main Shaft Assembly ................. 3-11 5. Removing the Serviceman Safety SW ................3-12 ADJUSTMENT 1. Print-Drum “Position-A” Adjustment ................. 3-13 2. Print-Drum “Position-B” Stop Position Adjustment ............3-13 us.riso.com RISO Inc. Technical Communications [ 3 - 1 ]...
  • Page 40 The main motor FG sensor detects the speed and the angle position of the print drum. Main pulley 0301 Main motor Main belt Main motor FG sensor Motor pulley 0302 < Main motor > us.riso.com RISO Inc. Technical Communications [ 3 - 2 ]...
  • Page 41: Print Drum Angle Detection

    0 (zero) degrees and is called position-A of the print drum and this is the position in which the clamp plate is on the top and clamps the master during the master making operation. Position-B actuator plate 0303 Position-B sensor Main cover assembly 0304 us.riso.com RISO Inc. Technical Communications [ 3 - 3 ]...
  • Page 42: Main Motor Safety Mechanism

    Print drum safety SW) prevent the main motor, clamp motor, master removal vertical transport motor and master compression motor from turning ON when any one of these safety switches are not in contact. Serviceman safety SW Master disposal box safety SW 0305 us.riso.com RISO Inc. Technical Communications [ 3 - 4 ]...
  • Page 43 CHAPTER 3: MAIN DRIVE 0306 Print drum safety SW Master making unit safety SW us.riso.com RISO Inc. Technical Communications [ 3 - 5 ]...
  • Page 44: Disassembly

    8mm dia. JIG shaft is inserted. < Power to the machine should never be applied when the JIG shaft is inserted in the machine. > 0308 us.riso.com RISO Inc. Technical Communications [ 3 - 6 ]...
  • Page 45: Removing The Pressure Spring

    (4) Detach the pressure spring from the pressure lever after removing the other end from the pressure spring tension plate. Pressure lever Pressure solenoid lever 0309 Pressure lever Pressure spring Pressure spring tention plate 0310 us.riso.com RISO Inc. Technical Communications [ 3 - 7 ]...
  • Page 46: Removing The Main Belt

    * Dismount the main shaft assembly slowly to avoid pulling the main shaft assembly off the machine. - continued on next page - Main shaft assembly Detachable wire band Position B sensor 0311 Tension lever Main motor bearing assembly Main cover assembly us.riso.com RISO Inc. Technical Communications [ 3 - 8 ]...
  • Page 47 When putting the Main cover assembly back on the machine, push it firmly against the machine. Tighten the screw on the far top right on the Main cover assembly first. us.riso.com RISO Inc. Technical Communications [ 3 - 9 ]...
  • Page 48: Removing The Main Motor Pulley Assembly

    Align the groove made on the back of the Main motor pulley assembly against the Parallel pin on the Main motor shaft. 0315 0314 Groove on the back of the Main motor pulley. Parallel pin on the Main motor shaft. us.riso.com RISO Inc. Technical Communications [ 3 - 10 ]...
  • Page 49: Removing The Main Shaft Assembly

    Position-B, and then mount the Main shaft assembly back on the machine, aligning the markings between the Main gear and the Inner vertical positioning bear. Inner vertical positioning gear Markings on two gears Main gear 0322 us.riso.com RISO Inc. Technical Communications [ 3 - 11 ]...
  • Page 50: Removing The Serviceman Safety Sw

    Reusable wire harness band Switch connectors 0317 0318 < Paper receiving side > < Paper feed side > 0319 Serviceman safety SW Torsion spring 0320 E-ring < Serviceman safety SW assembl y > us.riso.com RISO Inc. Technical Communications [ 3 - 12 ]...
  • Page 51: Adjustment

    This adjustment does not affect the print drum position-A. NOTE: The print drum position-B stop position is calculated from the position-B of the machine by the pulse count of the main motor FG sensor (refer to page 3-3). us.riso.com RISO Inc. Technical Communications [ 3 - 13 ]...
  • Page 52 CHAPTER 3: MAIN DRIVE MEMO us.riso.com RISO Inc. Technical Communications [ 3 - 14 ]...
  • Page 53: First Paper Feed Section

    1. Upper Limit Sensor Position Adjustment ................4-22 2. Stripper Unit Adjustment ....................4-23 3. Paper-Feed Clutch ON Angle Adjustment ................4-24 4. Paper-Feed Clutch OFF Angle Adjustment ................ 4-24 5. Paper-Width Potentiometer Adjustment ................4-25 us.riso.com RISO Inc. Technical Communications [ 4 - 1 ]...
  • Page 54: Mechanism

    The paper width potentiometer detects the paper width, and the paper size detection sensor detects the paper length. 0401 Paper feed tray Paper width potentiometer Paper size detection sensor Tray sliding dial us.riso.com RISO Inc. Technical Communications [ 4 - 2 ]...
  • Page 55: Paper Feed Tray Elevation Mechanism

    Upper-limit actuator plate (Card & Custom Paper) Pickup unit frame body 0402 Lower limit sensor 0403 < View from the rear > 0404 Paper feed tray Paper detection sensor Elevator motor us.riso.com RISO Inc. Technical Communications [ 4 - 3 ]...
  • Page 56: Upper Limit Position Of The Paper Feed Tray

    No. 763, 766, 769, 772 and 775 by serviceman. Upper limit position Feed tray down Blocked Upper limit sensor A Open Blocked Upper limit sensor B Open 0405 Custom Normal Card us.riso.com RISO Inc. Technical Communications [ 4 - 4 ]...
  • Page 57: Paper Feed Tray Safety Mechanism

    OFF, the elevator motor is turned off. Paper feed tray upper safety switch 0406 Paper feed cover 0407 Paper feed tray lower safety switch 0408 Lower limit frame 0409 us.riso.com RISO Inc. Technical Communications [ 4 - 5 ]...
  • Page 58: First Paper Feed Drive Mechanism

    Main belt Paper feed clutch Scraper roller Pickup roller 0410 Main motor Guide roller Pickup roller Paper sensor 0411 Scraper roller Timing roller Stripper pad us.riso.com RISO Inc. Technical Communications [ 4 - 6 ]...
  • Page 59: Paper Stripping Mechanism

    The stripper pad angle can be adjusted by the machine operator using the stripper pad adjuster dial. Pickup roller Stripper pad Stripper pad adjuster dial Stripper pad spring 0412 0413 << Stripper pad angle adjustment >> us.riso.com RISO Inc. Technical Communications [ 4 - 7 ]...
  • Page 60: Paper Feed Pressure Adjustment Mechanism

    To which position the paper feed pressure lever is selected is detected by the paper feed pressure sensor. Paper feed pressure sensor First paper feed stay assembly 0414 Pickup unit frame body Paper feed pressure lever (Scraper roller located insde.) us.riso.com RISO Inc. Technical Communications [ 4 - 8 ]...
  • Page 61: Disassembly

    (6) Remove E-rings (1pc each) on the left and right of the paper feed tray unit, and remove the tray unit from the machine. 0415 Paper feed tray unit Hinge cover 0447 us.riso.com RISO Inc. Technical Communications [ 4 - 9 ]...
  • Page 62 CHAPTER 4: FIRST PAPER FEED SECTION Flat wire harness cover 0416 Connector cover Wiire harness holder 0417 0418 Flat wire harness Connector Paper feed tray mount us.riso.com RISO Inc. Technical Communications [ 4 - 10 ]...
  • Page 63: Removing Paper Det. Sensor, Paper Size Det. Sensor And Paper Width Potentiometer

    (5) Remove screws (3x8: 7pcs) and detach the paper-feed tray bottom frame. Shouldered screws Paper feed tray mount 0420 0419 < Operator side of machine > < Drive side of machine > Paper feed tray bottom frame Dial shaft 0421 us.riso.com RISO Inc. Technical Communications [ 4 - 11 ]...
  • Page 64 Screw on the paper width potentiometer on the paper feed tray with the flat cut on the shaft hole facing towards the eye mark line on the spur gear. Fence rack Spur gear 0423 Paper width potentiometer Potentiometer shaft us.riso.com RISO Inc. Technical Communications [ 4 - 12 ]...
  • Page 65: Removing The Scraper Roller And Pick Up Roller

    (3) Slide out the pickup roller from the pickup shaft. Pickup unit frame body Pickup roller Pickup shaft 0424 Scraper roller Snap ring Scraper shaft Snap ring 0425 Collar Scraper roller Snap ring Scraper shaft us.riso.com RISO Inc. Technical Communications [ 4 - 13 ]...
  • Page 66: Removing The Paper Feed Roller Assembly

    (2) Remove the paper feed cover by removing screws (M4x8: 2pcs). (3) Remove a cap-screw (M4x8: 1pc) and detach the paper feed roller assembly. Paper feed cover 0426 Cap screw Paper feed roller assembly 0427 us.riso.com RISO Inc. Technical Communications [ 4 - 14 ]...
  • Page 67: Removing The Paper Feed Tray Button And Paper Feed Tray Upper Safety Switch

    (6) Unplug the connector, remove screws (M3x14: 2pcs), and detach the safety switch. Paper feed tray upper safety switch spring 0428 Paper feed tray button 0429 Paper feed tray upper safety switch < First paper feed stay assembly > us.riso.com RISO Inc. Technical Communications [ 4 - 15 ]...
  • Page 68: Removing Paper Feed Tray Upper Limit Sensor And Paper Feed Pressure Sensor

    (4) Unplug the connector and detach the paper feed pressure sensor. Paper feed upper limit sensor A Paper feed pressure lever Paper feed pressure sensor Paper feed upper limit sensor B “NORMAL” 0430 us.riso.com RISO Inc. Technical Communications [ 4 - 16 ]...
  • Page 69: Removing The Paper Feed Clutch

    Bent-frame of the clutch bracket 0432 0431 Clutch bracket Paper feed clutch lock Tip of the paper feed clutch 0433 0434 << Paper feed clutch >> Recess made on the pickup shaft us.riso.com RISO Inc. Technical Communications [ 4 - 17 ]...
  • Page 70: Removing The Elevator Motor

    (5) Remove a screw (M3x6: 1pc) and detach the elevator motor cover from the motor unit. (6) Unplug the connector, remove screws (M3x5: 2pcs), and detach the elevator motor from the unit. Elevator spring Elevator motor cover Elevator motor 0435 Elevator motor unit 0436 us.riso.com RISO Inc. Technical Communications [ 4 - 18 ]...
  • Page 71: Removing The Paper Feed Tray Lower Safety Switch

    (4) Remove a screw (M4x8: 1pc) and remove the switch together with the spring bracket. Spring bracket 0437 Paper feed tray lower safety switch spring Detachable wire harness band Paper feed tray lower safety switch 0438 us.riso.com RISO Inc. Technical Communications [ 4 - 19 ]...
  • Page 72: Removing The Stripper Unit

    (2) Lower the slide-lock to release the lock on the stripper unit. (3) Push the stripper release lever and detach the stripper unit from the machine. Slide-lock 0439 Stripper release lever Stripper unit us.riso.com RISO Inc. Technical Communications [ 4 - 20 ]...
  • Page 73: Removing The Stripper Pad Assembly

    Stripper pad assembly Stripper pad Stripper base 0441 0440 Stripper pad cover Stripper pad unit 0442 Stripper pad Stripper base us.riso.com RISO Inc. Technical Communications [ 4 - 21 ]...
  • Page 74: Adjustment

    Upper limit adjusting shaft Paper feed pressure lever Paper feed cover 0444 Pickup roller 0443 Upper limit sensor assembly Paper feed tray 0445 us.riso.com RISO Inc. Technical Communications [ 4 - 22 ]...
  • Page 75: Stripper Unit Adjustment

    Turn the stripper pad adjuster counterclockwise to reduce the stripper pad angle (pad angle becomes less steep.) Less steep angle Steeper angle Steeper angle Stripper pad adjuster Less steep angle 0446 us.riso.com RISO Inc. Technical Communications [ 4 - 23 ]...
  • Page 76: Paper-feed Clutch On Angle Adjustment

    (3) Repeat from step (1) to check and make readjustment if necessary. Symptoms If the buckle is too small or too large, the paper may not feed into the second paper feed area correctly, and paper jam may occur. us.riso.com RISO Inc. Technical Communications [ 4 - 24 ]...
  • Page 77: Paper-width Potentiometer Adjustment

    Paper fence 105 mm line Paper fence 297 mm line Paper feed tray 0448 297 mm line 105 mm line us.riso.com RISO Inc. Technical Communications [ 4 - 25 ]...
  • Page 78 CHAPTER 4: FIRST PAPER FEED SECTION MEMO us.riso.com RISO Inc. Technical Communications [ 4 - 26 ]...
  • Page 79: Second Paper Feed Section

    8. Removing the Print Positioning Pulse Motor ..............5-16 ADJUSTMENT 1. G-lever Mounting Position Adjustment ................5-17 2. Paper Feed Skew Adjustment ..................5-18 3. Print Start Position Adjustment ..................5-19 us.riso.com RISO Inc. Technical Communications [ 5 - 1 ]...
  • Page 80: Mechanism

    Sector gear cam Guide roller Timing Cam Sector gear assembly Load spring Sector gear spring Timing roller 0501 Timing gear G-lever assembly Guide roller pressure spring us.riso.com RISO Inc. Technical Communications [ 5 - 2 ]...
  • Page 81 The timing roller drives the guide roller with the paper clamped in between, sending the paper onto the printing area. 0502 Sector gear assembly us.riso.com RISO Inc. Technical Communications [ 5 - 3 ]...
  • Page 82: Vertical Print Position Control

    The vertical default (home) position is checked by the vertical centering sensor. Print positioning pulse motor Planetary gear Vertical print positioning assembly Cam shaft Outer vertical positioning gear Vertical centering sensor Sector gear cam Timing cam 0503 us.riso.com RISO Inc. Technical Communications [ 5 - 4 ]...
  • Page 83 The timing of the paper feeding into the printing area starts early and the print position on the paper goes down. 0505 us.riso.com RISO Inc. Technical Communications [ 5 - 5 ]...
  • Page 84: Disassembly

    (2) From the opening on the machine for the print drum, remove the snap ring. Then remove the bearing metal from the guide roller adjusting plate to free the guide roller out of the machine. Guide roller 0506 Guide roller adjusting plate Snap ring Bearing metal 0507 us.riso.com RISO Inc. Technical Communications [ 5 - 6 ]...
  • Page 85: Removing The Paper Sensor

    (1) Pull out the print drum and switch off the machine power. (2) Remove the guide roller. (3) Remove a screw ( M3x14: 1pc), and unplug the connector to remove the paper sensor. 0508 Paper sensor us.riso.com RISO Inc. Technical Communications [ 5 - 7 ]...
  • Page 86: Removing The Timing Roller

    (6) Remove the sector gear spring. (7) Detach the sector gear assembly by removing the E-ring. Paper feed drive cover TIming roller bearing ass’y 0509 Sector gear assembly Sector gear spring 0510 us.riso.com RISO Inc. Technical Communications [ 5 - 8 ]...
  • Page 87 E-ring Timing gear Timing roller bearing assembly 0513 0514 Timing roller shaft us.riso.com RISO Inc. Technical Communications [ 5 - 9 ]...
  • Page 88: Removing The Vertical Centering Sensor

    (2) Unplug the sensor connector, and by removing a screw (M4x8: 1pc), detach the vertical centering sensor off the machine together with the sensor bracket. Vertical centering sensor 0515 0516 us.riso.com RISO Inc. Technical Communications [ 5 - 10 ]...
  • Page 89: Removing The Print-positioning Intermediate Gear

    Mount the print-positioning intermediate gear back on the machine after inserting the 8mm diameter Jig shaft into the position-B phase alignment hole on the paper feed area so all other gears are aligned in position-B. Print positioning intermediate gear 0517 us.riso.com RISO Inc. Technical Communications [ 5 - 11 ]...
  • Page 90: Removing The Idler Gear

    Finally hook the longer end of the idler spring onto the hole on the base plate. Idler gear Idler spring Base plate Idler gear 0518 Idler spring Vertical print positioning assembly Cam shaft 0519 us.riso.com RISO Inc. Technical Communications [ 5 - 12 ]...
  • Page 91: Removing The Paper Feed Drive Unit

    - Timing roller bearing assembly - Paper feed drive cover - Sector gear assembly - Continues on next page - Timing roller bearing assembly 0521 Guide roller pressure spring Sector gear spring us.riso.com RISO Inc. Technical Communications [ 5 - 13 ]...
  • Page 92 - Precausion on assembly continues on next page - Hook on vertical base bracket Vertical pulse motor Paper feed drive unit Vertical centering sensor Reusable band 0522 G-lever assembly us.riso.com RISO Inc. Technical Communications [ 5 - 14 ]...
  • Page 93 Paper feed drive unit 8 mm dia. jig shaft 8 mm dia. jig shaft Outer vertical positioning gear 0523 Inner vertical positioning gear Main gear Positioning marks us.riso.com RISO Inc. Technical Communications [ 5 - 15 ]...
  • Page 94: Removing The Print Positioning Pulse Motor

    (4) Remove screws (M3x6: 2pcs) and remove the vertical pulse motor. Vertical print positioning assembly Idler spring Print positioning pulse motor Inner vertical positioning gear Outer vertical positioning gear 8mm dia. jig shaft 0524 < Paper Feed Drive Unit > us.riso.com RISO Inc. Technical Communications [ 5 - 16 ]...
  • Page 95: Adjustment

    (4) Push the G-lever cam follower against the timing cam and retighten the two springs, making sure that the cam follower is touching the cam. Timing cam G-lever 0525 G-lever cam follower G-lever 0526 Release base 0527 us.riso.com RISO Inc. Technical Communications [ 5 - 17 ]...
  • Page 96: Paper Feed Skew Adjustment

    R imprint direction moves the image at the bottom of the sheet to the left. Guide roller adjusting plate 0529 Timing roller adjusting plate BOTTOM 0528 0530 us.riso.com RISO Inc. Technical Communications [ 5 - 18 ]...
  • Page 97: Print Start Position Adjustment

    Adjustable range: -50 to +50 (-5mm to +5mm) Adjustable in units of 1 (1 = 0.1 mm) Default setting = 0 Plus (+) number brings the image up. Leading edge of the paper of the paper 0531 us.riso.com RISO Inc. Technical Communications [ 5 - 19 ]...
  • Page 98 CHAPTER 5: SECOND PAPER FEED SECTION MEMO us.riso.com RISO Inc. Technical Communications [ 5 - 20 ]...
  • Page 99: Press Section

    3. Removing the Pressure HP Sensor (RZ 3 series) .............. 6-7 4. Removing the Pressure Control Motor (RZ 3 series) ............6-8 ADJUSTMENT 1. Mounting Position of the Pressure Lever;Spring ..............6-9 us.riso.com RISO Inc. Technical Communications [ 6 - 1 ]...
  • Page 100: Mechanism

    Clamp plate base Print drum Pressure cam Pressure lever;spring Pressure spring Pressure lever;cam Pressure solenoid Pressure shaft Solenoid lever 0601 Main motor us.riso.com RISO Inc. Technical Communications [ 6 - 2 ]...
  • Page 101 CHAPTER 6: PRESS SECTION Pressure roller is raised Pressure cam Print drum Pressure lever;spring Pressure roller Pressure lever;cam Pressure shaft Pressure roller is lowered Print drum 0602 Clamp plate base us.riso.com RISO Inc. Technical Communications [ 6 - 3 ]...
  • Page 102: Pressure Control Mechanism (rz3 Series)

    The print pressure HP sensor detects the home position of the printing pressure, which is printing pressure No.3. Pressure lever ;spring Pressure control pulse motor 0603 Pressure HP sensor Pressure spring tension plate Pressure spring us.riso.com RISO Inc. Technical Communications [ 6 - 4 ]...
  • Page 103: Disassembly

    (3) Pull the pressure roller forward until the bearing disengages from the roller adjustment plate, and then lift the roller up to remove. Shouldered screw Pressure roller Bearing Roller adjustment plate 0604 The hole to insert the screw driver us.riso.com RISO Inc. Technical Communications [ 6 - 5 ]...
  • Page 104: Removing The Pressure Lever:spring & Pressure Lever;cam

    << Precaution in Reassembly >> Make sure to adjust the mounting position of the pressure lever;spring. (Refer to end of this chapter) Pressure lever;spring Pressure lever;cam 0605 Pressure shaft Follower spring us.riso.com RISO Inc. Technical Communications [ 6 - 6 ]...
  • Page 105: Removing The Pressure Hp Sensor (rz 3 Series)

    PCB and mechanical control PCB. (2) Remove the pressure HP sensor from the machine together with the sensor bracket by disconnecting the sensor connector and a screw (M3x6: 1pc). Pressure HP sensor Screw 0606 us.riso.com RISO Inc. Technical Communications [ 6 - 7 ]...
  • Page 106: Removing The Pressure Control Motor (rz 3 Series)

    (6) Remove the pressure control pulse motor from the pressure control unit by removing screws (M3x6: 2pcs). Pressure control pulse motor Reusable band Pressure control unit Pressure control pulse motor Pressure HP sensor 0607 0608 < Pressure Control Unit > us.riso.com RISO Inc. Technical Communications [ 6 - 8 ]...
  • Page 107: Adjustment

    Pressure lever; spring Pressure cam Pressure lever;cam 0609 Pressure spring Solenoid lever Pressure lever;cam Pressure lever;spring 0610 us.riso.com RISO Inc. Technical Communications [ 6 - 9 ]...
  • Page 108 In addition to the too much pressure, the up-and-down motion of the pressure roller becomes out of timing, and may result in ink leakage from the print drum. us.riso.com RISO Inc. Technical Communications [ 6 - 10 ]...
  • Page 109: Paper Ejection Section

    8. Removing the Separator ....................7-15 9. Removing the Separation Lever ..................7-16 10. Removing the O-ring, Piston and Cylinder of the Air Pump..........7-17 ADJUSTMENT 1. Separator Mounting Position .................... 7-21 us.riso.com RISO Inc. Technical Communications [ 7 - 1 ]...
  • Page 110: Mechanism

    Separator Separation fan Paper ejection sensor FLOW OF PRINTING PAPERS FG sensor disc 0701 Paper ejection motor Transfer belt Paper ejection FG sensor Suction fan us.riso.com RISO Inc. Technical Communications [ 7 - 2 ]...
  • Page 111: Paper Separator Mechanism

    Main gear Separator lever assembly Separator DOWN Separator UP 0703 0702 Separator Print drum Slid rail Release arm 0704 Release lever Separator shaft Separator us.riso.com RISO Inc. Technical Communications [ 7 - 3 ]...
  • Page 112: Paper-ejection-wing Mechanism (rz 3 Series)

    B4 size. 0706 S Wing (3) The wing-M, belt roller and wing-S are all at low position. This wing position is for all paper sizes of thick card papers. 0707 us.riso.com RISO Inc. Technical Communications [ 7 - 4 ]...
  • Page 113: Disassembly

    1. Removing the Paper Receiving Tray (1) Open the paper receiving tray to an angle of about 45 degrees and lift it vertically upwards to detach from the machine. Paper receiving tray 0708 us.riso.com RISO Inc. Technical Communications [ 7 - 5 ]...
  • Page 114: Removing The Suction Unit

    (4) Disconnect one wire harness connector, remove screws (M4x8: 2pcs) and pull the suction unit out while lifting it up a little. 0709 Paper ejection cover Suction unit 0710 Wing cam assembly Connector us.riso.com RISO Inc. Technical Communications [ 7 - 6 ]...
  • Page 115: Removing The Paper Ejection Motor And Paper Ejection Fg Sensor

    (4) Disconnect the connector and remove the paper ejection FG sensor from the bracket by unlocking the plastic hooks. Suction unit Paper ejection motor 0711 < Bottom View > Paper ejection motor 0712 Paper ejection FG sensor 0713 Timing belt us.riso.com RISO Inc. Technical Communications [ 7 - 7 ]...
  • Page 116: Removing The Suction Upper Assembly (rz3 Series)

    (3) Remove screws (M4x8: 4pcs), unplug the connector and separate the suction upper assembly from the suction unit. Suction upper assembly 0714 < Suction Unit > Timing belt Connector 0715 < Suction Upper Assembly > us.riso.com RISO Inc. Technical Communications [ 7 - 8 ]...
  • Page 117: Removing The Suction Upper Assembly (rz2 Series)

    Fixed-wing;rear 0718 0717 Portion of the fixed-wing to fit Slot for the wing to fit. into the slot on the suction upper assembly. Connector 0719 < Suction Upper Assembly > us.riso.com RISO Inc. Technical Communications [ 7 - 9 ]...
  • Page 118: Removing The Paper Ejection Sensor

    (3) Remove a screw (M3x6: 1pc), disconnect the connector, and detach the paper ejection sensor together with the sensor bracket. 0720 < Suction upper assembly > Paper ejection sensor 0721 Paper ejection sensor bracket 0722 us.riso.com RISO Inc. Technical Communications [ 7 - 10 ]...
  • Page 119: Removing The Transfer Belts (rz3 Series)

    (6) Remove the transfer belts by first dropping them in the gap between the wing-S and transfer base to ease the tension of the belts. Joint plate-S Joint plate-M Suction box 0723 Transfer base 0725 0724 Shaft-2 assembly Transfer belts Wing-S Transfer base 0726 us.riso.com RISO Inc. Technical Communications [ 7 - 11 ]...
  • Page 120: Removing The Transfer Belts (rz2 Series)

    (4) Lift the shaft-2 assembly with a finger, unhook it from the suction upper assembly and detach it. (5) Remove the transfer belts. Suction box 0727 Transfer base 0728 0729 Shaft-2 assembly Transfer belts Transfer base 0730 us.riso.com RISO Inc. Technical Communications [ 7 - 12 ]...
  • Page 121: Removing The Separation Fan Unit

    (2) Remove screws (M4x8: 2pcs), unplug the connector, and remove the separation fan. - Precaution in assembly continues on next page - Separation fan unit 0731 0732 Connector Connector 0733 < Separation Fan Unit > us.riso.com RISO Inc. Technical Communications [ 7 - 13 ]...
  • Page 122 < U-shaped hook > ( Side View ) 0736 < Separation Fan Unit > 0735 Flat pins on the machine frame inserted through the rectangular holes on the separation fan unit. 0737 us.riso.com RISO Inc. Technical Communications [ 7 - 14 ]...
  • Page 123: Removing The Separator

    (3) Remove the cap screws (M3x10: 2pcs) and detach the separator from the shaft. < Precaution in Reassembly > The pinch knobs on the power-band should face towards you when installing it on the air-hose. Separator 0738 Air-hose Power-band us.riso.com RISO Inc. Technical Communications [ 7 - 15 ]...
  • Page 124: Removing The Separation Lever

    9. Removing the Separation Lever (1) Remove the main shaft assembly. (Refer to chapter 3) (2) Remove the cap screw (M3x10: 1pc) and detach the separator lever assembly. 0739 Pressure lever;spring Separator lever assembly us.riso.com RISO Inc. Technical Communications [ 7 - 16 ]...
  • Page 125: Removing The O-ring, Piston And Cylinder Of The Air Pump

    (5) Pull the piston assembly out from the air pump cylinder. - Precaution in assembly continues on next page - 0740 Air pump gear assembly Air pump cylinder 0741 < Piston Assembly > us.riso.com RISO Inc. Technical Communications [ 7 - 17 ]...
  • Page 126 0744 Removing the O-ring (6) Remove the O-ring from the piston assembly. O-Ring Piston assembly 0745 << Precaution in Reassembly >> Apply white plastic grease on the O-ring. us.riso.com RISO Inc. Technical Communications [ 7 - 18 ]...
  • Page 127 Piston 0747 Air intake hole on the piston Concave side of the rib faces ourt. should be on the concave side of the rib on the arm. us.riso.com RISO Inc. Technical Communications [ 7 - 19 ]...
  • Page 128 (2) Do not loosen the one screw indicated on the photograph below. 0748 Cylinder 0749 Do not loosen this screw < Air Pump base > Air release valve Air pump cylinder 0750 Spring us.riso.com RISO Inc. Technical Communications [ 7 - 20 ]...
  • Page 129: Adjustment

    (refer to the photographs on next page). Aim with a flash light from the paper receiving side of the machine if neccessary. Screw - Continues to next page - 0752 0751 Separator adjusting plate Screw 0754 0753 Graduation scale us.riso.com RISO Inc. Technical Communications [ 7 - 21 ]...
  • Page 130 (2) If the gap is too wide, the separator does not lift the paper off the print drum and causes paper jam on the print drum. us.riso.com RISO Inc. Technical Communications [ 7 - 22 ]...
  • Page 131: Print Drum Section

    12. Removing the Flange-R ....................8-21 13. Removing the Flange-F ....................8-22 14. Removing the Squeegee Roller ..................8-23 ADJUSTMENT 1. Squeegee Gap Adjustment ....................8-27 2. Squeegee Pressure Balance Adjustment ................. 8-29 us.riso.com RISO Inc. Technical Communications [ 8 - 1 ]...
  • Page 132: Mechanism

    OFF. Print drum at 40 degrees from Reflection preventing cloth position-A. Master sensor 0801 us.riso.com RISO Inc. Technical Communications [ 8 - 2 ]...
  • Page 133: Print Drum Set Mechanism

    When the print drum safety SW is OFF, the main motor, clamp motor, master removal vertical transport motor and master compression motor will not go ON. 0802 Print drum lock sensor Drawer connector Print drum safety SW us.riso.com RISO Inc. Technical Communications [ 8 - 3 ]...
  • Page 134: Print Drum Rotation Mechanism

    The doctor roller is fixed in position and does not rotate. Flange-R Drum joint Flange-R Flange gear 0803 Drive joint Doctor roller Driven shaft 0804 Squeegee idle gear Squeegee drive gear Driven shaft gear Squeegee roller Squeegee gear us.riso.com RISO Inc. Technical Communications [ 8 - 4 ]...
  • Page 135: Inking Mechanism

    The overflow sensor is located in the print drum to stop the machine to prevent ink overflow in the case the bead of ink for some reasons becomes too large. Inking motor Ink sensor Overflow sensor Doctor roller 0805 Ink distributor Squeegee roller Driven shaft us.riso.com RISO Inc. Technical Communications [ 8 - 5 ]...
  • Page 136: Disassembly

    (3) Remove a screw (M3x6: 1pc) and detach the print drum lock sensor from the drum lock unit together with the sensor bracket. Drum lock sensor 0807 0808 < viewed from the rear > < Drum lock unit > us.riso.com RISO Inc. Technical Communications [ 8 - 6 ]...
  • Page 137 (3) Unhook the torsion spring, remove the E-ring, and detach the drum safety switch together with the switch bracket. Print drum lock solenoid 0809 Print drum safety switch 0810 Torsion spring E-ring 0811 us.riso.com RISO Inc. Technical Communications [ 8 - 7 ]...
  • Page 138: Removing The Screen Assembly

    Caution: Do not fold or bend the screen assembly during the removal or installation. Refer to the next page for the precautions in reassembly. Screen assembly 0812 Tail hanger 0813 0814 Top hanger us.riso.com RISO Inc. Technical Communications [ 8 - 8 ]...
  • Page 139 Pillar to which the loop of the jig is to hook. Top hanger Tail hanger Screen JIG Screen assembly 0816 < REAR > Screen JIG Top hanger Tail hanger Screen assembly 0817 < FRONT > us.riso.com RISO Inc. Technical Communications [ 8 - 9 ]...
  • Page 140: Removing The Master Clamp Base Assembly

    (1) Make a confidential master on the print drum and pull out the drum from the machine. (2) Remove screws (M3x6: 4pcs) and detach the master clamp base assembly from the print drum. Master clamp base 0818 0819 0820 0821 < Master Clamp Base > us.riso.com RISO Inc. Technical Communications [ 8 - 10 ]...
  • Page 141: Removing The Drum Body

    (5) Slide the drum body and unhook the potbelly-shaped holes from the two loosened screws, and then remove the drum body. - Precautions in assembly continues on next page - Drum body Tape 0822 Joint section of the drum body. 0823 < Enlarged View > us.riso.com RISO Inc. Technical Communications [ 8 - 11 ]...
  • Page 142 Drum body Screen JIG Screen JIG 0826 0827 Flange-R Flange-F us.riso.com RISO Inc. Technical Communications [ 8 - 12 ]...
  • Page 143 (7) Remove the screen jigs off the print drum, and place the adhesive tape back on the joint section of the drum body while pushing down the joint section for a tight hold by the tape. (8) Remove the two screws used by above step (6). Tape 0830 us.riso.com RISO Inc. Technical Communications [ 8 - 13 ]...
  • Page 144: Removing The Ink Scraper Plate Assembly F & R

    (3) Remove screws (M3x8: 1pc each), and remove the scraper plate assembly F & R. 0831 0832 Ink scraper assembly R < Ink scraper assembly R > 0833 0834 Ink scraper assembly F < Ink scraper assembly F > us.riso.com RISO Inc. Technical Communications [ 8 - 14 ]...
  • Page 145: Removing The Ink Pump Assembly

    (3) Disconnect the inking motor FG sensor connector and the inking motor connector. Then remove screws (M4x8: 2pcs) and detach the ink pump assembly. Inking motor connector 0835 Inking motor FG sensor connector Inking pump us.riso.com RISO Inc. Technical Communications [ 8 - 15 ]...
  • Page 146: Removing The Ink Bottle Guide Assembly

    (5) Remove screws(M3x8: 4pcs), and lift out the ink bottle guide assembly from the print drum after sliding it towards the center of the drum. Antenna PCB Antenna connector pin 0836 Inspection cap 0837 Ink bottle guide assembly 0838 Reusable bands 0839 Bottle set SW connector us.riso.com RISO Inc. Technical Communications [ 8 - 16 ]...
  • Page 147: Removing The Ink Bottle Lock Assembly & Antenna Pcb

    (3) Separate the ink bottle guide (top) from the ink bottle guide (bottom) by unhooking the claws. (4) Remove the antenna PCB from the PCB holder. Ink bottle guide assembly PCB holder Antenna PCB Ink bottle guide (top) 0841 Ink bottle guide (bottom) 0842 0843 us.riso.com RISO Inc. Technical Communications [ 8 - 17 ]...
  • Page 148: Removing The Ink Sensor Pcb

    Ink bottle guide assembly (3) Disconnect the ink sensor PCB connector, remove screws (M3x8: 2pcs) and detach the ink sensor PCB. Connector Ink sensor PCB 0844 0845 < Ink Sensor PCB > us.riso.com RISO Inc. Technical Communications [ 8 - 18 ]...
  • Page 149: Removing The Print Drum Pcb

    (1) Remove the print drum from the machine, and detach the drum cover from the drum by removing screws (M3x6: 4pcs). (2) Disconnect wire harness connectors (6 locations), remove screws (M3x8: 2pcs) and detach the print drum PCB. Drum cover 0846 Print drum PCB 0847 us.riso.com RISO Inc. Technical Communications [ 8 - 19 ]...
  • Page 150: Removing The Drum Joint

    (4) Remove screws (M4x8: 3pcs) and remove the drum joint. Drum side frame Drum side frame Drum rear frame assembly 0848 Drum side frame Drum side frame Drum joint < Front > 0850 < Rear > 0849 0851 us.riso.com RISO Inc. Technical Communications [ 8 - 20 ]...
  • Page 151: Removing The Flange-r

    Screen assembly Master clamp base assembly Drum body Drum side frames (2pcs) Drum rear frame assembly Drum joint (3) Remove the C-ring and detach the flange-R. 0852 C-ring Flange-R 0853 us.riso.com RISO Inc. Technical Communications [ 8 - 21 ]...
  • Page 152: Removing The Flange-f

    (5) Detach the flange-F. * Remaining two flange support rollers can be removed after removing the flange-F. Drum front frame assembly Reusable band 0854 0856 0855 Flange F Lock-clip Flange support roller us.riso.com RISO Inc. Technical Communications [ 8 - 22 ]...
  • Page 153: Removing The Squeegee Roller

    (7) Also from the rear of the print drum, remove the squeegee drive gear by detaching an E-ring. - continues on next page - 0858 Squeegee drive gear Squeegee idle gear us.riso.com RISO Inc. Technical Communications [ 8 - 23 ]...
  • Page 154 Shoulder screw (9) Remove screws (M4x8: 2pcs) and also the shoulder screw from the rear of the print drum. - continues on next page - < REAR > 0860 Shoulder screw us.riso.com RISO Inc. Technical Communications [ 8 - 24 ]...
  • Page 155 - continues on next page - < FRONT > Squeegee-gap cam Squeegee side frame-F 0861 < REAR > squeegee-gap cam Squeegee side frame-R 0862 < SQUEEGEE UNIT > Squeegee side frame-R Squeegee side frame-F 0863 us.riso.com RISO Inc. Technical Communications [ 8 - 25 ]...
  • Page 156 * The doctor roller, pressed tightly fit into the ink block F & R, will also come loose. Squeegee side frame-R Ink block-R 0864 REAR Doctor roller Squeegee roller 0865 FRONT Driven shaft 0866 Ink block-F Squeegee side frame-F us.riso.com RISO Inc. Technical Communications [ 8 - 26 ]...
  • Page 157: Adjustment

    - Refer to the next page for the photograph of the rear side. < FRONT > Drum handle Drum handle lever (inside) 0875 Squeegee-gap adjustment plate 0867 Squeegee-gap adjustment plate Narrower 0868 0876 Securing screw on the Squeegee-gap adjustment plate. Wider us.riso.com RISO Inc. Technical Communications [ 8 - 27 ]...
  • Page 158 RISO Inc. Technical Communications [ 8 - 28 ]...
  • Page 159: Squeegee Pressure Balance Adjustment

    - the adjusting procedure for the rear side of the print drum continues on the next page - Narrower Squeegee gap cam 0878 Wider 0871 < FRONT > Squeegee gap cam Drum front frame assembly 0872 us.riso.com RISO Inc. Technical Communications [ 8 - 29 ]...
  • Page 160 RISO Inc. Technical Communications [ 8 - 30 ]...
  • Page 161: Clamp Unit

    4. Clamp Plate Master Clamp Mechanism ................9-5 DISASSEMBLY 1. Removing the Clamp Unit ....................9-6 2. Removing the Clamp Motor ....................9-7 3. Removing the Clamp Sensors A & B .................. 9-8 us.riso.com RISO Inc. Technical Communications [ 9 - 1 ]...
  • Page 162: Mechanism

    Clamp sensor-A Position-A compensation plate Clamp opening cam 0901 Clamp motor Clamp sensor-B 0902 us.riso.com RISO Inc. Technical Communications [ 9 - 2 ]...
  • Page 163: Clamp Plate Opening Mechanism

    Clamp sensor-B Clamp cam Clamp opening cam Clamp plate Master ejection plate Master 0903 0904 0905 us.riso.com RISO Inc. Technical Communications [ 9 - 3 ]...
  • Page 164: Drum Position-a Compensation

    Clamp sensor-B Clamp cam Position-A compensation plate Clamp opening cam Compensator pin Master ejection plate Clamp plate 0906 0907 us.riso.com RISO Inc. Technical Communications [ 9 - 4 ]...
  • Page 165: Clamp Plate Master Clamp Mechanism

    At this stage both the clamp opening cam and position-A compensation plate are brought up back to their home position. Clamp sensor-B Clamp sensor-A Position-A compensation plate Clamp cam Clamp opening cam Clamp plate Master ejection plate Master 0908 0909 0910 us.riso.com RISO Inc. Technical Communications [ 9 - 5 ]...
  • Page 166: Disassembly

    (2) Disconnect the clamp motor connector and relay connector. Remove screws (M4x8: 3pcs) and remove the clamp unit from the machine. Clamp motor connector Relay connector 0911 Clamp unit 0912 < Clamp Unit > us.riso.com RISO Inc. Technical Communications [ 9 - 6 ]...
  • Page 167: Removing The Clamp Motor

    (3) Detach the helical/spur gear and spur gear by removing an E-ring on the helical/spur gear. (4) Detach the clamp motor by unplugging the connector and removing the screws (M3x5: 2pcs). Clamp motor Connector Spur gear 0913 Helical / spur gear us.riso.com RISO Inc. Technical Communications [ 9 - 7 ]...
  • Page 168: Removing The Clamp Sensors A & B

    (4) Remove a screw (M3x6: 1pc) and detach the clamp sensor plate with the two sensors attached. (5) Unplug the connectors and unhook and remove each sensor from the clamp sensor plate. Reusable band Clamp sensor-A 0914 Clamp sensor-B Clamp sensor plate us.riso.com RISO Inc. Technical Communications [ 9 - 8 ]...
  • Page 169: Master Removal Section

    10. Removing the Pulley Shaft .................... 10-17 11. Removing the Master Removal Roller (Upper) .............. 10-18 12. Removing the Round Belts .................... 10-19 13. Removing the Master Removal Housing Assembly ............10-20 us.riso.com RISO Inc. Technical Communications [ 10 - 1 ]...
  • Page 170: Mechanism

    Master sensor 1001 Master release bar 1002 Master disposal box Master compression plate Master-guiding-plate 1003 Tail edge of the master being wrapped around the print drum. Master disposal box us.riso.com RISO Inc. Technical Communications [ 10 - 2 ]...
  • Page 171: Master On The Drum Check Mechanism (before Master Removal)

    Drum angle 40 degrees Anti-reflection cloth Master sensor 1004 us.riso.com RISO Inc. Technical Communications [ 10 - 3 ]...
  • Page 172: Removed Master Vertical Transport Mechanism

    Master removal motor FG sensor Pulley shaft Master compression plate Master removal roller (upper) Master removal 1006 pulley Master-guiding-plate B Master removal sensor Master-guiding-plate A Master-guiding-plate B Master removal roller (bottom) us.riso.com RISO Inc. Technical Communications [ 10 - 4 ]...
  • Page 173: Disposed Master Compression Mechanism

    (adjustable by test mode No.576), the master disposal box is detected to be full. The LED lamp on the operation panel lights to give the FULL message. Master compression plate HP sensor Master compression plate 1007 1009 1008 Maximum compressing position Master disposal box FULL position us.riso.com RISO Inc. Technical Communications [ 10 - 5 ]...
  • Page 174: Master Disposal Box Safety Sw

    OFF the master disposal box safety switch for 5 seconds to reset and clear the LED indication. 1010 Master disposal box safety SW us.riso.com RISO Inc. Technical Communications [ 10 - 6 ]...
  • Page 175: Disassembly

    (2) Disconnect the connector to the sensor and unplug the reusable band from the sensor bracket. (3) Remove a screw (M3x6: 1pc) and detach the master compression FG sensor together with the bracket. Reusable band Compression FG sensor 1011 1012 us.riso.com RISO Inc. Technical Communications [ 10 - 7 ]...
  • Page 176: Removing The Master Compression Motor

    * Be careful not to lose the white thin plastic spacer on the tip of the worm-gear on the motor shaft. Compression gear Spur gear Compression gear cover Helical/spur gear Master compression motor Motor mounting plate 1013 1014 Compression motor Motor bracket Plastic spacer us.riso.com RISO Inc. Technical Communications [ 10 - 8 ]...
  • Page 177: Removing The Master Removal Unit

    (M4x8: 1pc) located on the top right, and slide the master removal unit out toward the operators side of the machine. Master disposal box 1015 Master removal cover R Master removal cover F SCREW SCREW 1016 SCREW Connector Master removal unit 1017 Connector us.riso.com RISO Inc. Technical Communications [ 10 - 9 ]...
  • Page 178: Removing The Master Removal Sensor & Master Sensor

    (2) Disconnect the sensor connector, remove a screw (M3x6: 1pc) by inserting a screwdriver through a hole on the master disposal housing, and detach the master sensor. Master sensor Master disposal housing Master removal sensor 1018 1019 1020 < Master Removal Unit > us.riso.com RISO Inc. Technical Communications [ 10 - 10 ]...
  • Page 179: Removing The Master Removal Motor & Master Removal Motor Fg Sensor

    Removing the master removal motor FG sensor (5) Disconnect the sensor connector and detach the master removal motor FG sensor. Spur gear 1021 Master removal motor 1023 Master removal motor FG sensor 1022 Timing belt us.riso.com RISO Inc. Technical Communications [ 10 - 11 ]...
  • Page 180: Removing The Master Compression Plate Hp Sensor

    Compression gear cover Master compression plate 1024 1025 < Master Compression Plate at HP position > 1026 Master compression plate HP sensor 1027 < Master Compression Plate at its lowered position > us.riso.com RISO Inc. Technical Communications [ 10 - 12 ]...
  • Page 181: Removing The Master Disposal Box Safety Sw

    SW together with switch bracket. 1029 1028 Master disposal box guiding plate Master removal roller lock lever Switch spring 1031 < View from > 1030 Master disposal box safety SW us.riso.com RISO Inc. Technical Communications [ 10 - 13 ]...
  • Page 182: Removing The Master Removal Roller (bottom)

    < Master Removal Roller (bottom) in raised position > Master removal roller (bottom) Master removal roller release lever 1033 1034 < Master Removal Roller (bottom) in dropped position > Master removal roller (bottom) us.riso.com RISO Inc. Technical Communications [ 10 - 14 ]...
  • Page 183 Detach the master removal roller (bottom) from the assembly. Spur gear Master removal roller (Bottom) Joint arm 1039 1038 1040 < Master Removal Roller (Bottom) Assembly > Spur gear us.riso.com RISO Inc. Technical Communications [ 10 - 15 ]...
  • Page 184: Removing The Master Compression Plate

    (5) Remove an E-ring and metal bushing from the front of the unit and detach the master compression plate. 1041 < REAR > < FRONT > Master compression plate Compression gear 1042 1043 1044 1045 < Master Compression Plate > us.riso.com RISO Inc. Technical Communications [ 10 - 16 ]...
  • Page 185: Removing The Pulley Shaft

    Remove the pulley shaft from the unit by pulling it out though the round belts. 1046 Pulley-shaft gear Pulley shaft Round belt 1047 Round belt Pulley shaft Snap ring Snap ring Flanged gear Metal bushing 1048 us.riso.com RISO Inc. Technical Communications [ 10 - 17 ]...
  • Page 186: Removing The Master Removal Roller (upper)

    * Do not lose the two flat-washers, and do not forget to put them during the assembly. 1051 Flat-washer AF-spring AR-spring Flat-washer 1049 1050 Snap ring Master removal roller (upper) Round belt Round belt Master removal roller (upper) us.riso.com RISO Inc. Technical Communications [ 10 - 18 ]...
  • Page 187: Removing The Round Belts

    (2) Press the master removal roller release lever to release the master removal roller (bottom). (3) Removing the following two components enable the round belts to be removed. Pulley-shaft Master removal roller (upper) us.riso.com RISO Inc. Technical Communications [ 10 - 19 ]...
  • Page 188: Removing The Master Removal Housing Assembly

    - Fit the boss on the release lever into the groove on the roller hook-F. Roller hook spring-R Release lever spring 1053 1052 Master removal housing assembly Connector Side plate-F 1054 us.riso.com RISO Inc. Technical Communications [ 10 - 20 ]...
  • Page 189 CHAPTER 10: MASTER REMOVAL SECTION 1055 < Master Removal Housing Assembly > Boss on the release lever 1057 Groove on the roller hook-F 1056 us.riso.com RISO Inc. Technical Communications [ 10 - 21 ]...
  • Page 190 CHAPTER 10: MASTER REMOVAL SECTION MEMO us.riso.com RISO Inc. Technical Communications [ 10 - 22 ]...
  • Page 191: Fb Original Scanning Section ( Rz3 Series

    1. FB Read Pulse Motor Speed Adjustment (Image Elongation & Shrinkage in Scanning) . 11-14 2. FB Scan Start Position Adjustment ................. 11-14 3. FB Horizontal Scan Position Adjustment ................ 11-14 us.riso.com RISO Inc. Technical Communications [ 11 - 1 ]...
  • Page 192: Mechanism

    The original on the scanner table illuminated by the lamp is reflected via mirrors No.1, 2, and 3, and the scanned image is then focused onto the CCD by the lens on the CCD assembly. FB read pulse motor Pulley 2 1101 Mirror carriage Lamp carriage us.riso.com RISO Inc. Technical Communications [ 11 - 2 ]...
  • Page 193 Mirror carriage Wire Pulley Pulley 2 Wire spool pulley Optical system diagram Reflector Original illumination lamp Mirror No.2 Lamp carriage CCD assembly Mirror Carriage Mirror No.1 1103 Mirror No.3 Lens us.riso.com RISO Inc. Technical Communications [ 11 - 3 ]...
  • Page 194: Flatbed Initialization Movement

    Then, the initialization movement explained by above paragraph (2) is made. FB/AF HP sensor Stage-cover sensor 1104 Lamp carriage FB read pulse motor 1105 us.riso.com RISO Inc. Technical Communications [ 11 - 4 ]...
  • Page 195: Stage-glass Original Detection Mechanism

    The FB read pulse motor then rotates in the reverse direction to bring the lamp carriage back to the standby position and starts the original scanning. Shading compensating area Auto-base-control .5mm .5mm 10mm 1106 3.5mm 6.5mm 3 mm 15mm Home position Standby position Gain adjustment FB/AF HP sensor us.riso.com RISO Inc. Technical Communications [ 11 - 5 ]...
  • Page 196: Fb Scanning Mechanism

    If the Book mode scanning is selected, the read signal is turned off for the length of 20mm in the center of the paper size set on the paper feed tray. The lamp carriage returns back to the home position after the scanning operation is finished. us.riso.com RISO Inc. Technical Communications [ 11 - 6 ]...
  • Page 197: Disassembly

    (2) Prior to reassembly, memo down the information label located on the top right of the scanner unit, listing the necessary Test Mode adjustments for the scanner unit. < Enlarged View > Label 1125 1124 < EXAMPLE > us.riso.com RISO Inc. Technical Communications [ 11 - 7 ]...
  • Page 198: Removing The Stage Glass

    (3) Push and slide the stage glass against the original stopper. (4) Install the plate springs F & R, pushing tightly against the stage glass, and secure with screws. (5) Reinstall the covers. us.riso.com RISO Inc. Technical Communications [ 11 - 8 ]...
  • Page 199: Removing The Fb Original Detection Sensor

    (3) Disengage the claws (3 locations) on the FB original detection sensor from the sensor cover to detach the sensor. FB original detection sensor Sensor cover 1110 Sensor cover Connector FB original detection sensor 1111 Sensor claws Sensor claw 1112 < FB Original Detection Sensor > us.riso.com RISO Inc. Technical Communications [ 11 - 9 ]...
  • Page 200: Removing The Scanner Lamp

    Scanner lamp Inverter cover Cutout section Cutout section 1113 Connector Cord clamps Cutout section Scanner lamp Clear plastic sheet 1114 Wire harness 1115 us.riso.com RISO Inc. Technical Communications [ 11 - 10 ]...
  • Page 201: Removing The Ccd Unit

    To prevent damages to the CCD PCB, firmly support the PCB by hand while connecting or disconnecting the CCD cable to the PCB. CCD PCB 1116 CCD cover 1117 Positioning bracket CCD PCB CCD cable CCD Unit Positioning bracket 1118 CCD cable CCD Unit us.riso.com RISO Inc. Technical Communications [ 11 - 11 ]...
  • Page 202: Removing The Fb/af Hp Sensor

    (M3x6: 1pc), and disconnect the connector to the sensor. (3) Disengage the claws on the FB/AF HP sensor from the sensor bracket to remove the sensor. Sensor bracket Connector 1119 1120 Sensor bracket FB/AF HP sensor us.riso.com RISO Inc. Technical Communications [ 11 - 12 ]...
  • Page 203: Removing The Fb Read Pulse Motor

    FB read pulse motor bracket onto the scanner unit. Motor bracket FB read pulse motor Bent edge 1121 FB read pulse motor Timing belt 1122 us.riso.com RISO Inc. Technical Communications [ 11 - 13 ]...
  • Page 204: Adjustment

    (2) Look at the master made on the print drum. Confirm that all the “e” images are made on the right and left of the master on the print drum. (3) If any of the “e” images are omitted, make an adjustment using Test Mode No. 380 (FB Horizontal Scan Position Adjustment). us.riso.com RISO Inc. Technical Communications [ 11 - 14 ]...
  • Page 205: Fb Original Scanning Section ( Rz2 Series

    1. FB Read Pulse Motor Speed Adjustment (Image Elongation & Shrinkage in Scanning) . 12-11 2. FB Scan Start Position Adjustment ................. 12-11 3. FB Horizontal Scan Position Adjustment ................ 12-11 4. Image Scanner Position Adjustment ................12-12 us.riso.com RISO Inc. Technical Communications [ 12 - 1 ]...
  • Page 206: Mechanism

    When the FB read pulse motor is rotated, the image scanner carriage travels under the stage glass and scans the image on the original. FB read pulse motor Wire drum 1201 Pulley Image scanner FB read pulse motor 1202 Scanner carriage us.riso.com RISO Inc. Technical Communications [ 12 - 2 ]...
  • Page 207: Flatbed Initialization Movement

    AD reference adjustments are performed. Then, the initialization movement explained by above paragraph (2) is made. FB/AF HP sensor Image scanner carriage 1203 FB read pulse motor 1204 us.riso.com RISO Inc. Technical Communications [ 12 - 3 ]...
  • Page 208: Stage-glass Original Detection Mechanism

    If the Book mode scanning is selected, the read signal is turned off for the length of 20mm in the center of the paper size set on the paper feed tray. The image scanner carriage returns back to the home position after the scanning operation is finished. us.riso.com RISO Inc. Technical Communications [ 12 - 4 ]...
  • Page 209: Disassembly

    (If the image scanner carriage is fixed at shipping position by a large screw, that screw must be removed.) FB/AF HP sensor Relay PCB FB read pulse motor Hinge bracket Hinge bracket Stage-cover sensor 1206 us.riso.com RISO Inc. Technical Communications [ 12 - 5 ]...
  • Page 210: Removing The Stage Glass

    Scanner cover;paper ejection (2) Remove one stepped screw and the three flat screws, and remove the original stopper. (3) Lift the stage glass to remove. 1207 Original stopper Stage glass us.riso.com RISO Inc. Technical Communications [ 12 - 6 ]...
  • Page 211: Removing The Fb Original Detection Sensor

    (1) Switch off the machine power and remove the stage glass. (2) Disconnect the connector to the sensor, remove a screw (M3x6: 1pc) and detach the FB original detection sensor from the scanner unit. 1208 FB original detection sensor us.riso.com RISO Inc. Technical Communications [ 12 - 7 ]...
  • Page 212: Removing The Fb/af Hp Sensor

    (2) Disconnect the connector, remove screw (M3x6: 1pc) and remove the FB/AF HP sensor together with the sensor bracket. 1209 Connector FB / AF HP sensor FB / AF HP sensor 1210 Sensor bracket us.riso.com RISO Inc. Technical Communications [ 12 - 8 ]...
  • Page 213: Removing The Image Scanner

    After mounting the image scanner on the scanner unit, perform the image scanner position adjustment described on the last page of this chapter. 1211 Image scanner carriage Slider Sheet spring Flat cable Sheet spring Slider 1212 1213 Slider Image scanner Slider us.riso.com RISO Inc. Technical Communications [ 12 - 9 ]...
  • Page 214: Removing The Fb Read Pulse Motor

    Screw on the FB read pulse motor bracket, with the motor attached, loosely on the scanner unit. Hook the wire-tension spring and then securely tighten the four screws of the motor bracket. FB read pulse motor Wire-tension spring 1214 Timing belt 1215 us.riso.com RISO Inc. Technical Communications [ 12 - 10 ]...
  • Page 215: Adjustment

    (2) Look at the master made on the print drum. Confirm that all the “e” images are made on the right and left of the master on the print drum. (3) If any of the “e” images are omitted, make an adjustment using Test Mode No. 380 (FB Horizontal Scan Position Adjustment). us.riso.com RISO Inc. Technical Communications [ 12 - 11 ]...
  • Page 216: Image Scanner Position Adjustment

    (5) Mount the stage glass and original stopper back on the scanner unit. Make a master and confirm that the image on the print lines up with the original. Repeat the adjustment if required. Screw-B 1217 Cam-B Image scanner Image scanner carriage Screw-B 1216 Cam-A Screw-A us.riso.com RISO Inc. Technical Communications [ 12 - 12 ]...
  • Page 217: Af Scanning Section

    1. AF Read Pulse Motor Speed Adjustment (Image elongation & shrinkage control in AF scanning) ........................13-16 2. AF Scan Start Position Adjustment ................. 13-16 3. AF Horizontal Scan Position Adjustment ................ 13-16 4. AF Read Sensor Sensitivity Adjustment ................. 13-16 us.riso.com RISO Inc. Technical Communications [ 13 - 1 ]...
  • Page 218: Mechanism

    100 mm from the original stopper gate. AF Registration sensor AF Original detection sensor Registration roller Original stopper gate Pickup roller Original feed 1301 Read roller Stripper roller Pickup pad Original ejection roller Stripper pad us.riso.com RISO Inc. Technical Communications [ 13 - 2 ]...
  • Page 219 Registration roller gear Original stopper gate Pickup roller AF read pulse motor AF Original detection sensor Original guide fence 1302 Read roller Registration roller AF registration sensor Original ejection roller Timing belt us.riso.com RISO Inc. Technical Communications [ 13 - 3 ]...
  • Page 220: Af Original Scanning Mechanism (with Auto-base Control) -- [available Only On Rz3 Models]

    The auto-base control function is inactive in the Photo, Duo and Dot-screening modes. * Compensation value A = Test Mode No. 3071 (AF-ABC Mirror Position Adjustment. Note: ABC is an abbreviation for Auto Base Control. us.riso.com RISO Inc. Technical Communications [ 13 - 4 ]...
  • Page 221: Af Original Scanning Mechanism

    AF read pulse motor stops to end the AF original scanning movement. Original ejection roller AF read sensor Registration roller AF original Read roller ejection sensor Original OUT 1303 White plate used for shading compensation Anti-reflection sheet AF Scanning window us.riso.com RISO Inc. Technical Communications [ 13 - 5 ]...
  • Page 222: Disassembly

    Detach the original feed roller assembly by lifting the orginal stopper gate out of the way. AF cover Original stopper gate Original feed roller assembly 1304 1305 1306 < Original Feed Roller Assembly > Snap ring Metal bushing Metal bushing Snap ring us.riso.com RISO Inc. Technical Communications [ 13 - 6 ]...
  • Page 223: Removing The Pickup Roller

    * Do not lose the plastic washer mounted next to the gear of the pickup roller. < Precaution on Assembly > Do nor forget to mount the plastic gear next to the gear of the pickup roller. Pickup roller arm Pickup roller 1307 us.riso.com RISO Inc. Technical Communications [ 13 - 7 ]...
  • Page 224: Removing The Original Stripper Roller

    When joining the parallel pin onto the H-pickup arm FR right assembly, be sure to insert it into the shallower groove of the H-pick arm FR right assembly. Guiding plate Timing belt Parallel pin 1308 E-ring Snap ring Stripper Roller H-pickup arm FR right assembly us.riso.com RISO Inc. Technical Communications [ 13 - 8 ]...
  • Page 225: Removing The Af Original Detection Sensor, Af Read Sensor And Af Original Ejection Sensor

    (3) Disconnect the connector to the sensor, release the actuator and remove the AF Original ejection sensor. AF-PCB AF Original detection sensor 1309 AF Read sensor AF Original ejection sensor us.riso.com RISO Inc. Technical Communications [ 13 - 9 ]...
  • Page 226: Removing The Af Read Pulse Motor

    - Following the install of H-upper guide assembly, adjust the AF read sensor (rotate the variable resistor VR1 on top of the AF-PCB to adjust LED 1 to the maximum brightness). AF-PCB H-upper guide assembly 1310 AF-read pulse motor AF-read sensor Ground wire us.riso.com RISO Inc. Technical Communications [ 13 - 10 ]...
  • Page 227 CHAPTER 13: AF SCANNING SECTION H-upper guide assembly 1311 AF read pulse motor 1312 us.riso.com RISO Inc. Technical Communications [ 13 - 11 ]...
  • Page 228: Removing The Af Registration Sensor

    (2) Remove the AF cover and close the AF unit. (3) Disconnect the connector, move the actuator to the left while lifting it up and then remove the AF registration sensor. 1313 AF registration sensor us.riso.com RISO Inc. Technical Communications [ 13 - 12 ]...
  • Page 229: Removing The Registration Roller, Read Roller And Original Ejection Roller

    H-guide R assembly H-guide F assembly H-upper guide assembly Registration Read roller 1314 < Rear > < Front > Original ejection roller H-J AM dial Idler spring Timing belt 1315 Idler us.riso.com RISO Inc. Technical Communications [ 13 - 13 ]...
  • Page 230 - Refer to the precaution in reassembly at the bottom of next page - Read Roller < Front > < Rear > E-ring 1317 E-ring Washer Washer Clutch spring Metal bushing Thrust spring Timing pulley Metal bushing us.riso.com RISO Inc. Technical Communications [ 13 - 14 ]...
  • Page 231 - Install the washers on both ends of the thrust spring on the rear side of each roller and then hook the E- ring. - Make sure that the flanges on the timing pulley faces the correct direction on each roller. us.riso.com RISO Inc. Technical Communications [ 13 - 15 ]...
  • Page 232: Adjustment

    (3) Turn the variable resistor VR-1 on top of the AF-PCB to adjust LED1 to the maximum brightness. Checks after adjustment - Check that LED1 on top of the AF-PCB goes off when an original (normal white paper) is detected by the AF read sensor. us.riso.com RISO Inc. Technical Communications [ 13 - 16 ]...
  • Page 233: Master Making Section

    4. Master cut length adjustment ..................14-38 5. Master making image Elongation and Shrinkage adjustment ......... 14-38 6. Master making length adjustment ................... 14-38 7. Master Positioning Sensor sensitivity adjustment ............14-39 us.riso.com RISO Inc. Technical Communications [ 14 - 1 ]...
  • Page 234: Mechanism

    Master positioning sensor Load roller Master-making unit upper cover set sensor 1401 Load pulse motor Master roll Cutter Cutter motor Write pulse motor Master detection sensor & Master end sensor (send) us.riso.com RISO Inc. Technical Communications [ 14 - 2 ]...
  • Page 235: Set Detection Mechanism

    The master end sensor checks every 10 ms while the master is being transported, and the master roll LED on the operation panel illuminates when the end mark is detected twice in succession. us.riso.com RISO Inc. Technical Communications [ 14 - 3 ]...
  • Page 236: Master Cutting Mechanism (rotary Cutter : A3 Machine)

    HP SW and after one rotation of the cam the switch actuator arrives back to the flat-cut on the cam. The switch actuator is no longer pressed by the cam and the cutter motor stops. Cutter HP SW 1404 Rotary blade 1405 Cutter motor us.riso.com RISO Inc. Technical Communications [ 14 - 4 ]...
  • Page 237: Master Cutting Mechanism (shuttle Cutter : Excluding A3 Machine)

    SW is OFF and cutter HP SW is ON. Cutter stop position SW 1406 1407 Cutter motor Cutter HP SW Disc blades 1408 Shuttle us.riso.com RISO Inc. Technical Communications [ 14 - 5 ]...
  • Page 238: Tph (thermal Print Head) Elevation Mechanism

    Thermal pressure sensor 1409 TPH (Print Thermal Head) Thermal pressure motor Write roller < TPH at elevated position > 1410 < TPH at lowered position, touching against the Write roller > us.riso.com RISO Inc. Technical Communications [ 14 - 6 ]...
  • Page 239: Master Set Mechanism

    Master positioning sensor TPH (Thermal Print Head) 1411 Master stocker roller (bottom) Write roller Master roll us.riso.com RISO Inc. Technical Communications [ 14 - 7 ]...
  • Page 240: Master Making Movement

    The master making still continues. (6) As the master making ends, the TPH elevates up and the print drum starts to rotate, wrapping the master material around the print drum. 1412 us.riso.com RISO Inc. Technical Communications [ 14 - 8 ]...
  • Page 241: Disassembly

    (2) Detach the safety SW cover by removing a screw (M4x8: 1pc). (3) Unplug the connector, remove a screw (M3x6: 1pc) and detach the master making U lock sensor. 1413 Safety SW cover Connector Master making U lock sensor 1414 us.riso.com RISO Inc. Technical Communications [ 14 - 9 ]...
  • Page 242: Removing The Print Drum, Master Making U Release Button, Lock Solenoid, And Safety Switch

    Removing the master making U lock solenoid (5) Remove screws (M3x6: 2pcs) and detach the master making U lock solenoid. 1416 Master making U release button Master making U lock solenoid Print drum release button us.riso.com RISO Inc. Technical Communications [ 14 - 10 ]...
  • Page 243 (6) Unhook the torsion spring, remove an E-ring and detach the master making U safety SW together with the bracket. Remove the switch from the bracket. Master making U Safety SW assembly 1417 E ring Master making U Safety SW 1418 Torsion spring us.riso.com RISO Inc. Technical Communications [ 14 - 11 ]...
  • Page 244: Removing The Print Thermal Head Assembly

    (5) Detach the connector cover by removing one screw (M3x6: 1pc). - Continues on next page - Master making unit upper cover 1419 1420 Master making unit bottom cover Ground wire 1421 1422 Connector cover us.riso.com RISO Inc. Technical Communications [ 14 - 12 ]...
  • Page 245 (7) Slide off the metal bushing from the TPH bracket and remove the print thermal head assembly. Metal bushing Snap ring 1423 Metal bushing TPH bracket 1424 1425 < Print Thermal Head Assembly > us.riso.com RISO Inc. Technical Communications [ 14 - 13 ]...
  • Page 246: Removing The Thermal Pressure Motor Assembly

    (5) Remove E-rings and metal bushings from both ends of the TPH support shaft, and remove the shaft. - Continues on next page - 1426 Thermal pressure gear cover Thermal pressure spring Thermal pressure spring 1427 TPH support shaft us.riso.com RISO Inc. Technical Communications [ 14 - 14 ]...
  • Page 247 (6) Detach the thermal pressure motor assembly by disconnecting the connectors to the motor and sensor and removing screws (M3x6: 2pcs). Thermal pressure motor assembly 1428 1429 < Thermal Pressure Motor Assembly > us.riso.com RISO Inc. Technical Communications [ 14 - 15 ]...
  • Page 248: Removing The Master End Sensor (receive) Assembly

    (3) Remove a screw (M3x6: 1pc), unplug the sensor connector and detach the master end sensor (receive) assembly. Master End sensor (receive) assembly 1430 Master End sensor (receive) assembly 1431 1432 < Master End Sensor (receive) Assembly > us.riso.com RISO Inc. Technical Communications [ 14 - 16 ]...
  • Page 249: Removing The Master Detection Sensor And Master End Sensor (send) Assembly

    - Continues on next page - 1433 Set guide plate-B Set guide plate shaft Master detection sensor and Master end sensor (send) Master making PCB Master making PCB bracket 1485 1484 us.riso.com RISO Inc. Technical Communications [ 14 - 17 ]...
  • Page 250 Stopper plate (rear) Stopper plate (front) Set guide plate-B 1434 1435 SCREW SCREW 1487 1488 Mounting screw of Set guide plate shaft Master flange assembly (rear): Remove 2 screws and hang loose. us.riso.com RISO Inc. Technical Communications [ 14 - 18 ]...
  • Page 251 - The stopper plates (front and rear) are assembled back on the machine after the set guide plate-B springs. Therefore, the set guide plate-B must be pushed down when attaching the stopper plates on the machine. us.riso.com RISO Inc. Technical Communications [ 14 - 19 ]...
  • Page 252: Removing The Antenna Pcb

    (4) Gently pull out the antenna connector, and detach the antenna PCB from the master holder (front) by unhooking from the three plastic claws of the master holder. Master making PCB 1439 Master holder (front) Antenna PCB 1440 us.riso.com RISO Inc. Technical Communications [ 14 - 20 ]...
  • Page 253: Removing The Write Pulse Motor Assembly

    Then rotate the whole motor assembly in clockwise direction to apply tension on the timing belt. With adequate tension applied on the timing belt, securely tighten the mounting screws. us.riso.com RISO Inc. Technical Communications [ 14 - 21 ]...
  • Page 254: Removing The Master Guide Gate (excluding A3/ledger Machine)

    (4) Slide the two metal bushings inward on the write roller shaft and detach the master guide gate from the shaft of the write roller. Master guide plate Write roller 1443 Master guide gate 1483 1444 Metal bushing Snap ring Write roller Write roller Snap ring Metal bushing us.riso.com RISO Inc. Technical Communications [ 14 - 22 ]...
  • Page 255: Removing The Write Roller

    (4) Detach the bearing support bracket (front) by removing screws (M3x6: 2pcs). (5) Pull out the write roller through the hole on the side frame. Write roller 1445 Pulley Bearing support bracket (front) 1446 < Write roller > us.riso.com RISO Inc. Technical Communications [ 14 - 23 ]...
  • Page 256: Removing The Load Pulse Motor Assembly

    (3) Detach the reusable bands (3 locations) from the bracket of the load pulse motor and unplug the load pulse motor connector. (4) Remove screws (M3x6: 2pcs) and detach the load pulse motor assembly. Load pulse motor assembly Reusable bands 1447 Reusable band us.riso.com RISO Inc. Technical Communications [ 14 - 24 ]...
  • Page 257: Removing The Cutter Cover Assembly (a3/ledger Machines Only)

    1448 Cutter cover assembly 1449 < Cutter cover assembly > Master making unit upper cover set sensor Master positioning sensor 1450 < Cutter cover assembly > ( Under view ) us.riso.com RISO Inc. Technical Communications [ 14 - 25 ]...
  • Page 258: Removing The Cutter Cover Assembly (excluding A3/ledger Machines)

    (3) Unplug the sensor connector, remove screws (M3x6: 2pcs), and detach the cutter cover assembly while pulling out the wire harness from the hole on the machine side frame. Cutter cover assembly 1451 us.riso.com RISO Inc. Technical Communications [ 14 - 26 ]...
  • Page 259: Removing The Clamping Guide Roller

    Clamping guide roller Master loading guide 1453 Snap ring Spur gear Clamping guide roller 1454 < Rear > 1455 < Front > Metal bushing Metal bushing behind the snap ring us.riso.com RISO Inc. Technical Communications [ 14 - 27 ]...
  • Page 260: Removing The Cutter Guide Assembly

    Cutter cover assembly Master loading guide Clamping guide roller (3) Detach the cutter guide assembly by removing screws (M3x6: 2pcs). 1456 Cutter guide assembly 1457 < Cutter guide assembly > us.riso.com RISO Inc. Technical Communications [ 14 - 28 ]...
  • Page 261: Removing The Cutter Unit (rotary Cutter : A3/ledger Machines Only)

    (3) Detach the cutter unit by unplugging the connectors (2 locations) and removing two shoulder screws. Master stocker roller pulley Connector Connector Cutter unit 1458 Write roller pulley 1459 1460 < Cutter unit > us.riso.com RISO Inc. Technical Communications [ 14 - 29 ]...
  • Page 262: Removing The Cutter Unit (shuttle Cutter : Excluding A3/ledger Machines)

    Master stocker roller pulley (3) Detach the cutter unit by unplugging the connectors (2 locations) and removing screw (M3x6: 1pc). Cutter unit Master stocker roller pulley 1461 1462 < Cutter unit > us.riso.com RISO Inc. Technical Communications [ 14 - 30 ]...
  • Page 263: Removing The Load Roller (bottom)

    * The assembly is easier if the metal busings on the ends of the shaft are not removed when detaching the load roller (bottom).. 1463 1465 1464 Bearing metal Load roller (bottom) Bearing metal Spur gear us.riso.com RISO Inc. Technical Communications [ 14 - 31 ]...
  • Page 264: Removing The Master Making Unit

    - continues on next page - 1466 Master making PCB Master making unit side frame (front) 1467 Flat cable bracket Master making unit flat cable Flat cable support plate 1468 us.riso.com RISO Inc. Technical Communications [ 14 - 32 ]...
  • Page 265 1469 1470 Flat cable guiding box < Rear > Shoulder screws Shoulder screws 1472 Shoulder screws Shoulder screws 1473 < Front > < Master making unit > 1471 us.riso.com RISO Inc. Technical Communications [ 14 - 33 ]...
  • Page 266 Rectangular hole to hook the flat cable bracket Catch on the flat cable bracket to hook into the rectangular hole on the master making unit. 1476 Hooks at the tip of the flat cable support plate 1477 us.riso.com RISO Inc. Technical Communications [ 14 - 34 ]...
  • Page 267: Removing The Master Stocker Roller ( Bottom)

    - continues on next page - 1478 < Rear of the master making unit > Master stocker lever Master stocker spring 1480 < Master stocker solenoid assembly > 1479 Connector us.riso.com RISO Inc. Technical Communications [ 14 - 35 ]...
  • Page 268 Master stocker lever Master stocker hook spring Master stocker guide plate 1482 Master stocker solenoid us.riso.com RISO Inc. Technical Communications [ 14 - 36 ]...
  • Page 269: Thermal Power Of Thermal Print Head

    * Increasing the settings by the test mode decreases the distance, moving the image up on the master material. * Master Clamp Range Adjustment must be made before the Write Start Position Adjustment. us.riso.com RISO Inc. Technical Communications [ 14 - 37 ]...
  • Page 270: Master Cut Length Adjustment

    (1) Run Test mode No.81 (Test print B) to make a master, and then make prints. (2) Check by folding the printed paper and look through the top and bottom folded print. RZ3xx series : If the horizontal line length is twice as long as the vertical line length, the adjustment is correct.
  • Page 271: Master Positioning Sensor Sensitivity Adjustment

    (7) Then slowly rotate the dial VR2 (fine adjustment dial) in the counterclockwise direction until the voltage comes down to the correct voltage setting within 0.8 volt to 1.2 volts. (If possible, aim for 1.0 volt.) Connector (CN6) 1489 Master Making PCB 1490 us.riso.com RISO Inc. Technical Communications [ 14 - 39 ]...
  • Page 272 CHAPTER 14: MASTER MAKING SECTION MEMO us.riso.com RISO Inc. Technical Communications [ 14 - 40 ]...
  • Page 273: Other Precautions

    4. Replacement of the Print drum PCB ................15-4 5. Replacement of SH3 PCB ....................15-5 6. Battery Replacement (only on RZ3 series) ..............15-5 7. Print position adjustment procedures ................15-5 us.riso.com RISO Inc. Technical Communications [ 15 - 1 ]...
  • Page 274: Power-saving (low-power) Mode

    (7) Mount the download slot cover back on the machine. < Precaution in Downloading > - Download the software for the mechanical control PCB before the software for the optional SH3M PCB. us.riso.com RISO Inc. Technical Communications [ 15 - 2 ]...
  • Page 275: Rep