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Ricoh C217 Service Manual

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C217/C225

SERVICE MANUAL

PN: RCSM1730
RICOH GROUP COMPANIES

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Summary of Contents for Ricoh C217

  • Page 1: Service Manual

    C217/C225 SERVICE MANUAL PN: RCSM1730 RICOH GROUP COMPANIES...
  • Page 3 RICOH GROUP COMPANIES...
  • Page 5 C217/C225 SERVICE MANUAL PN: RCSM217...
  • Page 7 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 9 LEGEND PRODUCT CODE COMPANY GESTETNER RICOH SAVIN C217 5303 VT1730 — C225 5304 VT1800 3100DNP DOCUMENTATION HISTORY REV. NO. DATE COMMENT 5/93 Original Printing 10/95 VT1800 Addition...

  • Page 11: Table Of Contents

    4.3 2ND FEED ROLLER MECHANISM ..... . 2-14 4.4 UPPER 2ND FEED ROLLER RELEASE MECHANISM ..2-15 C217...
  • Page 12 8.3.2 Thermal Head Protection ........2-50 9. MASTER PLOTTING AND PRINTING AREA ....2-51 C217...
  • Page 13 4.1 ACCESS PROCEDURE ....... . 4-8 4.2 DRUM FREE RUN MODE ......4-8 C217...
  • Page 14 4.1 MASTER EJECT UNIT REMOVAL ..... . 5-19 5. PAPER FEED SECTION ....... . . 5-21 C217...
  • Page 15 2.1 IMAGE TROUBLE ........6-3 2.2 PAPER FEED TROUBLE....... 6-5 C217...
  • Page 16 7.19 APPENDIX A - DIAGNOSTIC STATUS PAGE ... . 7-37 7.20 PARTS CATALOG ....... . . 7-39 C217...

  • Page 17: Important Safety Notices

    SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL 1. Dispose of replaced parts in accordance with local regulations. 2. Used ink and master should be disposed of in an environmentally safe manner and in accordance with local regulations. C217...
  • Page 19 OVERALL MACHINE INFORMATION (C217) OVERALL MACHINE INFORMATION (C225) DETAILED SECTION DESCRIPTION (C217) DETAILED SECTION DESCRIPTION (C225) INSTALLATION (C217) INSTALLATION (C225) SERVICE TABLES (C217) SERVICE TABLES (C225) REPLACEMENT AND ADJUSTMENT (C217)/(C225) TROUBLESHOOTING (C217)/(C225) PCRIP-10 PRIPORT CONTROLLER...

  • Page 21: Overall Machine Information

    OVERALL MACHINE INFORMATION...

  • Page 23: Specifications

    Paper Feed Table Capacity: 500 sheets (80 g/m , 20.0 lb) Paper Delivery Table Capacity: 500 sheets (80 g/m , 20.0 lb) Master Eject Box Capacity: More than 15 masters ADF Original Capacity: 6 sheets or a 0.6 mm height C217...
  • Page 24 Tape for tape maker 35 m (114.8 ft)/roll Thermal head cleaner Cleaner pen – 1pc Clean the thermal head using the Replacement felt – 10 pcs cleaner after 2 master rolls have Cleaner bottle – 1 pc been used. C217...

  • Page 25: Printing Process

    This transfers the ink to the paper through the drum screen and the master. 6. Paper Delivering: The air knife and exit pawls removes the printed paper from the drum, and ejects the paper onto the paper delivery table. C217...

  • Page 26: Mechanical Component Layout

    24. Drum 10. Thermal Head 25. Master Eject Box 11. Master Roll 26. Master Eject Roller 12. Plotter Unit 27. CCD Unit 13. Ink Pump 28. Original Exit Tray 14. Paper Table 29. Master Eject Unit 15. Paper Feed Roller C217...

  • Page 27: Drive Layout

    14. 2nd Feed Motor 6. Original Feed Roller 15. Main Motor 7. Drum Drive Gear 16. 2nd Feed Roller Gear 8. Upper Master Eject Roller Gear 17. Paper Feed Roller Gear 9. Lower Master Eject Roller Gear 18. Master Feed Motor C217...

  • Page 28: Electrical Component Description

    Scanner Unit Open Checks if the scanner unit is open. Delivery Cover Open Checks if the delivery cover is open. Main Turns the power on or off. Master Eject Box Checks if the master eject box is set correctly. C217...
  • Page 29 Keeps track of the total number of masters made. Others Thermal Head Plots the master using heat. Paper Feed Clutch Transmits the main motor drive to the paper feed roller at an appropriate timing. Exposure Lamp Applies light to the original for exposure. C217...
  • Page 30 ELECTRICAL COMPONENT LAYOUT C217...
  • Page 31 Main PCB AC POWER CCD PCB A/D Conversion PCB (120V or 220V) Binary Processing Circuit Thermal Head Drive EPROM EPROM Convert Thermal Head Noise Filter Gate Gate Gate Array Array Array Exposure Lamp Main Switch Main Control Lamp Control Programable Power Counter +20V...

  • Page 33: Detailed Section Descriptions

    DETAILED SECTION DESCRIPTIONS...

  • Page 35: Master Eject

    [C]. When the drum stops at the master feed position after one and a half turns, the pressure plate drive motor starts turning to compress the used master in the master eject box. C217...

  • Page 36: Master Clamper Open Mechanism

    [D] which has a lever [E] at the rear side. The clamper motor [F] drives the moving link [G] and pushes up the clamper lever [E]. The master clamper then lifts the master eject arm [H] to release the master’s leading edge from the clamper. C217...

  • Page 37: Master Eject Roller Mechanism

    After one turn of the drum, the master eject motor stops. The drum continues turning for a half turn and stops at the master feed position. The master eject sensor [C] is used to detect master eject jams. C217...

  • Page 38: Pressure Plate Mechanism

    If the full master sensor is not actuated within 2.4 seconds after the pressure plate motor is activated, the machine stops the motor. The Empty Master Eject Box indicator blinks after the master making procedure has finished and the drum is positioned at the master exit position (drum home position). C217...

  • Page 39: Scanner And Optics Section

    4-bit digital data is converted into 1-bit data. The main PCB holds the 1-bit data for each pixel. The PCB uses the 1-bit data to turn on the thermal head which will burn each pixel onto the master. C217...

  • Page 40: Original Feed Mechanism

    (the 2nd original has been transported a total of 13 mm from the original registration sensor), then the original feed motor stops. After printing of the 1st original is completed, the original transport motor starts again for the next original. C217...

  • Page 41: Original Feed Drive Mechanism

    [C], so that a small gap is made between the continuous originals while being transported. A one-way clutch is installed in the pick-up roller gear [D] to absorb the speed difference between the pick-up roller and the original transport roller. C217...

  • Page 42: Master Feed

    The drum is moved to the eject position and locked using a "V" shaped notch on the rear of the drum positioning guide [J] to locate and lock the drum positioning stud [K]. A second stud, 180 degrees from the first, is used to position the drum during master feeding operations. C217...

  • Page 43: Master Feed Mechanism

    The intermittent rotation keeps the master buckle on the master feed guide to absorb the shock wave from the wrapping operation. The tension roller [F] is pressed to the guide plate which gives the tension to the master during the master wrapping operation. C217...

  • Page 44: Master Clamper Operation And Tension Roller Release Mechanism

    [E] and releases the friction roller from the guide plate to allow the master to be fed into the master clamper. To close the master clamper, the clamper motor turns in the reverse direction. C217 2-10...

  • Page 45: Cutter Mechanism

    After the master cut operation, the drum starts turning again to wrap the remaining part of the master around the drum. At the same time, the master is fed another 32.6 mm ready for the next master making. 2-11 C217...

  • Page 46: Paper Feed Section

    2nd feed rollers. The 2nd feed rollers synchronize the paper feed timing with the image on the drum. After the paper has come into contact with the 2nd feed rollers and the paper is corrected for skew, the rollers will start rotating. C217 2-12...

  • Page 47: Paper Feed Roller Mechanism

    [A] and the friction pad [E], and is transported to the 2nd feed roller. A one-way clutch is installed in the paper feed roller so that after the electromagnetic clutch is de-energized, it does not disturb paper transportation. 2-13 C217...

  • Page 48: 2Nd Feed Roller Mechanism

    (smaller lead edge margin). If the paper feed timing is advanced, the image is shifted backward (large lead edge margin). After the printing paper is caught between the drum and the press roller, the feed roller stepper motor stops. C217 2-14...

  • Page 49: Upper 2Nd Feed Roller Release Mechanism

    2nd feed roller is released when the paper is transported 30mm after reaching the press roller. Even if the paper feed timing is fully delayed (Max. 15 mm), the paper leading edge reaches to the press roller before the upper 2nd feed roller is released. 2-15 C217...

  • Page 50: Printing Pressure Mechanism

    The printing pressure is released when the cams push down the cam followers so that the press roller does not contact the master clamper [I]. C217 2-16...
  • Page 51 After printing is finished, the solenoid is de-energized and the stoppers return by tension of the springs. Before the drum returns to the home position, the bracket is locked by the stopper again when the cams push down the cam followers. 2-17 C217...

  • Page 52: Paper Table

    [G] and the paper table is lowered. The arm [D] hooks the bearing [C] to stop the table in the lower position to allow easy paper setting. A photo-interrupter [H] is installed under the paper table to detect paper on the table. C217 2-18...
  • Page 53 [A]. Normally the levers should be in the upper position. If paper pick-up jams occurs frequently, the levers should be lowered to increase the pressure. If paper multifeed occurs frequently, the side pads [B] should be installed to apply stopping pressure to the paper. 2-19 C217...

  • Page 54: Side Fence Slide Mechanism

    By turning the dial [E], the shaft and the side fences move together side to side changing the paper position on the paper table. If the dial is turned clockwise, the fences move to the left. C217 2-20...

  • Page 55: Drum

    The drum is driven by the main motor and turns only clockwise (from the operator side). The motor speed and the drum stop positions are controlled by monitoring the main motor encoder. 2-21 C217...

  • Page 56: Drum Drive Mechanism

    When the drum is stopped at the master eject position, the master eject position sensor [D] is actuated. When the master eject operation is started, the main PCB confirms if the drum is at the master eject position by this sensor [D]. C217 2-22...

  • Page 57: Main Motor Control

    The main motor speed is maintained by the main motor control PCB which is monitoring the encoder pulses from the main motor. CN108-4 (Speed 1) CN108-5 (Speed 0) Motor Speed 60 rpm 140 rpm 200 rpm 260 rpm Drum Speed 30 rpm 70 rpm 100 rpm 130 rpm 2-23 C217...

  • Page 58: Ink Supply Mechanism

    There is a pin on the pump drive gear [E] which is coupled with the pin holder [F] on the pump piston shaft. This mechanism converts the gear rotating motion into the piston vertical alternating motion. Two holes on the drum shaft [G] drop ink on to the ink roller [H]. C217 2-24...

  • Page 59: Ink Roller Mechanism

    This happens while the drum screen and the master are held against the ink roller by the pressure roller [F] located underneath the drum. 2-25 C217...

  • Page 60: Ink Supply Control

    By detecting the capacitance, the ink supply motor is controlled to keep the ink level. The ink roller blade [D] is installed on both ends of the ink roller to scrape off the built-up ink on the ink roller edges. C217 2-26...
  • Page 61 (T0>T2), "P" becomes high and turns off the LED101. While the CPU is receiving the high signal at "P", the CPU recognizes that the ink level is low and turns on the ink supply motor to supply ink until the signal at "P" becomes low. 2-27 C217...
  • Page 62 (see page 2-26 Ink Supply Control). When the main switch is turned off, this condition is reset to normal operation. This function serves to remove the ink inside the drum. C217 2-28...

  • Page 63: Paper Delivery Section

    The exit pawls [A] and the air knife [B] separate the paper from the drum. The paper is delivered to the paper delivery table [C] by the upper and lower exit rollers [D]. There is a photoreflector type photosensor mounted between exit roller assemblies [E] to detect paper jams. 2-29 C217...

  • Page 64: Paper Delivery Roller

    Each roller position should be adjusted according to the paper position on the paper table, so that the upper and lower exit rollers catch 5 mm inside of the paper edge to transport it. The paper size indicator [E] shows the standard delivery roller position for each paper size. C217 2-30...

  • Page 65: Exit Pawl/Air Knife

    The motor stops when the last sheet of paper is fed out. The upper exit rollers [D] are installed on the exit pawls. They are pushed against the lower exit rollers [E] by tension of the springs [F]. 2-31 C217...

  • Page 66: Exit Pawl Release Mechanism

    This rotates the cam follower arm, and the pawl shaft clockwise, to move the pawls away from the drum. When both cam followers are out of contact with the cam, the pawls move back towards the drum to their normal position. C217 2-32...

  • Page 67: Jam Detection

    3) If the original registration sensor does not detect the trailing edge of the original within 4 seconds after the original leading edge is transported 355.6 mm from the original registration sensor. 4) If the original stops interrupting the original registration sensor after the stop key is pressed while scanning. 2-33 C217...

  • Page 68: Master Eject Jam Detection

    4) If the master eject sensor is actuated when the pressure plate is returned to the home position. This is the case when the master trailing edge sticks on the pressure plate and is pulled back to the master eject rollers. C217 2-34...

  • Page 69: Master Feed Jam Detection

    ( + C) will be displayed on the operation panel. (The master eject position sensor [C] is used to confirm that the drum is positioned at the master eject position.) 2-35 C217...

  • Page 70: Paper Feed Jam Detection

    Paper jams are detected by the registration sensor [A] and the exit sensor [B]. Jam detection timing is determined by the drum position sensors and the main motor encoder. The timing chart on the next page shows the jam detection timing. C217 2-36...
  • Page 71 When the feed jam timing sensor [E] is actuated: 1. If the registration sensor is activated, a 2nd feed failure is detected. (B + 2. If the registration sensor is not activated, a paper wrap jam is detected. (E + 2-37 C217...

  • Page 72: Image Processing

    Then the analog signal is converted into a 4-bit digital signal and is sent to the binary processing circuit. The following sections (8.1.1 - 8.1.8) will give a brief explanation of the various steps in the A/D conversion process. C217 2-38...
  • Page 73 CCD, it does not effect the amplified signal, because the Inverted & noise affects both signals Amplified identically. Therefore, CCD Output substracting the DOS signal from the OS signal will cancel the noise out. The amplification ratio can be changed by turning VR201. 2-39 C217...
  • Page 74 The low bound is called the black level (VB, see pg. 2-41). The high bound is called the peak hold value, or VPH. When the analog signal is digitized, VB and VPH will serve as references to determine how the CCD output will be distributed over the sixteen different 4-bit values. C217 2-40...
  • Page 75 (5) Black level (VB) This circuit always outputs 1.4V. This black level voltage is used as a reference for A/D conversion and as the lower limit of the amplified CCD output. 2-41 C217...
  • Page 76 16 steps. For example, the amplified CCD output (VS), whose level is as shown at right, is changed into "13" (digital data) to be sent to the binary processing circuit. VB (1.4 V) PB (1.4 V) A/D Converter C217 2-42...
  • Page 77 (deciding the VB at 0%). The voltage between each parameter is divided into further 4 steps, thus the voltage between VH and VL is divided VB (1.4 V) VB (1.4 V) into 16. Image Mode, Image Mode, Lighter Darker 2 2-43 C217...
  • Page 78 Original Density Graph 2 Line Mode, Normal Original Density Graph 3 Photo Mode, Normal Original Density As shown in Graph 1, the relationship between the original density and VS (amplified CCD output) is not linear due to CCD characteristic. C217 2-44...
  • Page 79 (Refer to (3) Shading Distortion Correction.) (8) Shading Distortion Memory The amplification ratios (α) which corresponds to each CCD elements are stored as 4-bit digital data in the shading distortion memory circuit and used for the shading distortion correction. 2-45 C217...

  • Page 80: Binary Processing

    The binary process is different between the line mode and the photo mode. 1) Line Mode: MTF (Modulation Transfer Function) Correction 2) Photo Mode: Dither Processing and Edge Emphasis Processing (Edge Emphases Processing is selected only when the DIP-SW 101-6 is turned on.) C217 2-46...

  • Page 81: Mtf Correction

    The modified data is compared to a threshold level to determine if the pixel is black or white. ≥ 8.0 or Data E ≥ 8.0 ----- Black Modified Data E Modified Data E < 8.0 and Data E < 8.0 ----- White 2-47 C217...

  • Page 82: Dither Processing

    To counter this, when the density difference between a pixel and surrounding pixels is greater than a specified level, the surrounding pixel data is processed using MTF instead of the dither process. C217 2-48...

  • Page 83: Thermal Head

    Power Supply PCB is replaced, it is necessary to readjust the applied voltage with the particular value indicated for each thermal head. The energy applied to the thermal heating elements is determined by the length of time (t) at which power is applied. 2-49 C217...

  • Page 84: Thermal Head Protection

    Making key is pressed, and lights the SC code on the operation panel as follows: Detecting Component Conditions SC Code Thermistor Over 54°C E – 04 Thermistor Under – 20°C (Thermistor open) E – 09 Thermal Guard Over 85°C E – 08 C217 2-50...

  • Page 85: Master Plotting And Printing Area

    Image Area Length (349.6 mm) 5 mm (355.6 mm) 9.2 mm Paper (Shift : 15 mm) Image Area Length (339.6 mm) 15 mm (355.6 mm) Paper (Shift : –15 mm) 5 mm Image Area Length (335.6 mm) 15 mm (355.6 mm) 2-51 C217...
  • Page 86 2. Width 81/2" (215.9 mm) Original Master Plotting Width (210 mm) Master 15 mm Master Width (240 mm) 5.925 mm Screen Mesh Width (220.5 mm) Screen Image Width (210 mm) Paper (215.9 mm) C217 2-52...

  • Page 87: Installation

    INSTALLATION...

  • Page 89: Installation Requirements

    1.1 OPTIMUM ENVIRONMENTAL CONDITION: Temperature — 10 to 30°C On a strong and level base. (50 to 86°F) Humidity — 20 to 90 % RH The machine must be level within 5 mm (13/64") both front to rear and left to right. C217...

  • Page 90: Environments To Avoid

    1,500 lux). Areas with corrosive gases. Locations directly exposed to cool air from an air conditioner or reflected heat from a space heater. (Sudden temperature changes from low to high or vice versa may cause condensation within the machine.) C217...

  • Page 91: Power Connection

    Voltage must not fluctuate more to a power source. than 10%. Make sure that the wall outlet is near the machine and easily accessible. Make sure the plug is firmly inserted in the outlet. Avoid multiwiring. Do not pinch the power cord. C217...

  • Page 92: Access To Machine

    Place the machine near a power source, providing clearance as shown below. 10 cm (4.0") Paper Paper 61 cm Feed Delivery (24.0") Table Table More than 70 cm (27.6") More than More than 60 cm 105 cm (41.3") 60 cm (23.7") (23.7") C217...

  • Page 93: Installation Procedure

    (1) Master Spool............2 (2) Paper Feed Side Pad ........2 (3) Thermal Head Cleaner (Excepting OEM’s USA version) .....1 (4) Operating Instructions........1 (5) NECR (Ricoh version only)......1 (6) Installation Procedure (Ricoh version only)..........1 (7) Brand Stickers (OEM version only)...........1 set (8) Model Name Plates (OEM version only)...........1 set...
  • Page 94 4. Open the paper feed tray. Then remove the cushion [A] holding the paper feed table. 5. Firmly insert the plug in the wall outlet. NOTE: Make sure that the wall outlet is near the machine and easily accessible. 6. Turn on the main switch. C217...
  • Page 95 Place the paper on the paper feed table. d. Adjust the paper feed side plates to match the paper size. e. Lift the feed roller pressure lever. f. Make sure that the paper feed side plates contact the paper lightly. C217...
  • Page 96 8. Set the paper delivery rollers and guides as follows: a. Open the paper delivery table. b. Move the paper delivery end and side plates to match the print paper size. c. Adjust the paper delivery rollers to match the paper size. C217...
  • Page 97 Turn on the main switch. h. Press the master cut button to cut the leading edge of the master roll. i. Remove the cut-off portion of the master roll. j. Close the top cover. C217...
  • Page 98 Print Start key to make prints at the lowest print speed until the print image density stabilizes. Use a test chart to check for changes in the image density. e. Check the copy image after about one hundred prints. C217 3-10...
  • Page 99 1. Peel off the backing film of the brand sticker (accessory). 2. Adhere the brand sticker to the operation panel as shown. 3. Peel off the backing film of the model name plate (accessory). 4. Adhere the model name plate in the recess on the front cover. 3-11 C217...

  • Page 100: Tape Marker Installation

    1. Knob Screw ..................2 2. Screw M4 x 25 ..................2 3. Hexagon Nut M4 .................2 4. Lock washer ..................1 5. Tape ....................1 NOTE: The kit may contain extra parts that are used to install the tape marker in other model machines. C217 3-12...

  • Page 101: Installation

    (accessory) in the two outside holes of the tape marker bracket. NOTE: 1) Tighten the knob screws with a screwdriver to prevent them from coming loose. 2) Install the lock washer [B] (accessory) with the lower of the two knob screws. 3-13 C217...
  • Page 102 [F]. 6. Press the tape cut button [G] to cut off the leading edge of the tape. 7. Check the tape marker operation using the Memory/Class modes of the main body. C217 3-14...

  • Page 103: Service Tables

    SERVICE TABLES...

  • Page 105: Service Remarks

    When removing and reinstalling the friction pad base, be sure to install it in the correct direction and position. (See "5.1 PAPER FEED ROLLER AND FRICTION PAD REMOVAL.") 2. Paper Feed Roller Do not touch the surface of the roller with oily hands. C217...

  • Page 106: Drum And Drum Drive Section

    When you set the ink cartridge, firmly slide it in and push the set lever (to which a green tab is adhered for identification) until it clicks in position. If it is not set correctly, the ink in the cartridge will not be supplied to the drum. C217...

  • Page 107: Paper Delivery Section

    4) Trailing edge erase margin adjustment 5) Ink detection adjustment 2. Power Supply PCB 1) When replacing the power supply PCB with a new one, be sure to adjust the voltage supplied to the thermal head. (Continued on the next page.) C217...
  • Page 108 When replacing the A/D conversion PCB with a new one, be sure to adjust the output of the white level. 4. CCD PCB When replacing the CCD PCB with a new one, be sure to adjust the output of white level, scanning line position, scanning start position, focus, and horizontal magnification. C217...
  • Page 109 Rev. 10/20/93 This Page Intentionally Left Blank C217...

  • Page 110: Maintenance Table

    Dry Cloth Drum and Ink Supply Cloth Screen Drum Drive Gears and Grease (Alvania #2) Motor Oil Drum Flange Bushing (SAE #20) In/Outside of Drum Alcohol Ink Pump Nozzle Alcohol Others Timing Belt Tension Press Roller Lock Lever Position C217...

  • Page 111: Lubrication Points

    3. LUBRICATION POINTS 3.1 FEED ROLLER BUSHING Lubricant: Motor Oil 3.2 EXIT ROLLER BUSHINGS Lubricant: Motor Oil C217...

  • Page 112: Feed Roller Drive Gears

    3.3 FEED ROLLER DRIVE GEARS Lubricant: Grease (Alvania #2) 3.4 DRUM DRIVE GEARS AND CAM Lubricant: Grease (Alvania #2) C217...

  • Page 113: Drum Flange Bushing

    3.5 DRUM FLANGE BUSHING Lubricant: Motor Oil C217...

  • Page 114: Input/Output Check Mode

    3. Free run starts by pressing the Image Density key. Operation depends on the image Density selection as follows: Image Density Selection Drum Speed Lighter 30rpm Normal Stop Darker 30rpm Darkest 70/100/130rpm (see Note) NOTE: The drum speed can be changed by the Speed key. C217...

  • Page 115: Input Check Mode

    Switch is on DIP SW 103-3 Switch is on DIP SW 103-4 Switch is on DIP SW 103-5 Switch is on DIP SW 103-6 Switch is on DIP SW 103-7 Switch is on DIP SW 103-8 Switch is on C217...

  • Page 116: Output Check Mode

    16 Drum Stop (Master Feed) The motor turns to move the pressure plate Pressure Plate Motor * towards to the home position. The motor stops (To Home Position) when the pressure plate H.P. sensor is actuated. C217 4-10...
  • Page 117 (see page 2-26 Ink Supply Control). When the main switch is turned off, this condition is reset to normal operation. This function serves to remove the ink inside the drum. 4-11 C217...

  • Page 118: Thermal Head Test

    6. Press the Master Making key. 7. Make prints and check the image. Assessment Pattern image is normal ....Part A component is defective. Pattern image is abnormal....Part B component is defective. Exposure Lamp Main Thermal Conversion Head C217 4-12...

  • Page 119: Service Tables

    6.2 VARIABLE RESISTOR TABLE Main PCB Usage VR101 Ink Detection Adjustment VR102 Original Registration Sensor Adjustment A/D Conversion PCB Usage VR201 White Level Adjustment Power Supply PCB Usage VR301 Factory Use Only (+5V Adjustment) VR401 Thermal Head Voltage Adjustment 4-13 C217...

  • Page 120: Dip Sw Table

    DPS 101 If two of the DIP-SW 101-2~6 are on, the image will not be produced. DPS 102 Thermal Head Power Off Normal DPS 102 Leading Edge Registration Adjustment +2.4 mm +1.6 +0.8 0 (Standard) –0.8 –1.6 –2.4 –3.2 C217 4-14...

  • Page 121: Led Table

    Sufficient Ink Condition – Paper Feed Condition 6.5 FUSE TABLE Main PCB FUSE # Rated Protect Current Voltage Device 630 mA 24 V Master Cutter, Master Clamper, and Pressure Plate Motors, Ink Motor 38 V Air Knife Motor 4-15 C217...

  • Page 122: Service Call Indications Table

    E-12 Pressure Plate Motor Failure Mechanical interference The pressure plate home position with the pressure plate sensor signal is not detected within 3 drive seconds after the pressure plate motor Pressure plate motor is turned on. Pressure plate H.P. sensor C217 4-16...

  • Page 123: Replacement And Adjustment

    REPLACEMENT ADJUSTMENT...

  • Page 125: Scanner Section

    (grounding) and CN110-5 on the main PCB. It should be between 0.25 and 0.50 volts. (0.375 volts is the target.) 5. If it is not correct, adjust the sensor (light emitter) output by turning VR102 on the main PCB. C217...
  • Page 126 9. If it is not correct, repeat steps 4 to 8. CAUTION: The sensor (light receiver) output level varies depending on the paper type placed on the exposure glass. If a white sheet of 64 g/m paper is used, the sensor output should be 3.0 volts or more. C217...

  • Page 127: Original Friction Pad Removal

    NOTE: Using a minus screwdriver lift the rear (non-operation side) of the guide plate, which is hooked under the rear side frame, as shown [C], but not in the front side (operation side). When installing the guide plate, set the hook on the operation side first. C217...
  • Page 128 [B]. 2) Do not damage or bend the spring plate. Original misfeeds may occur if it is deformed. C217...

  • Page 129: Exposure Lamp Removal

    3. Remove the scanner cover [A] (4 screws). 4. Remove the ADF unit [B] (1 E-ring). You do not have to remove it completely by disconnecting the connector from the ADF. 5. Remove the lower original guide plate [C] (3 screws). C217...
  • Page 130 9. Lift up the front end of the lamp (operation side). Then, twist the other end slightly and remove it using a minus screw driver as shown [E]. NOTE: When installing the lamp, insert the non-operation side first. C217...

  • Page 131: Original Set And Registration Sensor Removal

    1. Follow steps 1 to 3 in "1.2 ORIGINAL FRICTION PAD REMOVAL" to remove the upper original guide plate. 2. Remove the ADF base [B] (4 screws). 3. Remove the upper original registration sensor [C] (light receiver) (1 screw) and original set sensor [D]. C217...

  • Page 132: Original Pick-Up And Feed Roller Removal

    3. Remove the original pick-up roller [B] and original feed roller [C] (2 E-rings, 2 bushings, and 1 gear each). CAUTION: Note that the gear on the pick-up roller shaft has a built in one-way clutch. Make sure that the blue flange of the gear [D] faces the outside. C217...

  • Page 133: Exposure Glass Removal

    1.6 EXPOSURE GLASS REMOVAL When the exposure glass is installed, set it as shown. C217...

  • Page 134: Copy Image Adjustment

    +1.6 +0.8 0 (Standard) –0.8 –1.6 –2.4 –3.2 NOTE: The initial DPS settings differ from one machine to another as they are changed during production. 4. After adjustment, make more than 10 continuous copies to check the variation. C217 5-10...

  • Page 135: Vertical Magnification Adjustment

    PCB as follows: DPS103–1 –2 –3 Difference [%] +1.75 +1.25 +0.75 0 (Standard) –0.75 –1.25 –1.75 –2.25 NOTE: The initial DPS settings differ from one machine to another as they are adjusted during production. 5-11 C217...

  • Page 136: Trailing Edge Erase Margin Adjustment

    DPS103-4, and -5 (DIP switches) on the main PCB as follows: DPS103–4 –5 Difference [mm] –1 NOTE: The initial DPS settings differ from one machine to another as they are adjusted during production. C217 5-12...

  • Page 137: Master Feed Section

    (Turn on the main switch while holding down the Print Start, Stop, and Clear keys together. Then, press the Memory/Class key once to indicate "00" in the memory display.) 6. Select the thermal head power supply mode. (Enter "1" with the number key.) 5-13 C217...
  • Page 138 CAUTION: Never turn VR401 clockwise rapidly while the connector is connected. The thermal head will be damaged if too much voltage is supplied suddenly. NOTE: The output and grounding terminals are positioned in the connector as follows: CN304 Grounding Output C217 5-14...

  • Page 139: Thermal Head Removal

    2. Open the scanner unit. 3. Lift the platen roller release lever [A] up until it locks. Theand remove the platen roller [C]. 4. Remove the thermal head cover [C] (2 screws). 5. Disconnect the connector from the thermal head. 5-15 C217...
  • Page 140 When installing, make sure to set the front side first. IMPORTANT: If the thermal head has been replaced with a new one, the input voltage must be readjusted. Follow the "THERMAL HEAD VOLTAGE ADJUSTMENT" section in the service manual. C217 5-16...
  • Page 141 5. Remove the thermal head cover [D], then remove the release lever [E]. 6. Remove the two springs [F]. IMPORTANT: If the thermal head has been replaced with a new one, the input voltage must be readjusted. Follow the "THERMAL HEAD VOLTAGE ADJUSTMENT" section in the service manual. 5-16 C217...
  • Page 142 [K] and 11. Remove the two screws and remove the bracket (with the remove the thermal head [M]. thermal head). 12. Remove the two screws [M] and remove the thermal head. C217 5-16...

  • Page 143: Plotter Unit Removal

    3.3 PLOTTER UNIT REMOVAL 1. Turn off the main switch and disconnect the power plug. 2. Remove the front cover [A] (4 screws), then disconnect the connectors [B] of the harnesses from the plotter unit. 5-17 C217...
  • Page 144 5. While pulling the harnesses [E] from the plotter unit, remove the unit. CAUTION: Be careful not to damage the harness [F] by the corners of the plotter unit when removing the unit. Also, be careful not to pinch the harness when reinstalling the unit. C217 5-18...

  • Page 145: Master Eject Section

    2. Remove the front cover (4 screws). 3. Swing out the power supply PCB [A] (2 screws and 4 connectors) and disconnect the 4 connectors to the master eject unit (3 from the main harness and 1 from the safety switch). 5-19 C217...
  • Page 146 5. Open the scanner unit, and remove the two screws [A] fixing the unit. 6. Remove the master eject unit while pulling the harness out of the cutout of the front frame. CAUTION: Do not pinch the harnesses when reinstalling the master eject unit. C217 5-20...

  • Page 147: Paper Feed Section

    CAUTION: 1) Install the friction pad base in the proper direction as shown. Otherwise, paper misfeeds will occur. 2) Be sure that the hole [E] in the friction pad base and projection [F] in the bottom hold the friction pressure spring properly. Otherwise, paper misfeeds will occur. 5-21 C217...

  • Page 148: Printing Section

    NOTE: To find out the correct position of the drum for the adjustment, refer to the rear end of the drum shaft. The round part of the shaft must face to the bottom as shown [A]. C217 5-22...
  • Page 149 7. Repeat steps 5 and 6 for the front side. 8. After finishing the adjustment, make sure that the press roller lock levers are released from the press roller arms by pressing the plunger of the press roller release solenoid [E] manually. 5-23 C217...

  • Page 150: Press Roller Removal

    4. Slightly slide the press roller [B] toward the rear and remove it. CAUTION: Take caution to avoid possible injury. If the printing pressure springs [C], which pull the press roller up, are not removed, the press roller may suddenly move by accident when the lock levers are unhooked. C217 5-24...

  • Page 151: Drum, Drum Drive, And Ink Supply Section

    4. If it dose not deflect within this amount, adjust the position of the belt tightened [C] after loosening the screws. NOTE: The 2nd feed motor bracket helps to maintain the drive belt tension. Do not remove the motor bracket when the drive belt tension is adjusted. 5-25 C217...

  • Page 152: Doctor Roller Gap Adjustment

    2. Turn off the main switch and disconnect the power plug. 3. Remove the drum unit, then remove the ink roller unit. (Refer to "7.8 INK ROLLER UNIT REMOVAL.") 4. Wipe off the ink around the ink roller and doctor roller. C217 5-26...
  • Page 153 Then, turn the eccentric cam bushing until the doctor roller lightly touches the gap gauge. Repeat this procedure twice each for the front and rear of the rollers. Finally repeat step 5 to check the gap. 5-27 C217...

  • Page 154: Ink Detection Adjustment

    7. If it is not correct, adjust the ON timing of the detection signal by turning VR101 beside the test pins. NOTE: If the standard signal is delayed from the detection signal, the machine cannot detect the no ink condition. In such case, LED101 on the main PCB lights to warn of this. C217 5-28...

  • Page 155: Main Motor Replacement

    Rev. 10/20/93 7.4 MAIN MOTOR REPLACEMENT 37.8±0.1 mm When the pulley is installed onto the main motor shaft, refer to the above illustration for the position of the pulley. 5-29 C217...

  • Page 156: Ink Pump Plunger Position Adjustment

    4. Loosen the two screws securing the bearing [D]. (Do not remove the bearing.) 5. By turning the gear [E] manually, move the plunger until it reaches the bottom. 6. While holding the bearing [D] with your fingers, re-tighten the two screws. 7. Reinstall the E-ring [B]. C217 5-30...

  • Page 157: Drum Unit Removal

    [B]. (The rib [C] of the drum drive pulley will meet the long hole [D].) (Refer to page 5-32 for drum caution.) 5-31 C217...
  • Page 158 [A] and feed jam timing sensor [B] (1 screw and connector each). 6. Remove the front printing pressure spring. 7. Disconnect the connector [C] from the main PCB. 8. Remove the front drum shaft fixing plate [D] (2 screws). C217 5-32...
  • Page 159 Place the projection on the front drum shaft fixing plate in the hole within the frame before tightening the screws. 9. Remove the rear drum shaft fixing plate [B]. 10. Pull out the ink supply nozzle [C]. 5-33 C217...
  • Page 160 2) Do not touch the front drum flange against the sensors to avoid any damage. 3) Do not deform the sensor actuator that is mounted on the edge of the front drum flange. 4) Do not scratch the drum surface. C217 5-34...

  • Page 161: Drum Screen Removal

    (The two strips of mylar are to prevent ink from leaking from the trailing edge of the master that wraps around the drum.) 5. Remove the front screen holder [C] (2 screws), then remove the drum screen. 5-35 C217...

  • Page 162: Ink Roller Unit Removal

    3) Use a cloth damped with water to clean the inside of the clamping plate [C]. Never use alcohol or other solvents. The clamping force by magnet may be weakened. C217 5-36...
  • Page 163 (The two holes [B] on the trailing side are round holes and the other holes are long holes to allow for the removal of the slack.) 6. Remove the front and rear drum flanges [C]. 5-37 C217...

  • Page 164: Paper Delivery Section

    NOTE: The exit pawls move apart from the drum surface only when the drum master clamper passes the exit pawls. 3. Remove the front cover (4 screws) and swing out the power supply PCB (2 screws and 4 connectors). 4. Remove the air knife chamber (2 screws). C217 5-38...
  • Page 165 [D]. This adjustment should be done only when the clearances for the two exit pawls are different from each other. Normally this is adjusted during production. Adjust the clearance by following steps 1 to 6 above. 5-39 C217...

  • Page 166: Exit Pawl Drive Timing Adjustment

    3. Open the scanner unit. By referring to the rear end of the drum shaft, turn the drum manually until the round part of the shaft faces the long hole as shown [A]. (The rib [B] of the drum drive pulley will meet the long hole [C].) C217 5-40...
  • Page 167 6. If the gap is not correct, loosen the two screws and adjust the cam follower position [A]. CAUTION: Do not push the cam followers to strongly against the cam. 7. After adjustment, turn the drum manually and be sure that the exit pawls move properly to escape the drum master clamper. 5-41 C217...

  • Page 168: Exit Roller And Exit Pawl Removal

    5. Slide the exit pawl assemblies [E] to the middle of the shaft, which is the the thinnest area, for removal. CAUTION: Do not disassemble the exit pawl assembly. If it is disassembled, the clearance between the exit pawl and the drum must be checked after reinstallation. C217 5-42...

  • Page 169: Optics Section

    Scanning Scanning Focus (MTF) Magnification Check Item Line Position Start Position Ratio Adjustment Item White Level Scanning Line Position Scanning Start Position Focus (MTF) Magnification Ratio * Necessary Tools 1) Facsimile Test Chart R-21 (P/N 99992131) 2) Oscilloscope 5-43 C217...

  • Page 170: Preparation For Adjustment

    The marks are to correctly place the test chart so that the CCD scans 216 mm of the line on the test chart. C217 5-44...
  • Page 171 6. Select the time range and volts/division for each channel of the oscilloscope as shown in Table 2. Then turn on the main switch of the oscilloscope. NOTE: Select DC 0.5 V/DIV. for channel 2 when the white level adjustment is carried out. 5-45 C217...
  • Page 172 1) Position the CCD PCB fully on the operation side. 2) Fully insert the lens into the lens housing. Also, be sure that the white mark on the lens faces to the top. 3) Move the lens housing fully to the exposure lamp side. C217 5-46...
  • Page 173 [B]. Also, the right side edge should be even with the edge of the cutout for the exposure glass [A]. If you use the test chart, the waveform for each adjustment that can be seen in the screen of an oscilloscope will be represented as follows: 5-47 C217...
  • Page 174 (1) Scanning Line Position Adjustment Scanning Line Trigger CCD Video Data Scanned Image (2) Scanning Line Start Position Adjustment Scanning Line Trigger CCD Video Data Scanned Image (3) Magnification Ratio Adjustment Scanning Line Trigger CCD Video Data 40±5 µsec Scanned Image C217 5-48...

  • Page 175: Scanning Start And Line Position Adjustment

    2. Fix the test chart with tape as shown. Then close the ADF. 3. Place a white sheet [C] beside the test chart. 4. Close the ADF. 5. Access the exposure lamp on mode and press the Print Start key to turn on the exposure lamp. 5-49 C217...
  • Page 176 2) If the CCD scanning line is completely out of the correct position, a similar waveform will be seen. If the waveform does not change when white paper is placed on the exposure glass instead of the test chart, repeat step 7. C217 5-50...
  • Page 177 CCD effective element. 12. Securely tighten the screws [C] inside the adjusting knobs. NOTE: The CCD position may be changed when the screws are tightened. Repeat steps 6 and 7 to check the CCD position. 5-51 C217...

  • Page 178: Focus (Modulation Transfer Function) Adjustment

    4. Loosen the two screws [A] and then move the lens as shown. 5. Secure the lens when "a" of the waveform reaches its maximum. CAUTION: Be sure that the white mark on the lens always faces towards the top. C217 5-52...

  • Page 179: Magnification Ratio Adjustment

    2. Fix the test chart with tape as shown. Then close the ADF. 3. Place a white sheet [C] beside the test chart. 4. Access the exposure lamp on mode and press the Print Start key to turn on the exposure lamp. 5-53 C217...
  • Page 180 10. Be sure that the waveform for the first part of the CCD main scanning line is as shown [C]. 11. If not, follow steps 10 to 12 of "9.1.2 Scanning Start And Line Position Adjustment." Then repeat steps 8 to 10 above. C217 5-54...

  • Page 181: White Level Adjustment

    4. Access the exposure lamp on mode and press the Print Start key to turn on the exposure lamp. 5. Turn VR201 on the A/D conversion PCB so that the maximum level of the waveform is 1.9±0.1 volts as shown. 5-55 C217...

  • Page 183: Troubleshooting

    TROUBLESHOOTING...

  • Page 185: Electrical Component Trouble

    After the master feed operation is finished, "C" (Not activated) light. ON condition When the print start key or the master making key (Activated) is pressed, "G" and light. Exit Sensor OFF condition After the first paper is delivered, "E" and (Not activated) light. C217...
  • Page 186 "E-01" is displayed. ON condition Master clamper is not opened or closed. (A (Activated) master feed/eject jam occurs.) Master Clamper Switch OFF condition When the main switch is turned on, or the master (Not activated) clamper is opened, "E-00" is displayed. C217...

  • Page 187: 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. C217...
  • Page 188 Make prints in Test Pattern mode and check the image. Does the same problem still occur with the test pattern? The CCD PCB, A/D conversion PCB or main PCB is defective. The thermal head or main PCB is defective. C217...

  • Page 189: Paper Feed Trouble

    Check the paper feed clutch and the one-way clutch inside the paper feed roller. Does the power supply PCB applies +24 V to the main PCB? Replace the power supply PCB. Check the main board, harnesses, and the feed jam timing sensor. C217...
  • Page 190 5-31. Is the pressure release solenoid energized? Replace the main PCB. Check the pressure release solenoid, press roller lock lever clearance and the printing pressure mechanism. C217...

  • Page 191: Installation Guide

    PCRIP-10 Priport Controller Installation Guide C217...
  • Page 192 This page intentionally left blank. C217...

  • Page 193: Introduction

    7.2 SYSTEM REQUIREMENTS Supported Priports: - Models VT1730 and VT2105 Compatible computers: - IBM 286, 386, 486 and compatible PC’s - Apple Macintosh Memory requirements: The Priport Controller places no requirements on the RAM in the PC or Macintosh. C217...

  • Page 194: Installation Procedure

    4. Note the placement of pin 1 of the EPROM, IC108 before removing from the Main Control Board [A] of the Priport. Refer to figure 1. Ribbon Cable Main Control Stud CN105 IC108 EPROM Interface Bracket [D] Interface Harness M4 x 8 Screw FIGURE 1: FRONT VIEW OF FRAME WITH MOUNTING HARDWARE C217...
  • Page 195 8. Remove and discard the mounting screw (not shown) from lower right corner of the Main Control Board. Refer to figure 2. Interface PCB M3 x 8 Screws Cable Tie Board Spacer M3 x 8 Screws M3 x 35 Screws FIGURE 2: FRONT VIEW OF FRAME WITH INTERFACE PCB C217...
  • Page 196 16. Attach the small connector of the Interface Harness to the Video Interface PCB, CN101. 17. Attach the U-shaped bracket of the Interface Harness across the cable channel of the chassis, use two M4x8 screws with flat washers. Refer to figure 3. C217...

  • Page 197: Parts Listing

    Interface Harness with Mounting Bracket Video Interface PCB Phillips Screw M4x8 with flat washer Phillips Screw M3x8 with flat washer Interface Bracket Long Stud Board Spacer Cable tie Ferritecore Diagnostic Plug * Optional Test Tool, Refer to Section 7.6, Step 8. C217...

  • Page 198: Cabling Between Pcrip-10 And Computer

    3. Attach the other end (36-pin Centronics Male) of a standard PC parallel printer cable to the input port on the rear of the PCRIP-10 labeled "Parallel In". AppleTalk Parallel In Digital Duplicator Priport Personal Computer Diagnostic Serial In Figure A - Parallel Connection C217...

  • Page 199: Ibm And Compatibles - Serial

    3. Attach the other end (8-pin mini din Male) of a standard Macintosh printer cable to the input port on the rear of the PCRIP-10 labeled "AppleTalk". AppleTalk Parallel In Digital Duplicator Priport Macintosh Diagnostic Serial In Figure C - AppleTalk Connection C217...

  • Page 200: System Verification And Default Configuration

    On Line for the Priport to accept input from the computer through the PCRIP-10. (If the Priport is not On Line, the scanner in the Priport will be enabled instead.) If the green On Line light comes on, skip to Step 8. C217 7-10...
  • Page 201 PCRIP-10 unit.) Now that you have verified that the PCRIP-10 can successfully send files to the Priport, you are ready to proceed with configuring the PCRIP-10. Turn to page 7-23 of the User’s Guide to continue. 7-11 C217...

  • Page 202: Cable Pin-Out Diagrams

    +5 VDC (Output) ....35 +5 VDC (Output) ....18 NC........36 The dash (-) before some signals indicates that the signal is negative true (active LOW). GND means the connection is a ground. NC indicates that the pin has no connection. C217 7-12...

  • Page 203: D. Serial Interface Cable, Pin Assignments

    Received data by the Controller (Input) ..........3 Request to send (Output)..............4 Clear to send (Input) ................5 Data set ready (Input) ................ 6 Signal ground ..................7 (Not Used)..................8 Data terminal ready (Output) ............20 7-13 C217...

  • Page 204: Ram Upgrade Procedure

    2. Slide the metal chassis of the controller from its plastic housing. 3. Remove the 3 screws from each side and 2 screws from the backpanel which hold the chassis lid in place. 4. Remove the chassis lid and set it aside. C217 7-14...
  • Page 205 SIMM. When correctly inserted, the SIMM should be firmly seated in the socket. 12. Repeat Steps 10 and 11 for each on the remaining SIMMs, each time moving to the next socket closer to you. 7-15 C217...
  • Page 206 Intel CF processor in the PCRIP-10 and can not be used! Check that all the newly installed SIMMs are 4 Megabyte X 8 (or 9) and that you have not accidently reinstalled one of the 1 Megabyte X 9 SIMMs you removed. C217 7-16...
  • Page 207 20. Slide the metal chassis back into the plastic housing. Be careful to line up the two LED’s on the front of the chassis with the holes cut in the front panel of the plastic housing for them. 7-17 C217...
  • Page 208 This page intentionally left blank C217 7-18...

  • Page 209: Priport Controller User's Guide

    Priport Controller User’s Guide 7-19 C217...
  • Page 210 This page intentionally left blank C217 7-20...

  • Page 211: Regulatory Notices

    Changes or modifications not expressly approved by Elesys, Inc. could void the user’s authority to operate the equipment. 7.10TRADEMARKS © 1990 Elesys, Inc. All rights reserved. Elesys is a registered trademark of Elesys, Inc. Governmental rights to this product are restricted. See license agreement. 7-21 C217...
  • Page 212 Hewlett-Packard, LaserJet and PCL-5 by Hewlett-Packard Company, IBM by International Business Machines Corp., Apple, Macintosh, LaserWriter and AppleTalk by Apple Computer, Inc., Intellifont by Agfa Corp. Product names mentioned herein may be trademarks and/or registered trademarks of their respective companies. C217 7-22...

  • Page 213: Hardware Installation

    Parallel Connection AppleTalk Parallel In Digital Duplicator Priport Personal Computer Diagnostic Serial In Serial Connection AppleTalk Parallel In Digital Duplicator Priport Personal Computer Diagnostic Serial In AppleTalk Connection AppleTalk Parallel In Digital Duplicator Priport Macintosh Diagnostic Serial In 7-23 C217...

  • Page 214: Priport Controller Configuration

    If you have the Controller connected to your IBM PC or compatible output port labeled LPT1 and you wish to output in PostScript mode with the default page size listed above, you will not need to use this program to make any configuration changes from the factory settings. C217 7-24...
  • Page 215 2400, Com Port Baud Rate 4800, Com Port Baud Rate 9600 and Com Port Baud Rate 19.2K. This selection will tell the Controller what speed to expect data from your computer. Most serial port users should select "Com Port Baud Rate 19.2K". 7-25 C217...
  • Page 216 Use the right or left arrow to highlight the "Install" pull-down menu and <ENTER>. Use the down arrow key to select "Save Configuration Changes" and <ENTER>. You can change and save the configuration settings of the Controller as often as you wish. C217 7-26...
  • Page 217 "Disable Formfeed between Jobs" and turn it back on with "Enable Formfeed between Jobs". This menu also provides an advanced PostScript feature called "Executive Mode" which allows direct entry of PostScript programming commands from the keyboard of the computer. 7-27 C217...

  • Page 218: Configutation Of Macintosh Computers

    Open. (While the file is being sent, AppleTalk will display a printer status report. When the file has been successfully received by the Controller, the following message will be displayed "The download was successful".) C217 7-28...

  • Page 219: Application Software Set-Up

    Within the Chooser left-hand dialog box, point and click on LaserWriter. (The Macintosh will then poll the AppleTalk network and return the Priport name in the right-hand dialog box.) If it is not already selected, you should point and click on Priport now. 7-29 C217...

  • Page 220: Priport Controller Operation

    - At power on, the ready light remains off for a short time. - When ready light turns on, the Controller is ready for use. B. Ready Light--Slow Flash: - When a slow flash occurs, the Controller is processing the document. C. Ready Light--Quick Flash: C217 7-30...

  • Page 221: Commonly Asked Questions

    4. How many computers can you run from the Controller? - Three. One IBM or compatible connected to the parallel port, one IBM or compatible connected to the serial port, and one Apple Macintosh or Macintosh network connected to the AppleTalk port. 7-31 C217...
  • Page 222 (PostScript or PCL-5) and page size you wish to print. 11. Will the Controller work with Windows 3.1? - Yes, as long as you select the appropriate printer driver for the page size you need. C217 7-32...
  • Page 223 - No, the number of copies to be printed must be set from the Priport control panel. This was done intentionally so that you can check that the correct paper and ink are in the Priport before printing. 7-33 C217...

  • Page 224: Troubleshooting

    2. There is no master making at all. The Customer Engineer who installed the Controller should have tested both the connection between the Controller and the Priport, the connection between your computer and the Controller and the system as a whole. C217 7-34...
  • Page 225 5. Part of the document image I can see on my monitor is missing when it prints. - Verify that the page size and the page orientation (portrait or landscape) selected in the application software, the Controller configuration and the Priport all match. 7-35 C217...
  • Page 226 IBM PC. If so, the Macintosh will be locked out until the Controller is switched back to PostScript compatibility mode. - If only one Macintosh is connected to the Controller, contact your local sales/service organization for additional help. C217 7-36...

  • Page 227: Appendix A - Diagnostic Status Page

    7.19 APPENDIX A - DIAGNOSTIC STATUS PAGE 7-37 C217...
  • Page 228 This page intentionally left blank C217 7-38...

  • Page 229: Parts Catalog

    Harness Support Bracket 0313 0350B Philips Pan Head Screw - M3x8 0960 3008W Philps Flange Screw - M3x8 0960 4008W Philps Flange Screw - M3x8 C544 1600 Flat Cable - N810 1105 0042 Wire Band C203 2031 Main Board Spacer 7-39 C217...
  • Page 231 C225 SERVICE MANUAL...
  • Page 233 TABLE OF CONTENTS OVERALL MACHINE INFORMATION 1. SPECIFICATIONS ........1-1 2.
  • Page 234 1.4 MINIMUM SPACE REQUIREMENTS ....... . 3-4 2. INSTALLATION PROCEDURE ......3-5 SERVICE TABLES 1.

  • Page 236: Overall Machine Information

    OVERALL MACHINE INFORMATION...

  • Page 238: Specifications

    1. SPECIFICATIONS Configuration: Desk top Master Making Process: Digital Printing Process: Full automatic one-drum stencil system Image Mode: Line/Photo Original Type: Sheet ∼ 104.7 g/m (17.0 lb ∼ 27.9 lb) Original Weight: 64 g/m Original Size: Max: 216 mm x 356 mm (8 "...
  • Page 239 1 mm ± 1 mm (0.04" ± 0.04") Trailing Edge Margin: Paper Feed Table Capacity: 500 sheets (80 g/m , 20.0 lb) Paper Delivery Table Capacity: 500 sheets (80 g/m , 20.0 lb) Master Eject Box Capacity: More than 25 masters ADF Original Capacity: 6 sheets or a 0.6 mm height Weight:...
  • Page 240 Optional Equipment: Key Counter, Tape Dispenser, PCRIP-10 Controller with Interface Kit Type 2, Controller Support/Housing Assembly. Consumables: Name Size Remarks Thermal master Length: 125 m (410 ft)/roll 260 masters can be made per roll . Width: 240 mm (9.5") Storage Conditions: –10 ∼...

  • Page 241: Essential Differences Between The Vt1730 And The Vt1800

    2. ESSENTIAL DIFFERENCES BETWEEN THE VT1730 AND THE VT1800 Item Remarks Paper Delivery System The paper delivery system has been changed from a delivery roller system to a vacuum transport system. Due to this modification, 5 mm side margins are not required for originals.
  • Page 242 Item Remarks Exposure Glass Bracket To prevent the scanned original from being pushed out by the next original, the shape of the exposure glass bracket has been changed as shown below. Original Feed Spring To ensure proper feeding of thin paper, the angle of the Plate original feed spring plate has been changed.

  • Page 243: Printing Process

    3. PRINTING PROCESS 1. Master Ejecting: The machine will eject the used master which is wrapped around the drum into the master eject box. 2. Scanning: The machine will scan the original using the CCD, through the mirror and the lens, while feeding the original.

  • Page 244: Mechanical Component Layout

    4. MECHANICAL COMPONENT LAYOUT 7 8 9 10 1. Mirror 16. Friction Pad 2. Original Feed Roller 17. 2nd Feed Roller 3. Original Pressure Plate 18. Doctor Roller 4. Exposure Lamp 19. Press Roller 5. Exposure Glass 20. Ink Roller 6.

  • Page 245: Drive Layout

    5. DRIVE LAYOUT 1. Pump Drive Gear 10. Master Eject Motor 2. Ink Supply Motor 11. Master Clamper Motor 3. Platen Roller Gear 12. Master Clamper Drive Gear 4. Original Feed Motor 13. Transport Unit Drive Pulley 5. Original Pick-up Roller 14.

  • Page 246: Electrical Component Description

    6. ELECTRICAL COMPONENT DESCRIPTION Index No. Name Function Motors Master Feed Feeds the master to the drum. Master Eject Sends the used master into the master eject box. Main Drives the paper feed, drum, printing and paper delivery unit components. Vacuum Provides suction to ensure that the paper is held firmly onto the transport belt.
  • Page 247 Index No. Name Function Delivery Cover Open Checks if the delivery cover is open. Main Turns the power on or off. Master Eject Box Checks if the master eject box is installed correctly. Master Clamper Detects the master clamper open/close position.

  • Page 248: Electrical Component Layout

    7. ELECTRICAL COMPONENT LAYOUT 1-11 C225...

  • Page 250: Detailed Section Descriptions

    DETAILED SECTION DESCRIPTIONS...

  • Page 252: Paper Feed

    1. PAPER FEED 1.1 PAPER TABLE The paper table side fences [A] must be adjusted to match the paper size. To ensure correct paper positioning on the tray, the left and right side fences will move as a unit because of the rack and pinion [B]. When the dial [C] is turned, the side fences will move, changing the paper position on the table.

  • Page 253: Paper Delivery Section

    2. PAPER DELIVERY SECTION 2.1 OVERALL The exit pawl [A] and the air knife [B] are used to separate the paper from the drum. The paper is then transported to the delivery table by the transport unit [C]. The reflective photosensor [D] is used to detect paper exit jams. C225...

  • Page 254: Vacuum Unit Drive Mechanism

    2.2 VACUUM UNIT DRIVE MECHANISM The vacuum fan [A] will hold the separated paper against the transport belts [B] to deliver the paper to the delivery table. The transport belts are driven by the main motor through gears [C]. The exit sensor (reflective photosensor) [D], located on the vacuum unit, is used to detect paper exit jams.

  • Page 255: Image Processing

    3. IMAGE PROCESSING 3.1 IMAGE DENSITY SETTING The A/D conversion parameters (refer to page 2-43 of the VT1730 service manual) and thermal head energy changes depend on the image density selected on the operation panel. The table below illustrates the relationships between the image modes, parameters, and the thermal head energy.

  • Page 256: Master Plotting And Printing Area

    4. MASTER PLOTTING AND PRINTING AREA 1. Length (Legal Drum) Original Master Screen Paper (Shift : 0 mm) Paper (Shift : 15 mm) Paper (Shift : –15 mm) C225...
  • Page 257 2. Width Original Master Screen Paper C225...

  • Page 258: Timing Chart

    5. TIMING CHART TIMING CHART 3 (Master Cut/Trial Print) is identical to that of VT1730 5.1 MASTER EJECT (TIMING CHART 1) C225...

  • Page 259: Original Feed/Plotting (Timing Chart 2)

    5.2 ORIGINAL FEED/PLOTTING (TIMING CHART 2) C225...

  • Page 260: Installation

    INSTALLATION...

  • Page 262: Installation Requirements

    1. INSTALLATION REQUIREMENTS The installation location should be carefully chosen because the environmental conditions greatly affect the performance of the machine. 1.1 OPTIMUM ENVIRONMENTAL CONDITIONS Temperature — 10 to 30°C On a strong and level base. (50 to 86°F) Humidity — 20 to 90 % RH The machine must be level within 5 mm (13/64") both front to rear...

  • Page 263: Environments To Avoid

    1.2 ENVIRONMENTS TO AVOID Locations exposed to direct Dusty areas. sunlight or strong light (more than 1,500 lux). Areas with corrosive gases. Locations directly exposed to cool air from an air conditioner or reflected heat from a space heater. (Sudden temperature changes from low to high or vice versa may cause condensation within the machine.)

  • Page 264: Power Connection

    1.3 POWER CONNECTION Securely connect the power cord Voltage must not fluctuate more to a power source. than 10%. Ensure that the wall outlet is near the machine and easily accessible. Ensure the plug is firmly inserted in the outlet. Avoid multiwiring.

  • Page 265: Minimum Space Requirements

    1.4 MINIMUM SPACE REQUIREMENTS Place the machine near a power source, providing clearance as shown below. 10 cm (4.0") Paper Paper 61 cm Feed Delivery (24.0") Table Table More than 70 cm (27.6") More than More than 60 cm 105 cm (41.3") 60 cm (23.7") (23.7")
  • Page 266 2. INSTALLATION PROCEDURE 1. Ensure that all the accessories listed below are received. (1) Master Spool............2 (2) Paper Feed Side Pad ........2 (3) Operating Instructions - English.......1 (4) NECR ..............1 C225...
  • Page 267 2. Place the machine on a strong and level base. NOTE: Use a sturdy desk, or something similar. The machine must be level within 5 mm (0.2") both front to rear and left to right. 3. Remove all of the tape and string used to secure the covers and units. Refer to the illustration above.
  • Page 268 7. Load paper as follows: a. Open the paper feed table. b. Press down the feed roller pressure lever. c. Place the paper on the paper feed table. d. Adjust the paper feed side plates to match the paper size. e.
  • Page 269 8. Open the paper delivery table. A. Move side plates to match the print paper size. B. Move the end fence to match the print paper size. 9. Install the master roll as follows: a. Insert both spools into the new master roll.
  • Page 270 e. Insert the leading edge of the master roll under the platen roller. Then rotate the master roll counter clockwise. f. Return the pressure release lever to its original position. g. Turn on the main switch. h. Press the master cut button to cut the leading edge of the master roll.
  • Page 271 10. Install the ink cartridge as follows: a. Open the ink cover. b. Press down the release lever (green tab [A]). Then pull out the ink cartridge holder. c. Remove the ink cap and install the ink cartridge as shown in the illustration.

  • Page 272: Service Tables

    SERVICE TABLES...

  • Page 274: Maintenance Table

    1. MAINTENANCE TABLE The following items should be maintained periodically. There are two sets of intervals - one based on time and the other based on the print count. For maintenance items with entries in both columns, use whichever occurs first. C: Clean R: Replace L: Lubricate A: Adjust...
  • Page 275 Time Print Counter Interval NOTE Item 6M 1Y 2Y 3Y 300K 600K 1M 1.2M 2M Others Timing Belt Tension Press Roller Lock Lever Position C225...

  • Page 276: Lubrication Points

    2. LUBRICATION POINTS 2.1 FEED ROLLER BUSHINGS Lubricant: Motor Oil (SAE 30) C225...

  • Page 277: Transport Unit Drive Gear Bearing

    2.2 TRANSPORT UNIT DRIVE GEAR BEARING Lubricant: Motor Oil (SAE 30) 2.3 TRANSPORT UNIT GEARS Lubricant: Grease (Albania #2) C225...

  • Page 278: Drum Drive Gears And Cam

    2.4 FEED ROLLER DRIVE GEARS Lubricant: Grease (Albania #2) 2.5 DRUM DRIVE GEARS AND CAM Lubricant: Grease (Albania #2) C225...

  • Page 279: Drum Flange Bushing

    2.6 DRUM FLANGE BUSHING Lubricant: Motor Oil (SAE 30) C225...

  • Page 280: Special Operation Modes

    3. SPECIAL OPERATION MODES 3.1 SKIP FEED MODE The operator can select the number of rotations of the drum between each print cycle by the following procedure. The image will be darker and ink consumption will be increased. • Hold down the Clear key and Stop key and select the number of rotations of the drum before the sheet of paper is fed, use the Number keys (1 to 9).

  • Page 281: Input/Output Check Mode

    4. INPUT/OUTPUT CHECK MODE The electrical components of the machine can be checked with this service program. The input check mode will check the sensors and switches. The output check mode will allow the technician to manually activate the electrical devices, such as motors and solenoids. 4.1 ACCESS PROCEDURE 1.

  • Page 282: Input Check Mode

    4.3 INPUT CHECK MODE By entering a number listed below, the input level of each electrical device can be checked. Depending on the device’s condition, the beeper will sound and the machine status indicators will light. Device Conditions when the beeper will sound Feed Start Timing Sensor The sensor is actuated Feed Jam Timing Sensor...

  • Page 283: Output Check Mode

    4.4 OUTPUT CHECK MODE You can individually turn on each of the electrical device listed below . The procedure is as follows: 1. Select the output check mode. Refer to page 4-8. 2. Enter the number of the device to be tested. 3.
  • Page 284 Device/Function Note Pressure Plate Motor * The motor will move the pressure plate towards to (To the Compression Position) the master compression position. The motor will stop when the full master box sensor is actuated. 19 Air Knife Motor * 20 Vacuum Motor 21 Operation Panel Indicators Turns on all of the indicators on the operation panel.

  • Page 285: Service Tables

    5. SERVICE TABLES 5.1 TEST POINT TABLE Main PCB Usage TP101 –12 V TP102 Ink Level (Standard Pulse) TP103 Ink Level (Detection Pulse) TP104 GND–b TP105 +12 V TP106 +24 V TP107 4MHz Clock TP108 +38 V TP109 +5 V TP110 GND–a TP111...

  • Page 286: Dip Switch Table

    5.3 DIP SWITCH TABLE Main PCB DPS 101 Outputs a Test Pattern Dither Matrix (Screw Pattern) Dither Matrix (Bayer Pattern) Dither Matrix (8 x 8 Pattern) Dither Matrix (6 x 6 Pattern) Dither Matrix (4 x 4 Pattern) Normal Edge Emphasis in Photo Mode Normal Enable Data Noise Filter Production Use Only...

  • Page 287: Led Table

    DPS 103 Vertical Magnification +1.75% +1.25 +0.75 0 (Factory Setting) –0.75 –1.25 –1.75 –2.25 DPS103 Description Trailing Edge Erase Margin Adjustment +1mm +2 mm +3 mm –1mm DPS 103 Normal Enable Key Counter Operation LG version A4 version Normal Print and master counters do not change. 5.4 LED TABLE Main PCB LED #...
  • Page 288 TECHNICAL SERVICE BULLETINS...
  • Page 290 APPLICABLE MODEL: VT1730 SUBJECT: PARTS CATALOG UPDATE GENERAL: The following Parts Updates are being issued to update all Ricoh VT1730 Parts Catalogs. This informa tion should be incorporated into all existing Ricoh VT1730 Parts Catalog documentation. • • UPDATE NO. 1 - FRICTION PAD - To facilitate servicing, the friction guide plate has been added to the friction pad assembly.
  • Page 291 Tech Service Bulletin No. VT1730-001 Page 2 of 2 • • UPDATE NO. 2 - MASTER EJECT SENSOR - To insure that the master eject sensor does not fail to detect a properly transported master, a cutout [A] has been added to the eject unit guide plate and the length of the sensor actuator has been increased as shown below.
  • Page 292 BULLETIN NUMBER: VT1730-002 10/20/93 APPLICABLE MODEL: VT1730 SUBJECT: FIELD SERVICE MANUAL - INSERT GENERAL: The Field Service Manual page(s) listed below must be replaced with the page(s) supplied. Each bulle tin package contains 2 sets of replacement pages. PAGES: ⇒ The revised areas have been highlighted by an arrow.
  • Page 293 BULLETIN NUMBER: VT1730-003 10/20/93 APPLICABLE MODEL: VT1730 SUBJECT: ANTISTATIC BRUSH SYMPTOM: Master feed jams. CAUSE: The Antistatic Brush [A] interferes with master transportation. SOLUTION: In the field it is difficult to correctly position the Antistatic Brush [A] on the Inner Cover [B], the two parts have been combined into the Antistatic Brush Assembly [C].
  • Page 294 BULLETIN NUMBER: VT1730-004 10/20/93 APPLICABLE MODEL: VT1730 SUBJECT: PARTS CATALOG UPDATES GENERAL: The following VT1730 parts updates should be incorporated into all existing VT1730 Parts Catalog documentation. • • UPDATE NO. 1 - ADF FRICTION PAD - The following modifications will ensure smooth original feed while preventing stream feeding of the 1st and 2nd originals: 1.
  • Page 295 Tech Service Bulletin No. VT1730-004 Page 2 of 5 REFERENCE OLD PART NO. NEW PART NO. DESCRIPTION PAGE ITEM C2173014 Separation Spring Plate C2173027 ADF Friction Pad Assembly C2173068 Original Guide Mylar - 33 x 15 19 * * DENOTES NEW ITEM UNITS AFFECTED: All VT1730 Priports manufactured after Serial Number C3223060001 will have the style ADF Friction Pa d Assembly and Original Guide Mylars installed during production.
  • Page 296 Tech Service Bulletin No. VT1730-004 Page 3 of 5 UNITS AFFECTED: All VT1730 Priports manufactured after Serial Number C3223050001 will have the noise reduction modifications installed during production. UPDATE NO. 3 - MAIN PCB - To extend the range of the original registration sensor adjustment a variable resistor on the main board has been changed from 200 Ω...
  • Page 297 Tech Service Bulletin No. VT1730-004 Page 4 of 5 Air Knife Blower Motor REFERENCE OLD PART NEW PART DESCRIPTION PAGE ITEM C2178425 C2178424 Blower - DC 38V 20W 07074025 Bushing - 4 x 2.5 109 * 09513006W Philips Screw with Flat Washer M3 x 6 09513008W Philips Screw with Flat Washer M3 x 8 110 *...
  • Page 298 Tech Service Bulletin No. VT1730-004 Page 5 of 5 2. Correct index number 36 on page 30 as shown below. 3. Delete the following item. REFERENCE PART NUMBER DESCRIPTION QTY USED PAGE ITEM 55066549 Spring Etching Clutch 4. Add the following items. REFERENCE PART NUMBER DESCRIPTION...
  • Page 299 BULLETIN NUMBER: VT1730-005 10/20/93 APPLICABLE MODEL: VT1730 SUBJECT: PAPER FEED PRESSURE SYMPTOM: Paper misfeeds occur when 500 sheets of standard paper are placed on the paper table. CAUSE: Insufficient paper feed roller pressure. TEMPORARY COUNTERMEASURE: Advise Key Operators to change the position of the pressure adjustment levers, as shown below, to in crease paper feed pressure.
  • Page 300 BULLETIN NUMBER: VT1730-006 03/22/94 APPLICABLE MODEL: VT1730 SUBJECT: MASTER CLAMPER CAM SYMPTOM: The master is creased around the drum. CAUSE: Insufficient pressure applied to the tension roller. SOLUTION: The tension of the two springs (Lock Springs) that apply pressure to the tension roller has been inc reased. Due to the increased spring tension, the shape of the Clamper Cam has been changed to ensure the mas ter clamper opens properly.
  • Page 301 BULLETIN NUMBER: VT1730-007 04/04/94 APPLICABLE MODEL: VT1730 SUBJECT: PARTS CATALOG CORRECTION GENERAL: Please correct your parts catalog as follows: 1. Part number correction REFERENCE INCORRECT PART CORRECT PART DESCRIPTION PAGE ITEM NUMBER NUMBER 54032075 50700346 Stepped Screw 2. Parts not listed This illustration is found on page 36 REFERENCE...
  • Page 302 BULLETIN NUMBER: VT1730-008 04/15/94 APPLICABLE MODEL: VT1730 SUBJECT: PARTS CATALOG UPDATES GENERAL: The following Parts Updates are being issued for all VT1730 Parts Catalogs. This information should be incorporated into all existing VT1730 Parts Catalog documentation. • • UPDATE NO. 1 - NON-REFLECTIVE SHEET - External light may signal a false misfeed at the exit sensor as shown below.
  • Page 303 Tech Service Bulletin No. VT1730-008 Page 2 of 2 • • UPDATE NO. 2 - MASTER GUIDE MYLAR - There are two positions for the thermal head release lever: one is to set the master and the other is to remove the platen roller. If an operator mistakenly uses the roller removal position for the master set, the leading edge of the master tends to hit the flexible master guide as shown below.
  • Page 304 BULLETIN NUMBER: 1730-009 05/24/94 APPLICABLE MODEL: VT1730 SUBJECT: PARTS CATALOG UPDATE GENERAL: To facilitate assembly, the ADF friction pad spacers [A] have been changed from two washers to a thi n rectangular plate [B]. The spacers [A] had been installed from the first production, although they w e re not listed in the parts catalog.
  • Page 305 BULLETIN NUMBER: VT1730-010 08/02/94 APPLICABLE MODEL: VT1730 SUBJECT: MASTER EJECT JAMS SYMPTOM: 1. Frequent master eject jams at location ‘‘F’’. 2. The master wraps around the upper and/or lower master eject rollers. 3. ‘‘F’’ jam cannot be reset because the actuator of the master eject sensor is caught under the pressure plate.
  • Page 306 Tech Service Bulletin No. VT1730-010 Page 2 of 2 FIELD COUNTERMEASURE: Guide Mylar - 15 X 33mm A mylar strip, the Guide Mylar - 15 x 33 mm has been registered as a service part. Install the mylar strips on the lead edge of the 4 ribs to cover the gap as shown.
  • Page 307 BULLETIN NUMBER: 1730-011 05/12/95 APPLICABLE MODEL: VT1730 SUBJECT: PARTS CATALOG UPDATES GENERAL: The following Parts Updates are being issued for all VT1730 Parts Catalogs. This information should be incorporated into all existing VT1730 Parts Catalog documentation. • • UPDATE NO. 1 - FEED PRESSURE SPRINGS - Paper misfeeds may occur when the Pressure Adjustment Levers are in the upper position (the weak paper feed pressure position) and 500 sheets of standard copy paper are set on the paper tray.
  • Page 308 Tech Service Bulletin No. 1730-011 Page 2 of 2 UPDATE NO. 2 - SIDE FENCE PAD CUSHION - To ensure that the Fence Pads fit securely on the Side Fences, the Cushion (C2175017) has been added to each Side Fence as shown below.
  • Page 309 BULLETIN NUMBER: 1730-012 05/12/95 APPLICABLE MODEL: VT1730 SUBJECT: PRESSURE PLATE HEIGHT POSITION SYMPTOM: Old Stop Position The trailing edge of the ejected master is caught by the lower eject rollers. CAUSE: The Pressure Plate stop position is too low. Ejected Master PRODUCTION COUNTERMEASURE: To allow the Pressure Plate to raise slightly higher before stopping, the feeler on the Pressure Plate, which is detected by the Pressure Plate...
  • Page 310 TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: VT1730/1800 - 013 02/21/96 APPLICABLE MODEL: VT1730 SUBJECT: MAIN BOARD ROM GENERAL: The ROM on the Main Board has been changed to enable the use of the PCRIP-10 Controller with the VT1730. This information should be incorporated into all existing VT1730 Parts Catalog documentation . NOTE: For machines which are not fitted with the PCRIP-10 Controller, the old and new ROMs are interchangeable.
  • Page 311 TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: VT1730/1800 - 014 02/21/96 APPLICABLE MODEL: VT1730/1800 SUBJECT: INK PUMP IMPROVEMENT Packing SYMPTOM: Not all of the ink is supplied from the ink cartridge. CAUSE: Valve The small ball, which is used as a valve, is not pushed back Spring Added properly.
  • Page 312 TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: VT1730/1800 - 015 03/29/96 APPLICABLE MODEL: VT1800 SUBJECT: FIELD SERVICE MANUAL - INSERT GENERAL: The Field Service Manual page(s) listed below must be replaced with the page(s) supplied. Each bull etin package contains 1 set of replacement pages. PAGES: ⇒...
  • Page 313 TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: VT1730/1800 - 016 04/05/96 APPLICABLE MODEL: VT1730 SUBJECT: PARTS CATALOG UPDATES GENERAL: The following Parts Updates are being issued for all VT1730 Parts Catalogs. This information should be incorporated into all existing Parts Catalog documentation. •...
  • Page 314 Tech Service Bulletin No. VT1730/1800 - 016 Page 2 of 6 • • UPDATE NO. 2 - MASTER EJECT MOTOR NOISE - To reduce noise from the master eject motor, the material of the pressure motor worm gear has been changed from a combination of metal and plastic to metal.
  • Page 315 Tech Service Bulletin No. VT1730/1800 - 016 Page 3 of 6 • • UPDATE NO. 3 - PARTS CATALOG UPDATE - Due to parts standardization, the following part changes have been made. Page 14 Cutter Unit Page 18 The position of the cutter unit has been shifted to the non-operation side by 3 mm.
  • Page 316 Tech Service Bulletin No. VT1730/1800 - 016 Page 4 of 6 Page 46 Step 4 has been added to instruct the operator to rotate the master roll back slightly before setting the platen roller. This is to prevent creasing of the master. Page 22 29 (correction) Deleted...
  • Page 317 Tech Service Bulletin No. VT1730/1800 - 016 Page 5 of 6 REFERENCE OLD PART NO. NEW PART NO. DESCRIPTION PAGE ITEM C2172611 C2172612 Scanner Cover C2172615 C2172616 ADF Cover C2173027 C2173028 ADF Friction Pad Ass’y C2175003 C2255002 Front Side Fence C2175004 C2255001 Rear Side Fence...
  • Page 318 Tech Service Bulletin No. VT1730/1800 - 016 Page 6 of 6 REFERENCE OLD PART NO. NEW PART NO. DESCRIPTION PAGE ITEM C2174802 C2174902 Drum Clamper Ass’y C2174544 C2174744 Clamper Magnet Plate C2174539 C2174639 Clamper Base C2174536 C2174636 Teflon Screen - LG C2174557 Spring C2174594...
  • Page 319 TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: VT1730/1800 - 017 06/28/96 APPLICABLE MODEL: VT1800 SUBJECT: FIELD SERVICE MANUAL - INSERT GENERAL: The Thermal Head Removal Procedures for the VT1730 and VT1800 have been updated. The Field Service Manual pages listed below must be replaced with the pages supplied. Each bulletin package contains 1 set of replacement pages.
  • Page 320 3.2 THERMAL HEAD REMOVAL For the VT1730 1. Turn "OFF" the main switch and disconnect the power plug. 2. Open the scanner unit. 3. Lift the platen roller release lever [A] up until it locks. Then, unhook the lock levers [B] on bot h ends of the platen roller and remove the platen roller.
  • Page 321 6. Unhook the lock pawl [A] on the front side of the thermal head (operation side) using a small slotte d screw driver. While doing this, remove the the thermal head. CAUTION: Be careful not to hit the thermal head surface against the plate above it. NOTE: There are two projections on the thermal head base, and they meet the holes behind the thermal head.
  • Page 322 For the VT1800 1. Turn off the main switch and disconnect the power plug. 2. Open the scanner unit. 3. Remove the platen roller cover [A]. 4. Lift the platen roller release lever [B] up until it locks. Then, unhook the lock levers and remo ve the platen roller [C].
  • Page 323 For VT1800s manufactured after For VT1800s manufactured before Serial Number C341604XXXX Serial Number C341604XXXX 7. Remove the guide plate [G]. 7. Remove the cutter unit [H]. 8. Remove the cutter unit [H]. 8. Remove the grounding screw [I] (below). 9. Remove the grounding screw [I]. 9.
  • Page 324 TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: VT1730/1800 - 018 10/15/96 APPLICABLE MODEL: VT1730/1800 SUBJECT: INK ON LEADING EDGE OF COPIES SYMPTOM: During a long printing run, ink appears at the leading edge of copies. At first, it is very hard to see, but it becomes more visible as the printing continues.

  • Page 325: Installation Instructions

    Tech Service Bulletin No. VT1730/1800 - 018 Page 2 of 2 Installation Instructions: • It is recommended to use: Teflon Tape - 19 mm: A0129112 • The position of the tape has been determined to maintain the specified 5 mm leading edge blank margin for copies.
  • Page 326 Field Engineering Bulletin Digital Duplicator Series BULLETIN NO. 3100-001 DATE 4/l 7196 Subject THERMAL HEAD REMOVAL PROCEDURE Model - Product I Serial Numbers Affected Modification Schedule: Mandatory Electrical 3100DNP Mechanical Safety Information Technical Information Install Time This bulletin is to inform you of the thermal head removal procedure, which is unique to the 3100DNP but is not been described in the service manual.
  • Page 327 THERMAL HEAD REMOVAL PROCEDURE CAUTION: IF the thermal head has been replaced with a new one, the input voltage must be readjusted. Follow the “THERMAL HEAD VOLTAGE ADJUSTMENT” section in the technical manual. Turn off the main switch and disconnect the power plug. Remove the plotter unit.
  • Page 328 PAGE: 3 of 7 1 , FEB #: -~ 3100-001 THERMAL HEAD REMOVAL PR-OCEDURE 5. Remove the thermal head cover [D], then remove the release lever 6. Remove the two springs [F]. 7. Remove the two guide plate [G]. 8. Remove the cutter unit [HI.
  • Page 329 FEB#: 3100-001 SUBJECT: THERMAL HEAD REMOVAL PROCEDURE Remove the grounding screw [I]. 10. Disconnect the connectors [J] from the thermal head. 11. While spreading the both side frames outward, unhook the pins on both sides of the thermal head bracket [K] and remove the bracket (with the thermal head). 12.
  • Page 330 FEB #: 3100-001 PAGE 5 of 7 SUBJECT: THERMAL HEAD REMOVAL PROCEDURE THERMAL HEAD REMOVAL PROCEDURE (New Procedure) CAUTION: IF the thermal head has been replaced with a new one, the input voltage must be readjusted. Follow the “THERMAL HEAD VOLTAGE ADJUSTMENT” section in the technical manual.
  • Page 331 FEB#: 3100-001 THERMAL HEAD REMOVAL PROCEDURE 5. Remove the thermal head cover [D], then remove the release lever [El. 6. Remove the two springs [F]. 7. Remove the cutter unit [HI.
  • Page 332 FEB #: 3100-001 S U B J E C T T H E R M A L H E A D R O C E D U R E Remove the grounding screw [I]. Disconnect the connectors [J] from the thermal head. IO.

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