Ricoh C226 Service Manual
  1. Manuals
  2. Brands
  3. Ricoh Manuals
  4. All in One Printer
  5. C226
  6. Service manual
Ricoh C226 Service Manual

Ricoh C226 Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
C226

SERVICE MANUAL

PN: RCSM2250
RICOH GROUP COMPANIES

Advertisement

Table of Contents
loading

Related Manuals for Ricoh C226

Summary of Contents for Ricoh C226

  • Page 1: Service Manual

    C226 SERVICE MANUAL PN: RCSM2250 RICOH GROUP COMPANIES...
  • Page 2 RICOH GROUP COMPANIES...
  • Page 4 C226 SERVICE MANUAL PN: RCSM2250...
  • Page 6 It is the reader's responsibility when discussing the information contained within this document to maintain a level of confidentiality that is in the best interest of Ricoh Corporation and its member companies. NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY FASHION AND DISTRIBUTED WITHOUT THE PRIOR PERMISSION OF RICOH CORPORATION.
  • Page 8 The Service Manual contains information regarding service techniques, procedures, processes and spare parts of office equipment distributed by Ricoh Corporation. Users of this manual should be either service trained or certified by successfully completing a Ricoh Technical Training Program. Unt rained and uncer tified users utilizing...
  • Page 10 LEGEND PRODUCT CODE COMPANY GESTETNER RICOH SAVIN C226 5329L VT2250 3250DNP DOCUMENTATION HISTORY REV. NO. DATE COMMENTS 1/97 Original Printing...

  • Page 12: Table Of Contents

    2.1 OPTICS/IMAGE PROCESSING ........2-9 C226...
  • Page 13 5.8 ELECTRICAL TIMING ......... . 2-49 C226...
  • Page 14 9.1 OVERALL ........... 2-70 9.2 IMAGE SHIFTING MECHANISM........2-70 C226...
  • Page 15 5.4 TEST PIN TABLE ..........4-7 6. SERVICE PROGRAM TABLE (I/O CHECK MODE)... . 4-8 C226...
  • Page 16 3.2 Fluorescent Lamp Stabilizer........5-12 C226...
  • Page 17 7.11 PAPER FEED ROLLER REPLACEMENT......5-37 7.12 PAPER FEED ROLLER UNIT REPLACEMENT ..... 5-38 C226...
  • Page 18 10.7 DELIVERY BELT/PAPER EXIT SENSORS REPLACEMENT ..5-68 10.8 VACUUM MOTOR REPLACEMENT ......5-69 C226...

  • Page 19: Pcrip-10 Priport Controller

    1.1 C226 AND C224 ........

  • Page 20: Important Safety Notices

    3. When keeping used lithium batteries (from the main control boards) in order to dispose of them later, do not store more than 100 batteries (from the main control boards) per sealed box. Storing larger numbers or not sealing them apart may lead to chemical reactions and heat build-up. C226...
  • Page 21 General Remarks Each model code used in this manual represents the following models. Model RICOH NRG Model A.B.Dick SAVIN Code Model Model Model C215 VT2005 5323 C216 VT2105 CP325/1250/5325 C224 VT2200 CP327/1252/5327 6530 3200DNP C226 VT2250/40 CP329(L)/1254(L)/5329(L) 6560 3250DNP C226...

  • Page 22: Overall Information

    OVERALL INFORMATION PCRIP-10 PRIPORT CONTROLLER DETAILED DESCRIPTIONS INSTALLATION SERVICE TABLES REPLACEMENT AND ADJUSTMENT TROUBLESHOOTING TAPE MARKER C532 DIFFERENCES BETWEEN MODELS...
  • Page 24 OVERALL MACHINE INFORMATION...

  • Page 26: Specifications

    0.04 to 0.4 mm [1.6 to 16 mils], manually assisted (equivalent to 40 - 120 g/m Document Feed Automatic feed, face up ADF Capacity 30 sheets (using 20 lb paper) Scanning method: Contact image sensor, with xenon lamp 256 mm [10.1"] ± 0.25% Maximum scan width C226...
  • Page 27 Less than 32 seconds (B4 paper) Less than 31 seconds (A4 paper) Paper feed table 1000 sheets (66.3 g/m /17.6 lb) capacity: Paper delivery table 1000 sheets (66.3 g/m /17.6 lb) capacity: (800 sheets when the small guide plates are used.) C226...
  • Page 28 Normal position 180 g pressure: Weak position 70 g ± 10 mm (manual) Side registration: ± 20 mm (mechanical) Vertical registration: Ink supply: Automatic ink supply system 10 ± 0.3 kg Press roller pressure: Paper delivery: Air knife/vacuum delivery C226...
  • Page 29 2,000 prints Master for A4 model Thermal master 240 mm width Master roll 290 masters/roll Roll diameter 130 mm Max run length 2,000 prints Ink colors: Black, Red, Blue, Green, Brown (600 ml/pack) Yellow, Purple, Navy, Maroon, Orange, Teal C226...

  • Page 30: Guide To Components And Their Function

    GUIDE TO COMPONENTS AND THEIR FUNCTION 2. GUIDE TO COMPONENTS AND THEIR FUNCTION 2.1 Machine Exterior C226...
  • Page 31 Set paper on this table for printing. 8. Side plate fine Use to shift the paper feed table sideways. adjusting dial 9. Front cover Open to access to the inside of the machine. 10. Plate Flip over when you use One Touch Class function. C226...

  • Page 32: Machine Interior

    GUIDE TO COMPONENTS AND THEIR FUNCTION 2.2 Machine Interior C226...
  • Page 33 13. Paper delivery side Use to align the prints on the paper delivery table. plate 14. Wing guides When printing on thin or small size paper, lift these guides. 15. Master eject Open to remove the master eject box. container cover C226...

  • Page 34: Operation Panel

    18. Reduce key 7. Security key 19. Enlarge key 8. Quality Start key 20. Full Size key 9. SP mode key Press to make full size prints. 10. Edge Erase key 21. Combine 2 Originals key 11. Edge Erase/Center Erase key C226...
  • Page 35 Press to start making of a master 27. Clear Modes key or printing. Press to cancel all previously entered settings. 34. Stop key Press to stop the machine 28. Speed keys operation. 29. Lower key 35. On-Line Press to lower the paper feed table. C226 1-10...

  • Page 36: Indicators

    These indicators show the printing speed that is selected. 3. Master Making indicator This indicator is lit when Master 6. Color Drum indicator Making mode is selected. This indicator is lit when the optional color drum unit is installed. 1-11 C226...

  • Page 37: Printing Process

    6. Paper Delivering: Peels the printed paper from the drum using the Exit Pawl and Air knife and ejects the paper onto the paper delivery table. C226 1-12...

  • Page 38: Electrical Components Layout

    ELECTRICAL COMPONENTS LAYOUT 5. ELECTRICAL COMPONENTS LAYOUT 5.1 ADF and Scanner 1-13 C226...
  • Page 39 Detects when the contact image sensor is at home Sensor position. Platen Cover Sensor Detects when the platen cover is open. ADF Switch Detects when the ADF unit is open. Others Lamp Stabilizer Supplies power to the xenon lamp. C226 1-14...

  • Page 40: Main Body

    ELECTRICAL COMPONENTS LAYOUT 5.2 Main Body 33 34 1-15 C226...
  • Page 41 ELECTRICAL COMPONENTS LAYOUT 47 46 45 C226 1-16...
  • Page 42 Detects when the cutter position is at the far right. Front Door Safety Switch Detects when the front door is set. Drum Safety Switch Detects when the drum unit is set. Paper Table Safety Switch Detects when the paper table is opened. 1-17 C226...
  • Page 43 2nd Drum Position Sensor Checks the position of the drum. 1st Drum Position Sensor Checks the position of the drum. (Home position) Printed Circuit Board Main Control PCB Controls all machine functions both directly and through other boards. C226 1-18...
  • Page 44 NOTE: 1) The Master Eject Unit Safety Switch in the 220 V machines cannot be disabled by this test switch. 2) When you use the test switch, return the switch to its open position after servicing in order to recover the cover safety functions. 1-19 C226...

  • Page 45: Mechanical Component Layout

    Picks up pages of the document from the document table one page at a time. R2 Roller Feeds the document through the scanner. Platen Cover Covers the original which was placed on the exposure glass. Exposure Glass Book scanner reads the original on it. C226 1-20...

  • Page 46: Mechanical Component Layout

    MECHANICAL COMPONENT LAYOUT 6.2 MECHANICAL COMPONENT LAYOUT 10 9 8 7 6 1-21 C226...
  • Page 47 10. 2nd Eject Roller 29. Doctor Roller 30. 2nd Feed Roller 31. Lower Separation Roller 32. Separation Plate 33. Paper Feed Side Plate 34. Paper Feed Table 35. Paper Feed Roller 36. Upper Separation Roller 37. Ink Holder 38. Master Spool C226 1-22...

  • Page 48: Detailed Descriptions

    DETAILED DESCRIPTIONS...

  • Page 50: Original Feed Section

    The platen cover sensor [I] detects if the cover is opened or not. The unit does not contain paper width and paper length sensors. The Unit can only identify when paper is inserted, not the size of the paper. C226...

  • Page 51: Adf Overview

    After scanning, the ADF will feed the document out and onto the platen cover. Then the scanner will return to its home position, at the right end of the scanner. C226...
  • Page 52 The document sensor [A] is used to detect the documents when they are set in the ADF. The sensor [B] is not used in the C226 although it exists. The ADF unit is a standard unit that is used on many other products.

  • Page 53: Contact Image Sensor

    CIS’s focal range, the scanned image may become darker. Because the analog output signal is a sawtooth waveform, data sampling timing should be adjusted whenever a new CIS is installed in the machine. C226...

  • Page 54: Drive Mechanism

    [D]. The scanner moves along the guide shaft [E]. The springs are used to [F] push the contact image sensor [G] upward towards the exposure glass, so that the distance between the image sensor and the exposure glass surface is constant during scanning. C226...
  • Page 55 ORIGINAL FEED SECTION 2. ADF The ADF motor [A] drives the pick-up roller [B], the feed roller [C], the R0 roller [D], the R1 roller [E], and the R2 roller [F]. C226...

  • Page 56: Pick-Up And Feed (Adf)

    When the feed roller feeds a sheet of paper, both the feed and the separation rollers rotate in the feed-in direction. However, if two or more sheets are between the rollers, the separation roller will rotate in the feed-out direction to prevent the lower sheet from being fed into the scanner. C226...

  • Page 57: Error Conditions

    When the final page of the document has been fed out of the scanner, or when a jammed document has been removed, Misfeed 2 the ADF motor will reverse. The message is displayed if the document sensor remains on at this time. C226...

  • Page 58: Optics/Image Processing

    The new halftone processor also includes the A/D conversion function, not only the image processing functions. The thermal head drive function is built into the chip (GA2) on the main control board. Therefore, this model does not have a separate A/D conversion board or thermal head board. C226...

  • Page 59: A/D Conversion Processing

    A/D conversion. In this way, the high reference voltage that is for A/D conversion is changed sequentially for each pixel depending on the shading distortion data for that pixel. C226 2-10...
  • Page 60 If the original leading edge is not flush with the original scale and the platen cover stays open, insufficient voltage will be input as the white peak level. If insufficient voltage is detected, a fixed voltage is used as the white peak level to avoid a faint image copy. 2-11 C226...

  • Page 61: Binary Processing

    In this process, the 6-bit data is converted based on a compensation curve (γ curve) which corresponds to selected image settings. For example, if a darker image is selected, a compensation curve which converts each pixel value to a higher number is selected. The output data is also 6-bit. C226 2-12...
  • Page 62 If the pixel value is equal or below the threshold level, it is set to white. The threshold level depends on the selected density setting. Threshold Level for Line Threshold Level for Line Image Density Setting Mode Areas in Line/Photo Mode Lighter Normal Darker 1 Darker 2 2-13 C226...
  • Page 63 52, which is closer to 63 than 0. In such cases, the difference is subtracted (not added) to get the next pixel value. In this example, the difference is 63-52=11, and the next pixel value (30-11) becomes 19. C226 2-14...
  • Page 64 If the calculated number is 10 or less, the pixel is converted to 1-bit using Error Diffusion. To emphasize characters in a photo original when using Letter/Photo mode, a data compensation curve (γ curve) is used to make a darker image. 2-15 C226...
  • Page 65 The proper value for each imaginary point is calculated based on the image data of the surrounding pixel values. NOTE: The magnification ratios of 80% and 140% are not available in the C226. They are used for the ease of explanation. C226 2-16...
  • Page 66 When this mode is selected, the black or white threshold level is slightly lowered. At the same time, the emphasis in the sub-scan direction in the MTF correction process is weakened to make the shadows inconspicuous. 2-17 C226...

  • Page 67: Thermal Head Pulse Generator

    OPTICS/IMAGE PROCESSING 2.2 THERMAL HEAD PULSE GENERATOR (1) Specification The C226 model uses a 300 DPI thermal head. Thermal head • Memory length 256 mm • Number of thermal head elements 3072 dots • Density of thermal head elements 300 DPI •...
  • Page 68 The pulse is controlled by the ENL signal from the main board corresponding to ENLTRIG. Thermal head voltage (VHD: 19 V ~ 24 V) is applied from PSU only during the master making process. This is controlled by the VHDON\ signal from the main board. VHDON\ 19 ~ 24 V 2-19 C226...

  • Page 69: Thermal Head Drive

    The drive circuit (LSIC) consists of the following: 24 x 128-bit shift registers, 24 x 128-bit latches, logic gates, drive transistors, and 3072 heating elements. The thermal head is made up of 24 drive circuits arranged in two rows of 16 elements. C226 2-20...

  • Page 70: Movement

    White image in previous scanning. • The same black image signal is output twice. The first is for preheating. • Black image in previous scanning. • A white image signal is output first to reduce the thermal head temperature. 2-21 C226...
  • Page 71 4. The image signal for the preheat is sent to the thermal control twice. The first image signal responds to the first half of ENL low signal , and the second image signal responds to the later half of ENL low signal. C226 2-22...

  • Page 72: Temperature Rise Detection Of Thermal Head/Power Supply

    3. The thermal guard detection signal is applied when the voltage is 0 volt (Power supply detecting temp. -85°C). 4. The thermal guard temperature return signal is applied when the voltage is 5 volts. 5. When the temperature rise signal is applied, the signal "SIG: Thermistor" goes HIGH. 2-23 C226...
  • Page 73 NOTE: During all processes other than the master making process, the error message, E-04 will be displayed when the PSU temperature reaches 85°. During the master making process, the error message E-08 will be displayed when the PSU temperature reaches 85°. C226 2-24...

  • Page 74: Master Eject Section

    The ejected master is then compressed by the pressure plate to fully utilize the master box capacity. C226 2-25...

  • Page 75: Master Eject Roller Rotating Mechanism

    A dc motor [A] installed in the rear of the machine drives the master eject rollers [B] through a timing belt [C] and gears [D] to eject used masters. The master is transported between the upper and lower master eject rollers to be ejected to the master eject box. 2-26 C226...

  • Page 76: Master Eject Roller Drive Mechanism

    [E] into contact with the surface of the drum. As the drum continues to turn, the curled trailing edge of the master is captured between the upper and lower first eject rollers. The first eject rollers will then peel the used master off the drum. C226 2-27...
  • Page 77 When the ejected master is positioned between the upper and lower first eject rollers, the master will activate the master eject sensor [C]. After that, the master is stacked into the master eject box [D]. 2-28 C226...
  • Page 78 NOTE: The C226 does not contain a drum master sensor to determine if a master is wrapped around the drum. Regardless if a used master is present or not, the machine will perform the master eject cycle.

  • Page 79: Master Eject Clamper Mechanism

    When the drum turns 13 degrees past the first drum position sensor, the main motor will turn off. Then, after 0.5 second, the master eject clamper solenoid will turn off and the spring [G] will return the opening cam back to its normal position. 2-30 C226...

  • Page 80: Pressure Plate Up/Down Mechanism

    The motor will stop when the upper pressure plate sensor [H] is actuated. The machine will detect that the master box is full if the full master box sensor [I] is not actuated during the downward motion of the pressure plate. C226 2-31...

  • Page 81: Master Feed Section

    The thermal head [B] will burn the image (scanned by the CIS) onto the master [A] as it is being fed towards the drum [C]. The completed master is clamped to and wrapped around the surface of the drum. 2-32 C226...

  • Page 82: Master Clamper Opening Mechanism

    [H]. This will engage the sector gear and gear [E], which will turn counterclockwise to open the clamper [G]. At the same time, the drum will stop and the clamper will remain open, ready to clamp onto the leading edge of the master. C226 2-33...

  • Page 83: Master Feeding Mechanism

    After the master is fed 59.5 millimeters, the magnetic clutch [A] will turn off and the reverse roller [L] will stop. After the master is fed another 5 millimeters, the master feed clamper solenoid will turn off because the leading edge of the master has already reached the clamper [N]. 2-34 C226...

  • Page 84: Master Wrapping Mechanism

    10 rpm to rotate the drum. The main motor will turn off when the sensor turns off. The master is fed by the continuous ON/OFF action of the master buckle sensor. This mechanism prevents the shockwave from having an effect on plotting when the drum pulls the master. C226 2-35...

  • Page 85: Cutter Mechanism

    When the cutter holder reaches its home position (left cutter switch activated), the cutter motor will stop completing the master cutting process. After the master cutting process is finished, the master is fed another 40 millimeters and the master feed process is finished. 2-36 C226...

  • Page 86: Electrical Timing

    21.5 millimeters. The master feed clamper solenoid is energized when the drum rotates 160 degrees (in reverse) past the second drum position sensor actuation position. C226 2-37...
  • Page 87 Because the shockwave from clamping might affect plotting (for instance by jiggling the master above the thermal head). The extra 5 millimeters that the master is fed will buckle the master and the buckle will absorb the shockwave. 2-38 C226...
  • Page 88 When the left cutter switch is activated (the cutter home position), the cutter motor will stop, the master feed motor will turn on again to feed the master an additional 40 millimeters, then will turn off. C226 2-39...

  • Page 89: Paper Feed Section

    [E]: 2nd Lower Feed Roller [F]: Lower Separation Roller This machine uses a center separation system, which consists of the separation plate [A] and rollers, instead of the corner separation system. Also, the paper table is lifted and lowered by a motor. C226 2-40...

  • Page 90: Paper Table Up/Down Mechanism

    [A] (fixed to the front rack) interrupts the lower limit sensor [B]. When a misfeed occurs or printing is finished, the paper table motor [H] will rotate counterclockwise for 500 milliseconds, to slightly lower the paper table. 2-41 C226...
  • Page 91 PAPER FEED SECTION C226 2-42...

  • Page 92: Feed Roller Pressure Mechanism

    PAPER FEED SECTION 5.3 FEED ROLLER PRESSURE MECHANISM The feed roller assembly [A] rotates clockwise around it’s shaft [B] due to the weight of assembly. The weight of the feed roller assembly is used as the applied feed roller pressure. 2-43 C226...

  • Page 93: Separation Roller Pressure Release Mechanism

    At this time, the shaft [B] will push down the left separation lever [C] and this will move the lower separation roller [E] slightly downward. This mechanism will make it easier to remove paper that is caught between the upper and lower separation rollers. C226 2-44...

  • Page 94: Paper Feed Roller/Upper Separation Roller Mechanism

    [H], the sector gear [A]will turn counterclockwise and the gear [I] is turned clockwise. However, due to the one-way clutch inside the gear [I], the upper separation roller [C] and the paper feed roller [B] will not rotate. 2-45 C226...

  • Page 95: Second Feed Roller Mechanism

    [I], the sector gear turns counterclockwise and gear [C] will turn clockwise. As the rotation of the gear [C] is transmitted to the lower second feed roller, the lower second feed roller will turn clockwise to feed the paper to the drum section. C226 2-46...
  • Page 96 [B] contacts the lower second feed roller and the upper second feed roller is turned by the friction of the lower second feed roller. Springs [G] apply tension to both the right and left sides of the upper second feed roller. 2-47 C226...

  • Page 97: Side Registration Mechanism

    [E]. The feed table brackets [F] mounted under the table are fixed on the both ends of the adjusting dial shaft. When the fine adjusting dial is turned clockwise and the feed table will move to the right. C226 2-48...

  • Page 98: Electrical Timing

    When the second drum position sensor is activated, the paper feed solenoid and the printing pressure solenoid are energized again to start printing. The paper feed solenoid and the printing pressure solenoid are turned off when the copy counter indicates "0". 2-49 C226...

  • Page 99: Printing Section

    Only when the paper is correctly fed, will the printing pressure be applied (the pressure roller [B] contacts the drum) to transmit the ink from the master and onto the printing paper. C226 2-50...

  • Page 100: Paper Detecting And Printing Pressure On/Off Mechanism

    [B] and the pressure roller [I] will move against the drum for printing. The printing pressure is determined by the pressure spring [G] which is adjustable. The printing pressure sensor [H] is not interrupted when the press roller [I] moves toward the drum. 2-51 C226...

  • Page 101: Print Pressure Release Mechanism

    (re-attached) when the drum rotates to the drum home position after the drum rotation button is pressed. This printing pressure release mechanism will work even if the paper detecting feeler is actuated by the misfed paper. C226 2-52...

  • Page 102: Circuit

    When the printing pressure sensor is not interrupted and the copy counter on the operation panel indicates "0", the paper feed solenoid and the printing pressure solenoid will turn off to stop the paper feed cycle and to release the printing pressure. 2-53 C226...

  • Page 103: Drum Section

    [E]: Paper [F]: Drum Ink is supplied from the ink cartridge and is applied to the ink roller uniformly. The ink is then transferred to the printing paper through the holes in the drum screen and the master. C226 2-54...

  • Page 104: Drum Rotation Mechanism

    Pulse disk [I] and sensor [J] on the main motor shaft is used to check the drum rotation speed. When the drum is at the original stop position (home position), the drum actuator will interrupt the first drum position sensor and the drum unit can be pulled out from the machine. 2-55 C226...

  • Page 105: Drum Lock Mechanism 1

    [D] is activated by the top of the stopper [C]. When pulling the lever [E] towards the operation side of the machine, the stopper [C] will turn clockwise and the stopper is released from the arm [A]. The locking mechanism of the drum is also released. C226 2-56...

  • Page 106: Drum Lock Mechanism 2

    While the drum is out of home position, the drum lock solenoid [G] is energized and the stopper [H] will lock the link [D]. The solenoid is de-energized when the drum stops at the home position (1st drum home position sensor is actuated). 2-57 C226...

  • Page 107: Drum Lock Mechanism 2

    [A] will drop into the drum lock [B] to secure the drum. When the drum is installed in the machine, the drum stopper [A] is unlatched and is held out of the drum lock by the side plate of the machine. C226 2-58...

  • Page 108: Drum Lock Mechanism 4

    (in the direction of the arrow), the drum stopper releasing lever will push the drum stopper [D] to the same level as the drum rail cover [E]. This will allow the drum to be completely removed from the machine. 2-59 C226...

  • Page 109: Ink Supply Mechanism

    Therefore, the ink in the ink cartridge will be sucked into the pump. The pump will then push the ink out and onto the ink roller through the holes in the drum shaft [C]. * One stroke of the ink pump occurs for every 2 rotations of the drum. C226 2-60...

  • Page 110: Ink Kneading Mechanism

    Gear [E] has a one-way clutch to prevent the ink roller from rotating in the reverse direction when the drum turns in the reverse direction during the master eject process. 2-61 C226...

  • Page 111: Ink Detection

    This pulse is then compared to a standard pulse to determine if there is ink in the drum. When the duration of the detecting pulse is shorter than the standard generated pulse, the machine will pump more ink into the drum. C226 2-62...
  • Page 112 (3) The pulse length (T or T ) is compared with the standard pulse (T When the time constant (T = No ink) is shorter than the standard pulse ), the output to the main board goes low. 2-63 C226...

  • Page 113: Electrical Timing

    When the "0" key and "Reset" key are pressed while the No Ink indicator is lit, the drum will turn 40 rotations to pump more ink. When the No Ink Signal goes HIGH during the 40 drum rotations, the ink supply solenoid is de-energized. C226 2-64...

  • Page 114: Delivery Section

    Paper delivery consists of the exit pawl [A] and the air knife (Blower Fan) [B] to separate the leading edge of the paper from the drum. The vacuum unit [D] will press the paper against the transfer belts to deliver the paper onto the delivery table. 2-65 C226...

  • Page 115: Exit Pawl Air Pump Mechanism

    [B]. The gear [A] rotates and drives the piston [C] back and forth. When the piston moves forward a jet of air is passed out through the nozzle [D]. This jet of air is used to help separate the leading edge of the paper from the drum. C226 2-66...

  • Page 116: Exit Pawl Drive Mechanism

    As the pressure roller moves away from the drum, the exit pawl drive cam [E] moves downward and the exit pawl lever [F] will turn counterclockwise. This will cause the exit pawl to separate from the drum. The exit pawl is held away from the drum when printing pressure is not applied. 2-67 C226...

  • Page 117: Vacuum Unit Drive Mechanism

    1st Paper Exit Sensor [M] 2nd Paper Exit Sensor [N] When 2nd Drum Position Correct OFF: Correct sensor is ON OFF: Paper Wrap Delivery Miss When 1st Drum Position ----- Correct Sensor is ON ----- OFF: Paper Wrap C226 2-68...

  • Page 118: Misfeed/Paper Wrap

    Paper Wrap After printing pressure is applied, if the second paper exit sensor turns off when the first drum position sensors is turned on, the Paper Wrap indicator will light and the drum will stop. 2-69 C226...

  • Page 119: Image Shifting Section

    When the cam gear [J] turns, the gear [I] located behind the gear [J] turns and the encoder [M] mounted on the gear [L] turns to check the image shifting position. C226 2-70...
  • Page 120 IMAGE SHIFTING SECTION The brake mechanism above is used to prevent the print image from shifting during the printing process. The gear [Q] pressed by spring [R] is used to brake the gear [C]. 2-71 C226...

  • Page 122: Installation

    INSTALLATION...

  • Page 124: Installation Requirements

    In such cases, use the platen mode. On a strong and level base. The machine must be level within 5 mm (13/64") both front to rear and left to right. C226...

  • Page 125: Environments To Avoid

    (Sudden temperature changes from low to high or vice versa may cause condensation within the machine.) 1.3 GROUND: Be sure to ground the machine. Never connect the ground line to gas pipes. C226...

  • Page 126: Power Connection

    110V, 60 Hz: More than 6.0 A b) 120V, 60Hz: More than 5.5 A c) 220V 240V, 50Hz: More than 2.7 A Make sure the plug is firmly inserted in the outlet. Avoid multiwiring. Do not pinch the power cord. C226...

  • Page 127: Access To Machine

    Place the machine near a power source, providing clearance as shown below. 10 cm (4.0") Paper 61 cm Paper Delivery (24.0") Feed Table More than 70 cm (27.6") More than More than 60 cm 60 cm 128 cm (50.4") (23.7") (23.7") C226...

  • Page 128: Installation Procedure

    INSTALLATION PROCEDURE 2. INSTALLATION PROCEDURE 2.1 MAIN BODY 1. Make sure that you have all the accessories listed below. (1) Master Spools ..............2 (2) Auxiliary End Fence (for Paper Delivery Table)....1 (3) Operating Instructions (USA and Asia versions only)..1 C226...
  • Page 129 Open the paper feed tray and remove the cushion plate [A] from the paper feed roller section. b. Keep the auxiliary end fence [B] for future use. c. Open the master delivery unit and remove the tape securing the paper delivery guide plate. C226...
  • Page 130 Remove the protective sheet from the master clamper. d. Reinstall the drum unit in the machine. e. Push down the drum lock lever [C]. 6. Open the scanner unit and plotter unit upper cover, and remove the master spools [D]. C226...
  • Page 131 Plug in the power cord and turn on the main switch. e. Press the Master Cut button. f. Remove the cut master paper. NOTE: Check that the master paper is not bent or creased. g. Close the upper cover and scanner unit. C226...
  • Page 132 10. Idling a. While holding down the "0" key on the operation panel, press the Reset key. b. If "LOAD NEW INK CARTRIDGE" is displayed on the operation panel, repeat step 10-a. C226...
  • Page 133 Check the copy quality after the image is stabilized. 12. This procedure is for the NRG version model only. Attach the brand decal [A] as shown below. 14 mm 42 mm C226 3-10...

  • Page 134: Adf (Option)

    Lower Rear Cover ................1 Connector Cover ................1 ADF Roller Assembly ................1 Original Table ..................1 Platen Cover Stopper ................1 M3 x 8 Screws (to install the lower front/rear covers) .......4 M3 x 6 Sunken Screws (to install the upper front/rear covers) ..2 3-11 C226...
  • Page 135 3. Caution: During installation, ensure that the metal Tab [J] located in the center of the ADF unit is positioned under the main unit. If the metal tab is positioned above the cover, the movement of the CIS unit will be restricted. C226 3-12...
  • Page 136 7. Secure the grounding wire [H] (1 screw). 8. Pass the two harnesses through the cutout in the ADF Lower Rear Cover, then connect the harnesses to the main body. 9. Install the Connector Cover [I] with the screw [B] removed in step 2. 3-12 C226...
  • Page 137 Rev. 4/14/97 INSTALLATION PROCEDURE This page intentionally left blank C226 3-12...
  • Page 138 13. Install the Original Table [M], then install the Platen Cover Stopper [N] on NOTE: To enable the use of the ADF function, you must change the SP mode setting. Access the SP mode and set SP No. 2 to "1". For details, refer to "SERVICE PROGRAM TABLE." 3-13 C226...

  • Page 139: Tape Marker Installation

    1. Screw M4 x 25 ................. 2 2. Hexagon Nut M4 ................2 3. Auxiliary Bracket ................1 4. Screw M4 x 8 ................... 2 5. Lock Washer ................... 1 6. Lock Washer..................1 7. Tape ....................1 C226 3-14...

  • Page 140: Installation

    6. Install the tape marker on the auxiliary bracket with two M4 x 8 screws [E] (accessory). NOTE: Install the lock washer [F] (accessory) with one of the two screws. 7. Connect the connector to the main body. 3-15 C226...

  • Page 142: Service Tables

    SERVICE TABLES...

  • Page 144: Maintenance Tables

    Please advise the customer to clean each item at suitable intervals. Cleaning Point Interval Cleaner Original platen cover at any time Cloth and water Exposure glass at any time Cloth and glass cleaner Paper feed rollers at any time Cloth, and soap and water (or ethyl alcohol) C226...

  • Page 145: Table Of Periodic Inspection (Every 6 Months)

    Wipe off paper powder with cloth dampened with water. ADF pick-up, reverse, cleaning Wipe off paper powder with cloth dampened with feed rollers water. ADF R1, R2, R3 rollers cleaning Wipe off paper powder with cloth dampened with water. C226...

  • Page 146: Table Of Periodic Inspection (Every 12 Months)

    Print a few sheets to ensure that paper is smoothly fed and delivered without generation of skew, folds, wrinkles, etc. Original transport roller cleaning Wipe off paper powder with cloth dampened with water. Lubrication points Lubrication Lubricate the lubrication points by following lubrication points list. C226...
  • Page 147 MAINTENANCE TABLES Item/Location Step Inspection Standard ADF pick-up, reverse, cleaning Wipe off paper powder with cloth dampened with feed rollers water. ADF R1, R2, R3 rollers cleaning Wipe off paper powder with cloth dampened with water. C226...

  • Page 148: Expected Life Of Parts

    2 years or 1,200,000 prints Delivery Unit Vacuum belts 2 years or 1,200,000 prints ADF Unit Pick-up roller 30,000 sheets Reverse roller 30,000 sheets Feed roller 30,000 sheets 3. SPECIAL TOOLS Description Parts Number Remarks Drum gauge C2009001 Image shifting gauge C2009002 C226...

  • Page 149: Table Of Service Call Indications

    E-13 The scanner could not leave the home position within 4 seconds of power on. Otherwise, when the scanner could not return to the home position within 2 seconds of leaving. C226...

  • Page 150: Dip Sw, Led, Vr, And Tp Tables

    Drum Rotation Detection Signal Output TP102 Second Paper Exit Sensor Voltage TP103 First Paper Exit Sensor Voltage TP104 Master Eject Sensor Voltage TP105 Ink Detection Voltage TP106 Contact Image Sensor Output TP107 Clock Signal Output TP108 Line Synchronized Signal Output TP109 Grounding C226...

  • Page 151: Service Program Table (I/O Check Mode)

    4. Follow the "Change Adjustment Values or Modes" procedure on the next page. To exit the SP mode, press the Clear Modes key. If you entered the SP mode using Method 2, you can exit the SP mode only by turning the main switch off then on. C226...
  • Page 152 2. Enter the desired value or mode using the number keys (listed in the service program table). Use the Program Class key to toggle between + and –. 3. Press the Enter (#) key to store the desired value or mode. 4. To exit the SP mode, press the Clear Modes key. C226...

  • Page 153: Service Program Table

    *22 Print Program Select which printing 0: First Class from the One Touch 1: Last Class mode is carried out, from the first or last class. 4-10 C226...
  • Page 154 Economy (–)8 Adjust mode. • For the platen ADF Mag. Adjusts the ADF –1.9 to Adjust sub-scan magnification. +1.9% mode, see SP30. • 0.1% steps. • Use the Program Class key for "+" or "–". 4-11 C226...
  • Page 155 3: +5 mm 4: 0 mm 5: –5 mm 6: –10 mm 7: –15 mm Clear All Returns all SP modes to 0: No The memory is Memory the default settings. 1: Yes cleared after pressing the Enter (#) key. 4-12 C226...
  • Page 156 **84 Auto Multi Specifies the initial mode 0: Normal Copy for the Combine 2 1: Auto Originals mode. (Two identical images are made if the Master Making key is pressed once.) 4-13 C226...
  • Page 157 111 Total Count Displays the total number M: Master count of masters and prints. P: Print count *113 Resettable Used by the customer to M: Master count Count display the total number P: Print count of masters and prints. 4-14 C226...
  • Page 158 132 All Indicators Turns on all the Press the # key indicators on the to light all the operation panel. indicators. 135 SN: 1st Paper Displays the 1st paper Unit: Volts Exit exit sensor voltage. 4-15 C226...
  • Page 159 *161 Center Ers. Adjusts the default center 4 to 60 mm Use the Program margin width in the key to input the 40 mm Margin Erase mode. 0.2 to 2.3 number after the inch decimal point. 4-16 C226...
  • Page 160 Enter the original size (in (100 to Same as above "mm") that you want to 258) x (100 use with the Margin to 364) mm Erase mode. 0 x 0 (4.0 to 10.0) x (4.0 to 14.3 ) inch 4-17 C226...
  • Page 161 1) SP Mode No. 38 − ADF Scan Line Adjust The printing position moves as shown below. ← Direction Original Position +X: Moves X mm to the left Printing Position -X: Moves X mm to the right Printing Position X mm 4-18 C226...
  • Page 162 If "1" is selected in this mode, the machine will stop for a while (this interval is the same as when the tape marker is operating). Then the machine will continue with the next print (or master making) job. 4-19 C226...
  • Page 163 • If the original feed fails, or if the Stop key is pressed, the error indicator will be displayed. If the jammed originals are removed from the ADF, the displayed error message is reset. • The machine will not exit the SP mode during feeding. 4-20 C226...

  • Page 164: Input/Output Check Mode

    6. For the Output Check mode, press the Start key to turn on the component. 7. Press the Enter (#) key to return the display to the initial input or output check menu. 8. Press the Clear Modes key to exit the SP mode. 4-21 C226...

  • Page 165: Input Check Table

    First Drum Position Sensor In-36 SN: 2nd Drum Position Second Drum Position Sensor In-37 SW: Manual Master Cut Master Cut Switch In-38 SIG: Key Counter When a key counter is installed In-39 SN: 1st Paper Exit First Paper Exit Sensor In-41 4-22 C226...
  • Page 166 SN: 2nd Paper Exit Second Paper Exit Sensor In-42 SN: Master Eject Master Eject Sensor In-43 SN: Scanner Scanner Home Position Sensor Home Position In-45 SN: Platen Set Platen Cover Switch (Scanner) In-47 SN: Plotter Cover Plotter Cover Safety Switch In-51 4-23 C226...

  • Page 167: Output Check Table

    Turns on the cutter motor (cutter moves to the rear of the + Direction Out-22 machine). MOTOR: Cutter Turns on the cutter motor (cutter moves to the front of the – Direction Out-23 machine). MOTOR: Image Shift Turns the image position motor in the "+" direction. + Direction Out-24 4-24 C226...
  • Page 168 ADF mode when the Start key is pressed. It returns to home position when the Start key is pressed again. SIG: VHD on Applies thermal head voltage. Out-41 Power is applied by pressing the Start key. It is stopped by pressing the Start key again. 4-25 C226...

  • Page 169: Test Pattern Image Mode

    If the printout is normal, a Part A component is defective. If the printout is abnormal, a Part B component is defective. NOTE: This mode can be used in combination with SP mode No. 92, Thermal Paper Mode. 4-26 C226...

  • Page 170: User Code Mode

    1. Enter the user code (3 digits) with the number keys. 2. Press the Enter (#) key. 3. Press the Start key to start printing. NOTE: The user code mode is reset if the Clear Modes key and the Stop key are pressed together. 4-27 C226...

  • Page 171: Available Option/Supply Table

    AVAILABLE OPTION/SUPPLY TABLE 9. AVAILABLE OPTION/SUPPLY TABLE O: Standard combination ∆: Usable under certain conditions X: Cannot be used C226 Masters Type 800 Type 900 VT-S VT-M X *NOTE1 VT-L VT-ΙΙ-M Inks Black Color (rd/bl/gn/br) VT-Black-1000 ∆ *NOTE2 Color Drums Color Drum ∆...

  • Page 172: Replacement And Adjustment

    REPLACEMENT ADJUSTMENT...

  • Page 174: Exterior

    A: ADF Roller Assembly B: ADF Upper Front Cover (1 screw, 1 hook) C: ADF Upper Rear Cover (1 screw, 2 hooks) Remove the connector cover, then remove the harness and a ground wire. D: Connector Cover (1 screw) C226...

  • Page 175: Operation Panel

    EXTERIOR E: ADF Lower Front Cover (2 screws, 1 grounding wire) F: ADF Lower Rear Cover (2 screws, 1 grounding wire) G: ADF Unit (2 connectors) 1.2 Operation Panel A: Operation Panel Assembly (2 tapping screws, 1 screw) C226...

  • Page 176: Platen Cover And Upper Covers

    1.3 Platen Cover and Upper Covers A: Platen Cover (3 tapping screws) B: Horizontal Upper Cover (2 silver screws) C: Vertical Upper Cover (1 silver screw, 1 screw) 1.4 Top Cover and Exposure Glass A: Top Cover (2 screws) B: Exposure Glass C226...

  • Page 177: Other Covers

    • Open the front door to remove the front screws C: Rear Cover (6 screws) D: Operation Panel Under Cover (3 screws) E: Rear Left Cover (2 screws) F: Master Eject Cover (2 screws) G: Left Upper Cover (2 screws) C226...

  • Page 178: Original Feed Section

    ORIGINAL FEED SECTION 2. ORIGINAL FEED SECTION 2.1 ADF ROLLER ASSEMBLY AND COVERS A: ADF Roller Assembly 2.2 Pick-up Roller A: Pick-up Roller (2 clips, 2 gears) C226...

  • Page 179: Feed Roller

    ORIGINAL FEED SECTION 2.3 Feed Roller A: Feed Roller (1 clip, 1 gear, 2 springs, 2 E-rings, 1 washer) 2.4 Separation Roller A: Upper Guide Plate (2 tapping screws), B: Separation Roller (1 clip) C226...

  • Page 180: Adf Motor And Covers

    C: ADF Lower Rear Cover (2 screws) D: Connector Cover (1 screw) E: ADF Motor (2 screws) 2.6 R0 and R1 Rollers A: R0 Roller (1 E-ring, 1 gear, 2 bushings) B: R1 Roller (1 E-ring, 1 gear, 2 bushings) C226...

  • Page 181: R2 Roller

    ORIGINAL FEED SECTION 2.7 R2 Roller A: ADF Release Lever B: Timing Belt C: Tensioning Roller Ass’y (1 screw) Remove the R2 roller [E] while lowering the guide plate [F]. C226...

  • Page 182: Document Sensor

    ORIGINAL FEED SECTION 2.8 Document Sensor A: Document Sensor (1 connector, 3 hooks) B: This sensor has no function. (1 connector, 3 hooks) 2.9 Scan Line Sensor A: Scan Line Sensor (1 screw, 1 connector) C226...

  • Page 183: Cover Sensors

    ORIGINAL FEED SECTION 2.10 Cover Sensors A: ADF Cover Switch, 1 connector, 3 hooks A: Upper Rear Cover (1 screw, 2 hooks) B: ADF Switch (1 connector, 2 hooks) C226 5-10...

  • Page 184: Scanner Section

    Then disconnect harnesses [C] and [D]. Note for the scanner guide shaft replacement If you replace the scanner guide shaft, put Launa Oil 40 on all surfaces of the shaft (P/N: 54429103 - Launa Oil 40). 5-11 C226...

  • Page 185: Fluorescent Lamp Stabilizer

    3.2 Fluorescent Lamp Stabilizer A: Xenon Lamp Stabilizer (2 tapping screws, 3 connectors) 3.3 Platen Cover and Scanner Home Position Sensors C: Platen Cover Sensor (1 connector, 3 hooks) D: Scanner Home Position Sensor (1 connector, 3 hooks) C226 5-12...

  • Page 186: Scanner Motor

    SCANNER SECTION 3.4 SCANNER MOTOR A: Scanner Motor (2 screws, 1 connector, 1 timing belt) 5-13 C226...

  • Page 187: Image Magnification Adjustment (In The Sub-Scan Direction)

    100% ± 0.5% compared with the original image length. If the optional ADF is installed, use SP mode No. 36 for the ADF mode, also. Platen Mode Sub-scan Magnification Adjustment SP mode No. 30 ADF Mode Sub-scan Magnification Adjustment SP mode No. 36 C226 5-14...

  • Page 188: Image Shifting Section

    4. If incorrect, adjust the gear alignment as follows after removing the encoder [B]. CAUTION Adjust the encoder position after removing the connector [C] of the image shift motor. 5-15 C226...
  • Page 189 8. In the above condition, set the encoder and tighten the allen screw [F] to mount the shaft of the encoder with the gear [E]. Then remove the gauge [A] and connect the connector [C] of the image shift motor. 9. After adjustment, make several prints to confirm the image position. C226 5-16...

  • Page 190: Master Feed Section

    6. Confirm that the voltage between one of the VHD terminals (PIN 8) and one of the ground terminals (PIN 1) of CN503 is at the level specified on the decal (Within + 0 V, – 0.1 V). 7. If incorrect, adjust VR1 [B] on the power supply board. 5-17 C226...

  • Page 191: Belt Tension Adjustment

    4. Remove the master making unit [B] (2 screws [C] and 5 connectors [D]). 5. Using a tension gauge, apply a 110-gram load to the center of the belt [E]. Ensure that the belt deflects 1.2 to 1.8 mm. 6. If not, adjust the master feed motor position (2 screws [F]). C226 5-18...

  • Page 192: Right And Left Cutter Switches Adjustment

    [B] is turned on. Ensure that the right cutter switch [C] is also turned on when the cutter is moved fully to the right. 3. If not, loosen the mounting screws [D] and adjust the switch position. 5-19 C226...

  • Page 193: Thermal Head Alignment Adjustment

    (a) is corrected by 0.3 mm. 4. Tighten the Allen screws and reassemble the machine. 5. Make a new master and check if the image skew is corrected. C226 5-20...

  • Page 194: Cutter Unit Removal

    4. Remove the thermal head guide plate [C] (2 screws). 5. Remove the cutter unit [D] (2 screws). 6. Remove the holder plate [E] (1 screw) and remove the cutter blade [F]. WARNING: Do not touch the edge of the cutter blade with bare hands. 5-21 C226...

  • Page 195: Thermal Head Removal

    5. Remove the thermal head [D] (2 screws). NOTE: 1. When replacing the thermal head, ensure the thermal head guide plate [E] is positioned above the lower cutter unit guide plate [F]. 2. Ensure that neither of the connectors are loose before reassembling the machine. C226 5-22...

  • Page 196: Master Eject Section

    [C]. 6. After adjustment, retighten the screws [B]. NOTE: To easily confirm that the lower roller touch to the drum surface. Wrap the drum with the blank paper. Check the paper for roller marks. 5-23 C226...

  • Page 197: Master Eject Sensor Adjustment

    Light reflected from that part of a used solid black master where the film layer has been burned away has the lowest intensity. Therefore, use a used solid black master for this adjustment so that the sensor can detect the ejected master under the worst conditions. C226 5-24...

  • Page 198: Master Eject Unit Replacement

    6.3 MASTER EJECT UNIT REPLACEMENT 1. Turn off the main switch. 2. Remove the master eject unit cover [A] (2 screws). 3. Disconnect the four connectors and gounding screw. 4. Pull out the shaft [C]. 5. Carefully remove the master eject unit. 5-25 C226...

  • Page 199: Master Eject Belt/Roller Replacement

    8. Remove the E-rings [G] to pull out both upper (30φ) and lower rollers (20φ) as a set. 9. Remove the Angle [H]. 10. Remove the Plate [I]. 11. Remove the Belts [J]. 12. Remove the Rubber Rollers (30φ, 20φ) [K]. C226 5-26...

  • Page 200: Paper Feed Section

    2. If incorrect, loosen the screw [C] and adjust the switch bracket position. 3. After adjustment, repeat step 1 again. 4. Also, ensure that the safety switch does not turn on when 1,000 sheets of standard weight paper are placed on the paper table. 5-27 C226...

  • Page 201: Paper Table Height Adjustment

    6. If not, loosen the screw [B] and adjust the position of the actuator [C]. 7. After adjustment, repeat step 5 again by lowering and raising the paper table several times. NOTE: When mounting the actuator, ensure that the actuator does not contact the paper table height sensor [D]. C226 5-28...

  • Page 202: Paper Feed Roller Pressure Adjustment

    NOTE: When loosing the screw, hold the lower adjusting plate in the original position for fine adjustment. 2. Adjust the paper feed roller pressure by moving the lower adjusting plate [B] up/down. : Increase the pressure Down : Reduce the pressure 5-29 C226...

  • Page 203: Lower Guide Plate Adjustment

    [B] is 0 to 0.1 mm as shown. 2. If incorrect, remove both front and rear covers and loosen the screws [C] on both sides. Then, adjust the distance by lowering and raising the lower guide plate. 3. After adjustment, retighten the screws [C]. C226 5-30...

  • Page 204: Upper Second Feed Roller Adjusting

    4. If incorrect, loosen the screw [D] and adjust the clearance by moving the bushing supporter. 5. After adjustment, Ensure that the feed length of the second feed roller is correct. (The feed length varies with the position of the bushing supporter.) 5-31 C226...

  • Page 205: Paper Feed Roller Feed-Length Adjustment

    This feed-length should be 93 to 97 mm. 8. If the feed-length is incorrect, adjust the feed-length by loosening the hexagon nut [C] mounted on the sector gear. Then, shift the bearing [D] up or down. 9. After adjustment, repeat steps 5 and 6 again. C226 5-32...

  • Page 206: Paper Feed Sector Gear Stopper Clearance Adjustment

    [G] and the sector stopper [H] is 0.1 to 0.5 mm. 6. If the clearance is incorrect, loosen the screws [I] and adjust it by shifting the paper feed solenoid bracket up or down. 5-33 C226...

  • Page 207: Second Feed Roller Sector Stopper Clearance Adjustment

    [C] and the sector stopper [D] is 0.1 to 0.3 mm. 4. If the clearance is incorrect, loosen the Allen screws [E] and adjust the clearance between the sector pin and the sector stopper. C226 5-34...

  • Page 208: Second Feed Roller Feed Length Adjustment

    7. If it is not, loosen the screws [C] and adjust the feed length by shifting the second feed roller cam [D] up or down. 8. Check adjustment by repeating steps 5 and 6. 9. After adjustment, retighten the screws [C]. 5-35 C226...

  • Page 209: Second Feed Roller Feed Timing Adjustment

    9. Measure the degrees turned when the second feed roller sector gear [C] starts returning counterclockwise. This should be 157°. 10. If incorrect, loosen the 2 hexagon bolts [D] located behind the second feed roller cam [E] and adjust by turning the cam. C226 5-36...

  • Page 210: Paper Feed Roller Replacement

    PAPER FEED SECTION 7.11 PAPER FEED ROLLER REPLACEMENT 1. Remove the left clamper [A]. 2. Remove the left bushing [B]. 3. Remove the paper feed roller shaft [C]. 4. Remove the 2 paper feed rollers [D]. 5-37 C226...

  • Page 211: Paper Feed Roller Unit Replacement

    PAPER FEED SECTION 7.12 PAPER FEED ROLLER UNIT REPLACEMENT 1. Remove 2 hexagon screws [A]. 2. Remove the clampers [B]. 3. Remove the upper paper feed roller unit from the machine by sliding the shaft to rear. C226 5-38...

  • Page 212: Upper Separation Roller Replacement

    PAPER FEED SECTION 7.13 UPPER SEPARATION ROLLER REPLACEMENT 1. Remove the paper feed roller unit from the machine. 2. Remove the bushing [A]. 3. Remove the paper guide disks [B]. 4. Remove the upper separation roller [C]. 5-39 C226...

  • Page 213: Separation Plate/Lower Separation Roller Replacement

    Lift up then pull out horizontally. 3. Remove the springs [D] on both sides. 4. Remove the separation levers [E] on both sides (1 screw each). 5. Remove the lower separation roller shaft [F]. 6. Remove the lower separation roller [G] (Allen screw). C226 5-40...

  • Page 214: Printing Section

    0.2 to 0.4 mm. 4. If incorrect, loosen the screws [D] and adjust the clearance by shifting the paper detecting bracket [E] up or down. 5. After adjustment, confirm the printing pressure ON/OFF mechanism by monitoring a print run. 5-41 C226...

  • Page 215: Pressure Roller Position Adjustment

    3. While holding this condition, ensure that the distance between the pressure roller [C] and the tip of the clamper [D] is 0.6 to 1.0 mm. 4. If incorrect, loosen the hexagon nut [E] and adjust the clearance by turning the screw [F]. C226 5-42...

  • Page 216: Pressure Timing Adjustment

    10. In the above condition, measure the degrees turned, this should be 225 ± 1 degrees. 11. If incorrect, loosen the screws [B] of the pressure cam [C] and adjust by turning the pressure cam. 5-43 C226...

  • Page 217: Printing Pressure Adjustment

    Purpose: To make better print results without decreasing the run length. 1. Remove the rear cover of the machine. 2. Adjust the clearance [A] to be 14 ± 0.5 mm for the by turning the adjusting bolt [B]. C226 5-44...

  • Page 218: Printing Pressure Stopper Clearance Adjustment

    ON/OFF lever [D] and the printing pressure stopper [E] is 1 to 2 mm. 3. If incorrect, loosen the hexagon head screws [F] and adjust the clearance by moving the printing pressure solenoid. 5-45 C226...

  • Page 219: Pressure Roller Replacement

    PRINTING SECTION 8.6 PRESSURE ROLLER REPLACEMENT 1. Remove a screw [A]. 2. Remove the holding plate [B]. 3. Remove the pressure roller [C]. 4. Remove both right and left bearings [D] (2 E-rings). C226 5-46...

  • Page 220: Drum Section

    [A]. Ensure that the belt deflects 1.5 mm. 3. If incorrect, remove the drum unit and adjust the belt tension by moving the tensioner shaft [B] after loosening the nut [C]. 4. After adjustment, tighten the nut completely. 5-47 C226...

  • Page 221: Drum Rotation Sensor Adjustment

    3. If not, loosen the screw [C] securing the sensor bracket and adjust the sensor bracket position. 4. After adjustment, set a spanner (10 mm) into the drum shaft and rotate the drum to ensure that the pulse disk does not contact the sensor during a rotation. C226 5-48...

  • Page 222: Printing Speed Adjustment

    1. Press the Speed Change key to set the speed at the maximum level. 2. Set the number of prints at 121. After the first print, the machine should produce 120 prints in one minute. 3. If not, adjust the speed by turning VR101 on the Main Control PCB. 5-49 C226...

  • Page 223: Drum Stopper Adjustment

    2. Ensure that the distance between the center of the drum lock [A] and the center of the drum stopper [B] is less than ± 1 mm. 3. If incorrect, loosen the screws [C] and adjust by moving the drum lock [A]. C226 5-50...

  • Page 224: Master Feed Clamper Cam Adjustment

    [B] is 29 ± 0.5 mm when the master feed clamper solenoid is energized. 6. If not, loosen the mounting screws [C] and adjust the solenoid position. CAUTION Do not turn on the solenoid any longer than 10 seconds. 7. After adjustment, retighten the mounting screws. 5-51 C226...

  • Page 225: Master Eject Clamper Cam Adjustment

    6. If not, loosen the mounting screws [C] and adjust the position of the master eject clamper solenoid. CAUTION Do not turn on the solenoid any longer than 10 seconds. 7. After adjustment, retighten the mounting screws. C226 5-52...

  • Page 226: Ink Detecting Pin Position Adjustment

    5. Ensure that the distance between the end of detecting pin [C] and the doctor roller surface is 7 ± 1 mm. 6. If incorrect, loosen the screw [D] and adjust the distance by moving the ink detecting pin bracket [E]. 7. After adjustment, retighten the screw [D]. 5-53 C226...

  • Page 227: Doctor Roller Clearance Adjustment

    6. If the gap is not within specifications, loosen the screws [A] on both sides and adjust the gap by turning the eccentric bushings [B] on both sides. NOTE: Before adjustment, remove the drive gear located on the operation side of the doctor roller as the drive gear restricts the adjustment. C226 5-54...

  • Page 228: Ink Roller Unit Position Adjustment

    NOTE: The part number of the drum gauge is C2009001. 5. In the above condition, tighten the bolts [A] and the screws [B] so that the thrust play of the flange [D] is 0.05 to 0.2 mm. 5-55 C226...

  • Page 229: Ink Supply Solenoid Position Adjustment

    [B] and the clutch sleeve [C] is 0.5 mm to 1.0 mm as shown. 4. If incorrect, loosen the screw [D] and adjust the distance by moving the solenoid bracket [E]. 5. After adjustment, retighten the screw [D]. C226 5-56...

  • Page 230: Adjusting Ink Detection

    2. The period of the waveform varies inversely with temperature. (High temp. → reduced period, Low temp. → increased period ) 5. If not, adjust the ON timing of the detection signal using VR901 on the ink detection PCB. 5-57 C226...

  • Page 231: Screen Replacement

    1. Remove the drum unit from the machine. 2. Remove the 2 springs [A]. 3. Remove the front screen plate [B] (2 screws). 4. Remove the tetron screens [C] from the drum. 5. Remove the front screen plate [D] and the rear screen plate [E]. C226 5-58...

  • Page 232: Drum Drive Belt Replacement

    3. Remove the drum unit. 4. Remove the rear cover. 5. Remove the center support side plate [A] (5 screws). 6. Remove the lower support side plate [B] (4 screws). 7. Remove the upper support side plate [C] (6 screws). 5-59 C226...
  • Page 233 [K] in the drum drive gear lines up with a hole in the rear side plate → Check by inserting a long screwdriver.) NOTE: These are the only teeth on the drum drive gear that are not backed by the metal plate on the rear side of the drum drive gear. C226 5-60...
  • Page 234 [J] with a spanner (8 mm) and adjust the second feed cam position. X direction: Image on the prints is shifted up. Y direction: Image on the prints is shifted down 15. Install the center support side plate. 5-61 C226...

  • Page 235: Paper Delivery

    3. Confirm that the mark [A] on the pump drive gear [B] is right over the gear shaft [C]. 4. If incorrect, remove the support plate [D] (5 screws) and reposition the gear. 5. Rotate the drum to the home position and confirm step 3 again. C226 5-62...

  • Page 236: First Paper Exit Sensor Adjustment

    4. If the activated voltage is incorrect, adjust the 1st paper exit sensor and gravitity variable resistor, VR103 on the main board. 5. When the 1st paper exit sensor is activated, the LED 103 on the main board will light. 5-63 C226...

  • Page 237: Second Paper Exit Sensor Adjustment

    4. If the activated voltage is incorrect, adjust the 2nd paper exit sensor and gravitity variable resistor, VR102 on the main board. 5. When the 2nd paper exit sensor is activated, the LED 102 on the main board will light. C226 5-64...

  • Page 238: Exit Pawl Clearance Adjustment

    4. If incorrect, open the master eject box and loosen the hexagon nut [B] of the exit pawl drive arm. Then adjust the clearance by turning the screw [C]. 5. Check adjustment by repeating steps 2 and 3. 5-65 C226...

  • Page 239: Exit Pawl Timing Adjustment

    8. If incorrect, loosen the hexagon nut [C] and hexagon bolt [E] and adjust the exit pawl position by turning the hexagon bolt [D]. 9. Check adjustment by repeating step 7 with the image position shifted to both maximum forward and maximum backward directions. C226 5-66...

  • Page 240: Vacuum Unit Replacement

    2. Remove the antistatic brush bracket [A] (4 screws). 3. Remove the harness clamp [B] (1 screw). 4. Disconnect the sensor connectors [C]. 5. Disconnect the vacuum motor connector [D]. 6. Remove the vacuum unit [E] (2 screws). 5-67 C226...

  • Page 241: Delivery Belt/Paper Exit Sensors Replacement

    5. Disconnect the first paper exit sensor connector [D]. 6. Remove the delivery belts [E]. 7. Disconnect the second paper exit sensor connector [F]. 8. Turn the vacuum guide plate [G] over. 9. Replace the paper exit sensors [H] (2 screws each). C226 5-68...

  • Page 242: Vacuum Motor Replacement

    PAPER DELIVERY 10.8 VACUUM MOTOR REPLACEMENT 1. Remove the vacuum unit. 2. Turn the vacuum unit [A] over. 3. Loosen the 4 hexagon bolts [B]. 4. Remove the vacuum motor [C]. 5-69 C226...
  • Page 244 TROUBLESHOOTING...

  • Page 246: Troubleshooting

    Install a new ink cartridge. Insufficient printing pressure applied to drum? Check the printing pressure mechanism. Sheet of paper wrapped under the master or two masters wrapped around the drum? Remove the paper or the extra master from the drum. C226...
  • Page 247 Make prints in Test Pattern mode and check the image. Does the same problem still occur with the test pattern? CIS or main board is defective. Thermal head, or main board is defective. C226...
  • Page 248 Is the print image smaller than the original in the paper feed direction? Is the master feed motor functioning normally? Check the master feed motor. Are the drive belts in the master feed section adjusted to the correct tension? Adjust the belt tension. C226...
  • Page 249 TROUBLESHOOTING Are any of the pulleys and/or gears in the original feed section loose? Tighten the screws securing the pulleys and/or the gears. C226...

  • Page 250: Paper Feed Trouble

    Is there enough clearance between the paper feed sector gear stopper and the stopper pin? Adjust the clearance. Is the paper feed solenoid energized? Check the paper feed solenoid and the main control board. Is the paper feed sector gear turning normally? Check the sector gear mechanism. C226...
  • Page 251 Is the one-way clutch on the paper feed roller shaft slipping? (Paper is often not fed forward at high printing speeds.) Lightly sand the roller shaft surface with fine sandpaper (increases the coefficient of friction) and replace the clutch. C226...
  • Page 252 Is the paper detecting pin moving normally? Adjust the position of the paper detecting pin. Is any paper stuck between the second guide plates? Remove the paper. Are the second guide plates at the correct height? Adjust the height of the plates. C226...
  • Page 253 Is the paper detecting pin moving normally? Adjust the pin position. Is the upper second feed roller moving normally? (The upper second feed roller should move up when the pressure roller contacts the drum.) Adjust the roller up/down timing. C226...
  • Page 254 Is there enough clearance between the paper detecting arm and the pressure release arm? Adjust the clearance. Is the printing pressure cam timing correct? (Otherwise, the maximum printing area cannot be created.) Adjust the cam timing. C226...

  • Page 255: Electrical Component Troubleshooting

    Main PCB) –12 V (CN103-6 on Machine functions are correct, but when the Print > Main PCB) Start key is pressed, the add ink indicators No input and "D" blink after 20 rotations even though ink is present. C226 6-10...
  • Page 256 (Feeler is not blink. actuated) Paper Table Lower ON condition The paper table does not go down. Limit Sensor (Interrupted) OFF condition When the paper feed table goes down and stops, (Not interrupted) the cover open indicator blinks. 6-11 C226...
  • Page 257 Master end is not detected; Master End ON condition > (Actuated) indicators "C" and do not blink and jam indicators "C" and blink. Even if the master is present, the Master End OFF condition > (Not actuated) indicators "C" and blink. C226 6-12...
  • Page 258 Master Buckle When the main switch is turned on, jam ON condition Sensor indicators "C" and blink and cannot be reset. Original feeding and master feeding stops OFF condition halfway, and jam indicators "C" and blink. 6-13 C226...
  • Page 259 (Sensor Master is not on the drum: master is wrapped always correctly on the drum, but the "M" indicator detects black) blinks when the Print Start key is pressed. Refer to the next page. C226 6-14...
  • Page 260 Paper Size Detection Sensor Image Length (Master Making Length) 172 mm 247 mm 287 mm 354 mm LT version: Paper Size Detection Sensor Image Length (Master Making Length) 8.1" 10.6" 13.6" 13.9" (205.9 mm) (269.4 mm) (345.6 mm) (354 mm) 6-15 C226...
  • Page 262 TAPE MARKER TYPE 20 (C532)

  • Page 264: Specifications

    Width 17 mm to 18 mm (0.67" to 0.71") Dimensions: 155 mm (W) x 105 mm (D) x 60 mm (H) (6.1" x 4.1" x 2.4") Weight: 700 g (1.5 lb) Power Source: +24 VDC and +5 VDC from main body Power Consumption: 15 W C226...

  • Page 265: Basic Operation

    [E] detects the cutter actuator [F], the drive motor will stop and will send the task completion signal to the main body. The main body will start the next job after receiving this signal. C226...

  • Page 266: Drive And Cutting Mechanism

    The cutter spring [F] will return the cutter to its original position. After the cutter home position sensor [G] detects the cutter actuator [H], the drive motor will stop and the tape dispenser PCB will send the task completion signal to the main body. C226...

  • Page 267: Manual Cut

    If the manual switch is pressed longer than 2,500 milliseconds, the tape will continue to be fed out until the manual switch is released. Afterward, the motor will reverse to cut the tape. C226...

  • Page 268: Replacement And Adjustment

    NOTE: Ensure that the cutter moves smoothly by rotating the cam drive gear [F] clockwise manually after the replacement. 6. Reassemble the tape dispenser. NOTE: Ensure that the tape dispenser PCB [G] and the tape dispensing bracket [H] are in lower housing slots [I]. C226...

  • Page 269: Cutter Home Position Sensor Replacement

    5. Remove the cutter home position sensor assembly [D] and replace the sensor. (1 screw, 1 connector) 6. Reassemble the tape dispenser. NOTE: Ensure that the tape dispenser PCB [E] and the tape dispensing bracket [F] are in lower housing slots [G]. C226...

  • Page 270: Tape Cut Length Adjustment

    3. Measure the tape length. If the tape is longer than 250 mm, turn VR2 [B] counterclockwise. If the tape is shorter than 250 mm, turn VR2 clockwise. CAUTION Do not turn VR1. It is for factory adjustment only. C226...
  • Page 271 DIFFERENCES BETWEEN MODELS...
  • Page 272 Each model used in this manual represents the following models Model RICOH A.B.Dick SAVIN NRG Model Code Model Model Model C215 VT2005 5323 C216 VT2105 CP325/1250/5325 C224 VT2200 CP327/1252/5327 6530 3200DNP C226 VT2250/40 CP329(L)/1254(L)/5329(L) 6560 3250DNP C226...

  • Page 273: Differences Between Models

    Item Remarks These units are commonly used in our facsimile products. The C226 model uses a book type scanner. The C224 model does not have this feature. The contact image sensor removes the necessity of complicated adjustments ADF, Scanner, and needed for a CCD scanner.
  • Page 274 Since the Main Control PCB was moved from the operational side, the Power Supply PCB was also moved from the non-operation side of the machine to where the Main Control PCB was located in the C224 model. Main Control PCB C226...
  • Page 275 2) In other models which use a book type scanner, shadows near the edges and the center of prints (with the platen cover open) can be removed. In the C226, a similar function is available as the Edge Erase/Center Erase mode. Before using this function, the print paper size must be selected manually by the operator.

  • Page 276: Between C224 And C211/C212/C213

    Drum Ink Roller Layout L’ L = 5.0 mm L’ = 3.5 mm NOTE: The optional color drum for the C224 model is commonly used for the C211 model. (The distance L for the color drum is 4.5 mm.) C226...
  • Page 277 Air Knife Motor a dc motor. The pressure plate position switch and the full master Pressure Plate detecting switch have been eliminated. Position Sensors Three photo-interrupters, upper and lower pressure plate sensors and full master box sensor are used instead. C226...
  • Page 278 "Secret mode" can be selected by changing DIP SW103-6. Security Mode If this mode is selected, the Print key is disabled after (New Function) turning the main switch off and on. (Only the "Master making key" is available.) C226...

  • Page 279: Between C215/C216 And C211/C212/C213

    Drum Ink Roller Layout L’ L = 5.0 mm L’ = 3.5 mm NOTE: The optional color drum for the C215/C216 model is commonly used for the C211 model. (The distance L of the color drum is 4.5 mm) C226...
  • Page 280 Thermal Head Drive The thermal head voltage is directly applied from the power supply unit. The main board applies signal to the PSU to supply thermal head voltage only during the master making process. C226...

  • Page 281: Between C207/C208 And C211/C212/C213

    Processing C213 image processing board performs the Make-up function. Board Main A VHD ON/OFF line has been added to the main harness. Harness Drum Master The drum master sensor has been changed to stabilize the sensor Sensor sensitivity. C226 8-10...
  • Page 282 C207/C208 models. (Extended outward at point [A], moved in at point [B].) This reduces the noise caused when the second feed rollers turn and the paper [C] snaps as it is pulled taut. Second C207/C208 cam C211/C212/C213 cam Feed Roller 8-11 C226...
  • Page 283 An ON/OFF control circuit for the thermal head drive voltage (VHD) has been added to the main control board. Main Control Board The drum master detection circuit on the main control board has been modified to accommodate the new drum master sensor. C226 8-12...
  • Page 284 To prevent service personnel from mistakenly installing the C207/C208 thermal head on C211/C212/C213 models and vice versa, the distance between the screw holes on each mounting plate is different. C207/C208 C211/C212/C213 Thermal Head Mounting Plate 268 mm 260 mm 8-13 C226...
  • Page 285 C207/C208 spool; however, the old master is too wide to fit on the C211 LG or C211 A4 model’s spool holder. New Master - M (for C211 B4/C212/C213) Old Master 46φ 50φ 280 mm 280 mm New Mster - S (for C211 LG/C211 A4) 50φ 240 mm C226 8-14...
  • Page 286 Cutter Section Counter rollers [C] have been added to prevent new masters from creasing as they are being fed through the master reverse section. Also, the reverse roller [D] has been modified as shown. Master Feed Unit 8-15 C226...
  • Page 287 The diameter of the left drum lock pin [D] and the right drum lock pin [E] is different for each drum type as follows: Color Drum Left [D] Right [E] M: (B4 Size) 8φ 8φ S: (A4 Size) 10φ 7.6f LG: (LG Size) 10φ 7.6φ C226 8-16...
  • Page 288 A4/LG size: 226 mm Pressure Roller Two different types of pressure cams are used because the printing area (feed direction) of A4 copies on the C211 A4 model is smaller. A4 Size Pressure Cam B4/LG Size Pressure Cam Pressure 8-17 C226...
  • Page 289 DIFFERENCES BETWEEN MODELS Item Remarks The platen roller [A] has been changed to an electrically conductive type to prevent the master from wrapping around the platen roller. Platen Roller C226 8-18...
  • Page 290 TECHNICAL SERVICE BULLETINS...
  • Page 292 TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: VT2250 - 001 04/14/97 APPLICABLE MODEL: VT2250 SUBJECT: SERVICE MANUAL - INSERT GENERAL: The Service Manual page(s) listed below must be replaced with the page(s) supplied. Each bulletin package contains 1 set of replacement pages. PAGES: ⇒...
  • Page 293 8)',2-'%0#7)6:-')#&900)8-2 '97831)6#7)6:-')#+6394 &900)8-2#291&)6U :8FFIN#g#NNF NGfGEfML %440-'%&0)#13()0U :8FFIN SUBJECT: SERVICE MANUAL - INSERT GENERAL: The Service Manual page(s) listed below must be replaced with the pages(s) supplied. Each bulletin package contains 1 set of replacement pages. PAGES: The revised areas have been highlighted by an arrow ⇒ •...
  • Page 294 1.1 C226 AND C224 ........
  • Page 295 Main PCB) –12 V (CN103-6 on Machine functions are correct, but when the Print > Main PCB) Start key is pressed, the add ink indicators No input and "D" blink after 20 rotations even though ink is present. C226 6-10...
  • Page 296 (Feeler is not blink. actuated) Paper Table Lower ON condition The paper table does not go down. Limit Sensor (Interrupted) OFF condition When the paper feed table goes down and stops, (Not interrupted) the cover open indicator blinks. 6-11 C226...
  • Page 297 Master end is not detected; Master End ON condition > (Actuated) indicators "C" and do not blink and jam indicators "C" and blink. Even if the master is present, the Master End OFF condition > (Not actuated) indicators "C" and blink. C226 6-12...
  • Page 298 Master Buckle When the main switch is turned on, jam ON condition Sensor indicators "C" and blink and cannot be reset. Original feeding and master feeding stops OFF condition halfway, and jam indicators "C" and blink. 6-13 C226...
  • Page 299 (Sensor Master is not on the drum: master is wrapped always correctly on the drum, but the "M" indicator detects black) blinks when the Print Start key is pressed. Refer to the next page. C226 6-14...
  • Page 300 Paper Size Detection Sensor Image Length (Master Making Length) 172 mm 247 mm 287 mm 354 mm LT version: Paper Size Detection Sensor Image Length (Master Making Length) 8.1" 10.6" 13.6" 13.9" (205.9 mm) (269.4 mm) (345.6 mm) (354 mm) 6-15 C226...
  • Page 302 GENERAL: A new wider Gear Oil Damper and a modified Collar Oil Damper are now being used. Both parts should be changed as a set. The following Parts Update is being issued for all C226 Parts Catalogs. REFERENCE OLD PART NO.
  • Page 303 Raise the sensor position by installing a 0.2mm-thick spacer as shown above (P/N 08072071). If this spacer has no effect, install one more 0.2mm spacer or remove the first one and use a 0.4 mm spacer (P/N 07010030Z). Continued…  Copyright 2002 RICOH Corporation. All rights reserved.
  • Page 304 Tech Service Bulletin No. C226 – 002 Page 2 of 2 Confirmation: Detection Check If a used Master Roll is available (with the black End stripe visible), follow the procedure below: Place the end stripe of the used Master Roll over the Master End Sensor.
  • Page 305 C226– 003 11/19/2002 APPLICABLE MODEL: GESTETNER – 5329L RICOH – VT2250 SAVIN – 3250DNP SUBJECT: RUBBER RINGS GENERAL: The following parts updates are being issued for all C226 Parts Catalogs. REFERENCE OLD PART NO. NEW PART NO. DESCRIPTION PAGE ITEM C2004826...

Table of Contents