Kodak Ektascan 1120 Service Manual
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Kodak Ektascan 1120 Service Manual

Kodak Ektascan 1120 Service Manual

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Publication No. SM3226-1
10FEB97
Supersedes SM3226-1
06/93
SERVICE MANUAL
for the
Kodak Ektascan 1120 LASER PRINTER
H129_0710AC
CUSTOMER EQUIPMENT SERVICES
© Eastman Kodak Company

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  • Page 1 Publication No. SM3226-1 10FEB97 Supersedes SM3226-1 06/93 SERVICE MANUAL for the Kodak Ektascan 1120 LASER PRINTER H129_0710AC CUSTOMER EQUIPMENT SERVICES © Eastman Kodak Company...
  • Page 2 Kodak’s negligence or other fault. This equipment includes parts and assemblies sensitive to damage from electrostatic discharge.

  • Page 3: Table Of Contents

    Table of Contents Description Page Service Requirements ........... . Safety.
  • Page 4 Calibration Errors ..........Using the Kodak Process Control DENSITOMETER as a Stand-alone DENSITOMETER .
  • Page 5 Sensors............. 5-70 Sucker Pad Height .
  • Page 6 SERVICE MANUAL –6 10FEB97 – SM3226-1...

  • Page 7: Description Page

    Service Requirements Section 1: Service Requirements Table of Contents Description Page Safety............. . Special Tools .

  • Page 8: Safety

    SERVICE MANUAL Safety Use the following figures to locate the LASER SAFETY LABELS on the LASER PRINTER. For your safety, warnings are also included in the adjustment and removal procedures. Warning When doing a removal procedure, de-energize the LASER PRINTER. LASER SAFETY LASER SAFETY LABELS...

  • Page 9: Special Tools

    Service Requirements Special Tools Table 1–1 Special Tools for the LASER PRINTER Part Number Description TL-3590 BNC TEE Epson NB3 PORTABLE COMPUTER Epson NB3 Power Adapter TL-4219 RS-232 Cable (9-25DB) TL-4238 RS-232 Null Modem Adapter TL-4368 DENSITOMETER X331 TL-4371 Tool Kit, PORTABLE COMPUTER Compartment and Tools * To be supplied before training class.
  • Page 10 SERVICE MANUAL Table 1–4 Miscellaneous Tools Part Number Description TL-1171 Magnifier Loop TL-2074 10X Probe TL-2094 Red Test Lead, banana to mini•grabber TL-2095 Black Test Lead, banana to mini•grabber TL-2431 Air Flow Meter TL-2579 IR Phosphor Probe TL-2887 Replacement Tip for 10X Probes TL-2963 IC Insertion/Extraction Tool TL-3348...

  • Page 11: Removals

    Removals Section 2: Removals Table of Contents Description Page Covers ............. Right, Left and Back Control Unit Covers.

  • Page 12: Covers

    SERVICE MANUAL Covers Right, Left and Back Control Unit Covers Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Loosen the 2 SCREWS for the COVER being removed by rotating each SCREW 90° counterclockwise. [3] Pull out on the top of the COVER and lift the bottom of the COVER to disengage it from the LASER PRINTER. [4] Remove the COVER.

  • Page 13: Right And Back Image Unit Covers

    Removals Right and Back Image Unit Covers SCREW (2) SCREW (2) Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. RIGHT [2] Loosen the 2 SCREWS for the COVER being IMAGE UNIT removed by rotating each SCREW 90° COVER counterclockwise. [3] Lift the bottom of the COVER to disengage it from the LASER PRINTER.

  • Page 14: Sequence Board Shield

    SERVICE MANUAL Sequence Board Shield Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the BACK IMAGE UNIT COVER. [3] Open the SEQUENCE BOARD SHIELD. SEQUENCE BOARD SHIELD H129_0601ACA H129_0601AC Supply Magazine Door, Receive Magazine Door and User Access Door USER ACCESS DOOR...

  • Page 15: Top Cover

    Removals Top Cover [1] Open the RECEIVE MAGAZINE DOOR and the USER ACCESS DOOR. COVER (a) Energize the LASER PRINTER. USER (b) Wait about 1 minute for the PRINTER to ACCESS complete a system self-check. DOOR Note RECEIVE If no magazines are present, proceed to Step (e). MAGAZINE (c) Press the MAGAZINE DOOR OPEN/ DOOR...

  • Page 16: Right Inside Cover

    SERVICE MANUAL Right Inside Cover [1] Remove the RIGHT CONTROL UNIT COVER. If necessary, see the procedure on Page 2–2. [2] Loosen the 14 SCREWS. [3] Lift and remove the RIGHT INSIDE COVER. RIGHT INSIDE COVER SCREW (14) H129_0603ACA H129_0603AC Left Inside Cover [1] Remove the LEFT CONTROL UNIT COVER.

  • Page 17: Circuit Boards

    [2] Remove the FRONT CONTROL UNIT COVER. If necessary, see the procedure on Page 2–2. Caution Possible damage from electrostatic discharge. [3] Loosen the 2 SCREWS of the Kodak Ektascan 1120 MEMORY BOARD/6MB or 20MB located in SLOT 2. [4] Remove the MEMORY BOARD/6MB or 20MB by sliding it forward. CARD...

  • Page 18: System Controller Board

    SERVICE MANUAL System Controller Board Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the FRONT CONTROL UNIT COVER. If necessary, see the procedure on Page 2–2. Caution Possible damage from electrostatic discharge. [3] Disconnect the CONNECTOR from the SYSTEM CONTROLLER BOARD.
  • Page 19 Removals Install EPROMS Caution Possible damage from electrostatic discharge. Use correct procedures and equipment to prevent damage. SYSTEM CONTROLLER BOARD J21 J22 J10 J11 EPROM EPROM SYS EVEN SYS ODD H129_1712DCE H129_1712DC [1] Move the 2 EPROMS from the existing SYSTEM CONTROLLER BOARD to the new SYSTEM CONTROLLER BOARD.

  • Page 20: Print Controller Board

    SERVICE MANUAL Print Controller Board Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the FRONT CONTROL UNIT COVER. If necessary, see the procedure on Page 2–2. Caution Possible damage from electrostatic discharge. [3] Disconnect the CONNECTOR from the PRINT CONTROLLER BOARD, located in SLOT 3 of the CARD RACK.
  • Page 21 Removals SWITCHES [6] When installing a new PRINT CONTROLLER BOARD, check the following SWITCHES: S1: Positions 1, 2, 3, 4, 6, and 8 are ON. S2: Position 2 is ON. S3: Position 7 is ON. PRINT CONTROLLER BOARD H129_1713DC SM3226-1 – 10FEB97 2–11...

  • Page 22: Driver Board

    SERVICE MANUAL Driver Board Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the BACK IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3. [3] Open the SEQUENCE BOARD SHIELD. SEQUENCE BOARD SHIELD H129_0601ACA H129_0601AC (FAN) SEQUENCE BOARD SLOW SCAN DRIVE (SSD) DRIVER BOARD (DRV)

  • Page 23: Jumpers

    Removals JUMPERS [4] When installing a new DRIVER BOARD, check that the following JUMPERS are installed in the normal position: SWITCHES [5] When installing a new DRIVER BOARD, check the following SWITCHES: DSW1: Position 1 is ON RSW1: Position 8 is ON RSW2: Position 8 is ON RSW3: Position 8 is ON DRIVER BOARD...

  • Page 24: The Replacement Of A Driver Board With A Universal Driver Board

    SERVICE MANUAL The Replacement of a Driver Board with a Universal Driver Board When there is a need for a replacement for the DRIVER BOARD, install a UNIVERSAL DRIVER BOARD 696120. Use the following table and figures to check for the correct JUMPER positions on the UNIVERSAL DRIVER BOARD.
  • Page 25 Removals UNIVERSAL DRIVER BOARD with DAUGHTER BOARD DAUGHTER BOARD P301 P302 H129_1726DCC H129_1726DC SM3226-1 – 10FEB97 2–15...
  • Page 26 SERVICE MANUAL UNIVERSAL DRIVER BOARD without DAUGHTER BOARD P301 P302 H129_1725DCA H129_1725DC 2–16 10FEB97 – SM3226-1...

  • Page 27: 2-Phase Pulse Motor Driver Boards (2Pmd)

    Removals 2-Phase Pulse Motor Driver Boards (2PMD) Installation Notes The LASER PRINTER has 2, 2-PHASE PULSE MOTOR DRIVER BOARDS (2PMD): • the BEAM SPLITTER BOARD (2PMD-B) • the SLIDE BASE MOTOR BOARD (2PMD-F) • When replacing the BEAM SPLITTER BOARD, remove the HEAT SINK. •...

  • Page 28: 5-Phase Pulse Motor Driver Boards (5Pmd)

    SERVICE MANUAL 5-Phase Pulse Motor Driver Boards (5PMD) The LASER PRINTER has 3, 5-PHASE PULSE MOTOR DRIVER BOARDS (5PMD): • the TRANSPORT ROLLER MOTOR BOARD (5PMD-T) • the RECEIVE ROLLER MOTOR BOARD (5PMD-R) • the SUPPLY ROLLER MOTOR BOARD (5PMD-S) Install JUMPERS [1] Check that the following JUMPERS are installed for each of the boards being installed: 1.

  • Page 29: Sequence Board

    Removals Sequence Board Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the BACK IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3 [3] Open the SEQUENCE BOARD SHIELD. SEQUENCE BOARD SHIELD H129_0601ACA H129_0601AC (FAN) SEQUENCE BOARD SLOW SCAN DRIVE (SSD) DRIVER BOARD (DRV)
  • Page 30 SERVICE MANUAL JUMPERS [4] Check JUMPER locations listed below with the board being replaced to ensure that no changes have been made. [5] When installing a new SEQUENCE BOARD, check that the following JUMPERS are installed: SJ1-1 to SJ1-2 SJ2-1 to SJ2-2 SJ3-1 to SJ3-2 SJ4-2 to SJ4-3 SJ5-2 to SJ5-3...
  • Page 31 Removals Install EPROMS Caution Possible damage from electrostatic discharge. Use correct procedures and equipment to prevent damage. [6] Move the 2 EPROMS from the existing SEQUENCE BOARD to the replacement SEQUENCE BOARD. Important When installing a new SEQUENCE BOARD, do the setup procedure on Page 4–22. SM3226-1 –...

  • Page 32: Slow Scan Motor Board

    SERVICE MANUAL Slow Scan Motor Board Warning Dangerous Voltage. Possible damage to eyes from invisible laser beam. [1] De-energize the LASER PRINTER. [2] Remove the BACK IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3. [3] Open the SLOW SCAN FAN ASSEMBLY. [4] Open the SLOW SCAN FAN ASSEMBLY COVER.

  • Page 33: Laser Diode Power Supply Board

    Removals Laser Diode Power Supply Board Note Use this procedure to remove the LASER DIODE POWER SUPPLY BOARD in printers with serial numbers between 500085 and 500200. [1] Remove the SUPPLY MAGAZINE OPEN/ CLOSE ASSEMBLY with separation unit. If necessary, see the procedure on Page 2–42. SUPPLY MAGAZINE OPEN/CLOSE...
  • Page 34 SERVICE MANUAL [2] Disconnect P/J801. [3] Remove the 6 SCREWS to remove the FAN/ POWER SUPPLY BRACKET. [4] Disconnect P/J450 and P/J470. [5] Remove the LASER DIODE POWER SUPPLY BOARD. [6] Install the new LASER DIODE POWER SUPPLY BOARD. [7] Install the FAN/POWER SUPPLY BRACKET connecting the GROUND WIRE with one of the SCREWS.

  • Page 35: Backplane Board

    Removals Backplane Board Use the following table when installing the CP Network Interface in the Kodak Ektascan Laser Printer, Model 1120. The JUMPERS that are listed below must be changed on the BACKPLANE BOARD. ≤S/N 500820 ≥S/N 500821 ≤S/N 600165 ≥S/N 600166...

  • Page 36: Control Unit Components

    SERVICE MANUAL Control Unit Components Exhaust Fans Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the BACK CONTROL UNIT COVER. If necessary, see the procedure on Page 2–2. [3] Loosen the 14 SCREWS to remove the BACK INSIDE COVER. [4] Disconnect J121.

  • Page 37: Intake Fans

    Removals Intake Fans BOARD RACK Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the FRONT, RIGHT and BACK CONTROL UNIT COVERS. See the procedures if necessary. [3] Remove the RIGHT and BACK INSIDE COVERS. See the procedures if necessary. [4] Disconnect the FAN CONNECTOR, J120.

  • Page 38: Main Power Supply

    SERVICE MANUAL Main Power Supply Warning Dangerous Voltage. MAIN POWER SUPPLY [1] De-energize the LASER PRINTER. BLACK WIRE [2] Remove the FRONT CONTROL UNIT COVER. WHITE WIRE If necessary, see the procedure on Page 2–2. Caution The GROUND WIRE must be replaced in the same configuration when the MAIN POWER SUPPLY is installed.

  • Page 39: Image Unit Components

    Removals Image Unit Components Optical Unit [1] Energize the LASER PRINTER. [2] Press the MAGAZINE DOOR OPEN/CLOSE SWITCH. USER [3] Open the RECEIVE MAGAZINE DOOR. ACCESS DOOR [4] Pull down the LATCH and open the USER SUPPLY ACCESS DOOR. MAGAZINE DOOR RECEIVE MAGAZINE...
  • Page 40 SERVICE MANUAL [10] Remove the FIBER OPTIC CABLE (a) For LASER PRINTERS with serial numbers 500024 - 500085, disconnect P/J402. P/J402 H129_2907BCA H129_2907BC (b) For LASER PRINTERS with serial numbers 500086 - 500200, disconnect P/J803 P/J803 H129_2906BCA H129_2906BC 2–30 10FEB97 – SM3226-1...
  • Page 41 Removals (c) For LASER PRINTERS with serial numbers 500201 and up, disconnect P/J461 P/J461 H129_2908BCA H129_2908BC [11] Loosen the 5 SCREWS to remove the OPTICAL UNIT COVER. [12] Disconnect J402 on the LASER DIODE CONTROL BOARD. LASER DIODE CONTROL BOARD J402 1 3 1 H129_1707BCB...
  • Page 42 SERVICE MANUAL Important If installing a new OPTICAL UNIT, do the following steps. [15] Energize the LASER PRINTER. MAIN MENU [16] Use the PORTABLE COMPUTER to display the 1 Monitor Mode 4 System Params CES Main Menu. 2 System Logs 5 Debug Utility 3 Boards Diag Enter Menu Item:...

  • Page 43: Optical Unit Components

    Removals Optical Unit Components Component Replacement Notes COVER Do not allow dust on the COVER to enter the OPTICAL UNIT. BEAM SPLITTER Remove the MOTOR from the BASE by removing the 4 SCREWS. MOTOR BEAM SPLITTER Remove the BEAM SPLITTER POSITION SENSOR by removing 2 SCREWS. POSITION SENSOR POLYGON MOTOR Place the PROTECTIVE COVER over the POLYGON before removing the unit.

  • Page 44: R Transportation Roller Assembly

    SERVICE MANUAL R Transportation Roller Assembly [1] Remove the OPTICAL UNIT, SLOW SCAN ASSEMBLY, OUTLET GUIDE PLATE ASSEMBLY and RECEIVE MAGAZINE OPEN/CLOSE ASSEMBLY. See the procedures in this section if necessary. [2] Loosen the 2 IDLER SPROCKET ASSEMBLY SCREWS. [3] Remove the ROLLER CHAIN from the ROLLER SHAFT. [4] Loosen the 4 SCREWS on the MOTOR BRACKET.

  • Page 45: S Transportation Roller Assembly

    Removals S Transportation Roller Assembly [1] Remove the LEFT IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3. [2] Remove the GUIDE PLATE and CONNECTOR J514. GUIDE PLATE J514 H129_0024ACB H129_0024AC [3] Loosen the 2 IDLER SPROCKET ASSEMBLY SCREWS. [4] Remove the ROLLER CHAIN from the ROLLER SHAFT.
  • Page 46 SERVICE MANUAL [7] Remove the 4 SCREWS and 2 BEARING RETAINERS. [8] Slide the ROLLER through the groove in the FRAME. ROLLER CHAIN ROLLER SHAFT H129_4222BCA H129_4222BC IDLER SPROCKET ASSEMBLY SCREWS SCREW (2) BEARING RETAINER (2) SCREW (4) MOTOR SPROCKET MOTOR CHAIN H129_4221BCA H129_4221BC...

  • Page 47: Outlet Guide Plate Assembly

    Removals Outlet Guide Plate Assembly [1] Open the RECEIVE MAGAZINE DOOR. [2] Pull down the LATCH and open the USER ACCESS DOOR. Warning Dangerous Voltage. Possible damage to eyes from invisible laser beam. [3] De-energize the LASER PRINTER. [4] Remove the TOP COVER. If necessary, see the procedure on Page 2–5. [5] Remove the RIGHT IMAGE UNIT COVER.
  • Page 48 SERVICE MANUAL [10] Mark the position of the GUIDE PLATE BRACKET on the FRAME. [11] Remove the 4 SCREWS. [12] Lift and slide the GUIDE PLATE out of the PRINTER. Important Do not allow the GUIDE PLATE to slide against the frame of the LASER PRINTER. GUIDE PLATE BRACKET GUIDE...

  • Page 49: Slow Scan And Encoder Assembly

    Removals Slow Scan and Encoder Assembly [1] Open the RECEIVE MAGAZINE DOOR. ENCODER ASSEMBLY [2] Pull down the LATCH and open the USER ACCESS DOOR. M4 SCREW Warning Dangerous Voltage. Possible damage to eyes from laser beam. [3] De-energize the LASER PRINTER. [4] Remove the TOP COVER.
  • Page 50 SERVICE MANUAL H129_0018BCC SLOW SCAN MOTOR CONNECTOR H129_0018BC [8] Loosen the 2 REGISTRATION PLATE SCREWS. [9] Rotate the REGISTRATION PLATE upward. [10] Install the 2 REGISTRATION PLATE SCREWS removed in Step 8 to hold the REGISTRATION PLATE in the up position. [11] Disconnect the SLOW SCAN MOTOR CONNECTOR.

  • Page 51: Slow Scan Assembly Components

    Removals Slow Scan Assembly Components Component Replacement Notes REGISTRATION PLATE GUIDE PLATE FREE ROLLER Do not drop the BEARINGS or scratch the ROLLER. LIGHT SHIELD PLATE Disconnect the CONNECTOR before removing the SENSOR. AND SLOW SCAN FILM SENSOR PINCH ROLLER •...

  • Page 52: Supply Magazine Open/Close Assembly With Separation Unit

    SERVICE MANUAL Supply Magazine Open/Close Assembly with Separation Unit [1] Remove the SUPPLY MAGAZINE. Warning Dangerous Voltage. Possible damage to eyes from invisible laser beam. SUPPLY MAGAZINE [2] De-energize the LASER PRINTER. OPEN/CLOSE [3] Remove the RIGHT IMAGE UNIT COVER. If ASSEMBLY necessary, see the procedure on Page 2–3.
  • Page 53 Removals Installation Notes: [7] Check that the SUCKER ASSEMBLY is in the up position before installing the SUPPLY MAGAZINE OPEN/ CLOSE ASSEMBLY with SEPARATION UNIT. SUPPLY MAGAZINE OPEN/CLOSE SUCKER ASSEMBLY ASSEMBLY H129_0014BCA GUIDE FLANGE H129_0014BC Note The GUIDE FLANGE on the SUPPLY MAGAZINE OPEN/CLOSE ASSEMBLY with SEPARATION UNIT slides into the LOWER SLOT of the BRACKET.

  • Page 54: Supply Magazine Open/Close Assembly Components

    SERVICE MANUAL Supply Magazine Open/Close Assembly Components Component Replacement Notes ELECTROMAGNETIC Remove the HOSE and CONNECTOR before the ELECTROMAGNETIC PUMP PUMP. ELECTROMAGNETIC VALVE SUCTION DETECTING MANIFOLD S-MAGAZINE • Make a mark to indicate the position of the SENSOR BRACKET on the WINDOW CLOSE FRAME before removing it.
  • Page 55 Removals SUPPLY MAGAZINE OPEN/CLOSE ASSEMBLY with SEPARATION ASSEMBLY GUIDE ROLLER S MAGAZINE WINDOW CLOSE SENSOR SUCTION PAD SEPARATION ARM SENSOR SLIDE BASE SEPARATING SOLENOID ASSEMBLY SEPARATION S-MAGAZINE WINDOW ARM SOLENOID OPEN/CLOSE MOTOR ELECTROMAGNETIC PUMP J331 J330 J334 FILM SEPARATION J333 SUCTION SLIDE BASE ELECTROMAGNETIC...

  • Page 56: Separation Assembly Components

    SERVICE MANUAL Separation Assembly Components Component Replacement Notes SLIDE BASE MOTOR SLIDE BASE SOLENOID SEPARATION ARM It is not necessary to remove the SEPARATION ASSEMBLY from the BASE SOLENOID PLATE to remove these components. FILM SUCTION SENSOR SLIDE BASE POSITION SENSOR GUIDE ROLLER Remove both GUIDE ROLLERS.
  • Page 57 Removals FILM SEPARATION UNIT S-MAGAZINE WINDOW CLOSE SENSOR SEPARATION ARM (PHS2) SENSOR (CHS2) S-MAGAZINE WINDOW OPEN/CLOSE MOTOR (MSM) SEPARATION SOLENOID (SL3) P/J 350 ELECTRO- MAGNETIC PUMP (MVP) SEPARATION SLIDE SLIDE BASE BASE MOTOR SOLENOID (PMF) (SL4) P/J 340 P/J 331 SLIDE ELECTRO- BASE...

  • Page 58: Receive Magazine Open/Close Assembly

    SERVICE MANUAL Receive Magazine Open/Close Assembly RECEIVE Warning MAGAZINE Dangerous Voltage. Possible damage to eyes from OPEN/CLOSE ASSEMBLY invisible laser beam. [1] Remove the TOP COVER. [2] Remove the OUTLET GUIDE PLATE ASSEMBLY. [3] Remove the RECEIVE MAGAZINE. [4] Disconnect the following from the RECEIVE MAGAZINE OPEN/CLOSE ASSEMBLY: J301 J304...

  • Page 59: R Magazine Storing Case

    Removals R Magazine Storing Case Note Use this procedure when replacing the SPRING. SPRING H129_0027ACA J440 H129_0027AC Warning • Dangerous Voltage. • Possible damage to eyes from invisible laser beam. • Wear protective eyewear. • Do not wear jewelry. [1] Do the removal procedures for the OUTLET GUIDE PLATE ASSEMBLY and RECEIVE MAGAZINE OPEN/CLOSE ASSEMBLY.
  • Page 60 SERVICE MANUAL Important Keep the washers for each GUIDE BLOCK with that GUIDE BLOCK. [5] Remove the 5 SCREWS to remove the RIGHT GUIDE BLOCK. [6] Remove the 3 SCREWS to remove the LEFT GUIDE BLOCK. [7] Rotate the CLAW forward and fasten it to the COVER with TAPE. SCREW (5) RIGHT GUIDE BLOCK CLAW...

  • Page 61: Locating Film Transportation Components

    Removals Locating Film Transportation Components The following figure shows the location of all the Film Transportation Components: TRANSPORT ROLLER RECEIVE MOTOR ROLLER MOTOR RECEIVE ROLLER POSITION SENSOR SUPPLY ROLLER MOTOR SUPPLY ROLLER POSITION H129_0028CCA SENSOR H129_0028CC SM3226-1 – 10FEB97 2–51...

  • Page 62: Receive Roller Motor

    SERVICE MANUAL Receive Roller Motor Warning Dangerous Voltage. Possible damage to eyes from invisible laser beam. [1] De-energize the LASER PRINTER. [2] Remove the TOP COVER of the IMAGE UNIT. If necessary, see the procedure on Page 2–5. [3] Clip the WIRE TIES and disconnect CN3. [4] Remove the 4 SCREWS fastening the MOTOR BRACKET to the FRAME.

  • Page 63: Transport Roller Motor

    Removals Transport Roller Motor Warning Dangerous Voltage. Possible damage to eyes from invisible laser beam. [1] De-energize the LASER PRINTER. [2] Remove the TOP COVER. If necessary, see the procedure on Page 2–5. [3] Disconnect CN3. Cut the WIRE TIES if necessary. [4] Remove the BACK IMAGE COVER.

  • Page 64: Supply Roller Motor

    SERVICE MANUAL Supply Roller Motor Warning Dangerous Voltage. Possible damage to eyes from invisible laser beam. [1] De-energize the LASER PRINTER. [2] Remove the BACK IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3. [3] Loosen the SCREW and open the SLOW SCAN FAN ASSEMBLY DOOR. [4] Disconnect CN3.

  • Page 65: Diagnostic Check Procedures

    Diagnostic Check Procedures Section 3: Diagnostic Check Procedures Table of Contents Description Page Setting up the Optical Power Meter ........Measuring the Laser Power .

  • Page 66: Setting Up The Optical Power Meter

    SERVICE MANUAL Setting up the Optical Power Meter After setting up the Optical Power Meter, the meter should look like the illustration shown above. Note The OPTICAL POWER METER function keys are set up to to operate in 2 modes. The [SHIFT] key changes the function of each key.
  • Page 67 Diagnostic Check Procedures [1] Connect the CALIBRATION MODULE to the BNC CONNECTOR on the OPTICAL METER PROBE. [2] Insert the PROBE with the CALIBRATION ATTENUATOR MODULE into the OPTICAL METER input. [3] Energize the OPTICAL POWER METER. [4] Press the [SHIFT] key to return to normal function mode if the OPTICAL POWER METER in in the shift function mode.

  • Page 68: Measuring The Laser Power

    SERVICE MANUAL Measuring the Laser Power If the film density appears to be out of specification and the processor and chemistry are functioning normally, use this procedure to check the laser power. Use this procedure to troubleshoot density variations by checking the original BEAM SPLITTER density value for D-MAX.
  • Page 69 Diagnostic Check Procedures Style A LASER DIODE CONTROL BOARD ROTARY SWITCHES H129_1719BCA H129_1719BC Style B LASER DIODE CONTROL BOARD H129_1728BCA H129_1728BC [6] Energize the LASER PRINTER. MAIN MENU [7] Use the PORTABLE COMPUTER to display the 1 Monitor Mode 4 System Params CES Main Menu.
  • Page 70 SERVICE MANUAL [8] Enter [1] for “Monitor Mode”. MONITOR MODE MENU 1 Motors 5 Sensors 2 Solenoids 6 Board Diag 3 Relay 7 Enter Commands 4 Miscellaneous 8 Set Beam-splitter Enter Menu Item: [9] Enter [7] for “Enter Commands”. Input ‘HLP’ to know commands. Note Enter command: •...
  • Page 71 Diagnostic Check Procedures [15] Compare the pulse count values displayed on the ALIGNMENT PORTABLE COMPUTER with the values on the VALUE LABEL ALIGNMENT VALUE LABEL. (a) Check the old pulse number for density setting 0 displayed on the PORTABLE COMPUTER. (b) Check the pulse number for the density setting 0 value on the ALIGNMENT VALUE LABEL located on the front of the...
  • Page 72 SERVICE MANUAL POLYGON MIRROR Insert PROBE here. H129_2900DCC H129_2900DC [17] Check that the laser is energized. Use a PHOSPHOR PROBE TL-2579 to locate the laser beam. Important Do not touch the POLYGON MIRROR. [18] If necessary, use a pencil tip to rotate the POLYGON MIRROR to locate the laser beam. [19] Set up the OPTICAL POWER METER.
  • Page 73 Diagnostic Check Procedures Important The laser power measurement obtained in the following step should be 1.49 mW ± .10 mW. Call TAC if this value is not obtained. [20] Insert the OPTICAL POWER METER PROBE in the laser beam path, and move the probe until the value displayed on the METER is maximum.

  • Page 74: Checking Vacuum Pressure

    SERVICE MANUAL Checking Vacuum Pressure Use this procedure to troubleshoot film transport problems related to film suction. [1] Install the PORTABLE COMPUTER. See “Using the Portable Computer” in the Diagnostic Section. [2] Remove the RIGHT IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3. [3] Remove the CAP.
  • Page 75 Diagnostic Check Procedures [7] Use the PORTABLE COMPUTER to display the MAIN MENU CES Main Menu. 1 Monitor Mode 4 System Params 2 System Logs 5 Debug Utility 3 Boards Diag Enter Menu Item: [8] Enter [1] for “Monitor Mode”. MONITOR MODE MENU 1 Motors 5 Sensors...
  • Page 76 SERVICE MANUAL (b) If the pressure is not correct, check the frequency of the ELECTRONIC PUMP. See the procedure on Page 5–6. Note The following steps are provided to complete the film transport cycle. [16] Enter [F] [D] [B] to move the film to the SUPPLY Enter command:FDB ROLLER.
  • Page 77 Diagnostic Check Procedures [26] Enter [R] [E] [C] to move the film to the error=0 RECEIVE MAGAZINE. Enter command: REC Film size? (0-3): [27] Enter the correct number corresponding to the size Film size? (0-3):X of the film loaded into the SUPPLY MAGAZINE. •...
  • Page 78 SERVICE MANUAL 3–14 10FEB97 – SM3226-1...

  • Page 79: Operation Adjustments

    Calibration Errors ........Using the Kodak Process Control DENSITOMETER as a Stand-alone DENSITOMETER .

  • Page 80: Calibration

    SERVICE MANUAL Calibration Overview Calibration is a method of ensuring consistent image appearance despite differences in film emulsions and variations in the chemistry for the processor. Calibration also provides consistent filmed images regardless of which PRINTER or processor is used. The LASER PRINTER can store 11 calibration settings.

  • Page 81: When To Calibrate

    Operation Adjustments When to Calibrate In general, the LASER PRINTER provides consistent output. For optimal quality assurance, however, it is suggested that the LASER PRINTER be calibrated when you change: • the film emulsion • the processing environment--for example, the chemistry or temperature of the processor •...

  • Page 82: Calibrating The Printer

    SERVICE MANUAL Calibrating the Printer The PRINTER can store up to 11 sets of 9 density values under Calibration numbers 1-11. Important • Use this procedure to set new density values and to store those values under a calibration number 1-11. •...
  • Page 83 Operation Adjustments Old-Type Calibration Image [9] Press the MAGAZINE DOOR OPEN/CLOSE SWITCH. [10] Open the RECEIVE MAGAZINE DOOR. GREY [11] Remove the RECEIVE MAGAZINE. SCALE [12] Process the Calibration Image. Use the same STEP 1 processor that will be used to process film printed by the LASER PRINTER.

  • Page 84: Measuring And Entering Density Data

    SERVICE MANUAL Measuring and Entering Density Data Using a Stand-alone DENSITOMETER Old-Type Calibration Image Use the following method to measure and enter the density data. [1] Prepare a stand-alone DENSITOMETER for use. D-MAX [2] Measure the density at the center of each gray step on the Calibration Image.

  • Page 85: Calibration Errors

    Operation Adjustments [8] Check the density values by pressing [NEXT] and BEGIN CALIBRATION reviewing each of the 9 density values. [9] Press [SELECT]. [10] Press [SELECT] again to begin the calibration. CALIBRATING Note • The PRINTER will compute the calibration table. Calibration will take about one minute. When the calibration has been calculated successfully, the LASER PRINTER displays: [ 00 PRINTER READY ] .
  • Page 86 SERVICE MANUAL [2] Check that the Calibration Image was used and not the Test Image. Old-Type Calibration and Test Images CALIBRATION IMAGE TEST IMAGE H129_0101ACD H129_0100ACA H129_0101AA H129_0100AA New-Type Calibration and Test Images TEST IMAGE CALIBRATION IMAGE H129_0107AC H129_0108AC [3] If the Test Image was used, do the procedure Calibrating the Printer beginning on Page 4–4. Important The density of each step must be greater than or equal to the density of the previous step.

  • Page 87: Using The Kodak Process Control Densitometer As A Stand-Alone Densitometer

    Operation Adjustments Using the Kodak Process Control DENSITOMETER as a Stand-alone DENSITOMETER The Kodak PROCESS CONTROL DENSITOMETER CH:I (lab identifier) CH:I go can also be used to read the 9 density values. To do so, use the following procedure: [1] Prepare the DENSITOMETER for use.
  • Page 88 The DENSITOMETER is ready to display the densities for all 21 steps that it has read from the Calibration Image. The Kodak Ektascan 1120 LASER PRINTER uses only the densities of steps 7 through 15. To read and record the required densities: [9] Press the right-side [CHAN] key and scroll through the densities.

  • Page 89: Checking Stored Calibration Settings

    Operation Adjustments Checking Stored Calibration Settings [1] Press [ON-LINE]. 1. CALIBRATION #: X [2] Press [ ] and [ ] keys to select the desired calibration number. [3] Press [SELECT]. 1A SET DENSITY [4] Press [SELECT]. -3 -2 -1 0 +1 +2 +3 [5] Check that the stored density is underscored.

  • Page 90: Recovering From A Calibration Error

    SERVICE MANUAL Recovering from a Calibration Error Perform this procedure if you receive a calibration error when energizing the 1120 Laser Printer. Important When the printer displays “54 ERROR:CALIBRATION,” you must perform this procedure before you can enter off- line mode to calibrate the printer. [1] Enter CES Hidden Mode.

  • Page 91: Tone Scaling

    Operation Adjustments Tone Scaling Important • Before doing a Tone Scale adjustment, check that the Imaging Device Monitor has been correctly adjusted. This Monitor adjustment should not be changed once the Tone Scaling has been completed. • Tone Scale adjustments should only be done by trained personnel. Tone Scaling is a technique of making printed images match the images on the input monitor.

  • Page 92: Checking Film Transport

    SERVICE MANUAL Checking Film Transport Note • Use exposed film for this procedure. • Use the service key to allow operation of the PRINTER with the doors open. [1] Check that the LASER PRINTER and the processor are warmed up. Note The CONTROL PANEL will display the message [07 PRINTER WARM-UP] followed by [00 PRINTER READY].
  • Page 93 Operation Adjustments [5] Press the [SELECT] key. RECIEVE MAGAZINE PROCESSOR Important Either the “3A RECEIVE MAGAZINE” or “3B PROCESSOR” message will be displayed after doing the last step. The “3A RECEIVE MAGAZINE” message must be displayed to check film transport for PRINTERS attached to a processor.

  • Page 94: Setting Film Density - Beam Splitter Pulse Settings

    SERVICE MANUAL Setting Film Density - Beam Splitter Pulse Settings Important If you do this procedure, you must do the procedure “Calibrating the Printer” on Page 4–4. Use this procedure to set density values other than those set at the factory. [1] Install the PORTABLE COMPUTER.
  • Page 95 Operation Adjustments [13] If using 35 x 43 cm film, press [ENTER] for SET BEAM-SPLITTER MENU default at the “How many times?” prompt. 1 Print Grey Scale 4 Show Pulse [14] If using other than 35 x 43 cm film, press [6] for 6 2 Enter Density 5 Set Each Pulse times at the “How many times?”...
  • Page 96 SERVICE MANUAL [15] Use a DENSITOMETER to measure and record DENSITY density values of each pulse value (grey scale). -3(2.55) -2(2.65) ≤ (a) The first value must be 2.55. -1(2.75) 0(2.85) > 2.55. An error will occur if the value is 1(2.95) ≥...
  • Page 97 Operation Adjustments [20] Record the pulse number displayed on the PORTABLE COMPUTER onto the ASSIGNMENT VALUE LABEL located on top of the CARD RACK. [21] Enter [0] to save the pulse numbers. ALIGNMENT VALUE LABEL H129_0709ACA H129_0709AC [22] If alternate density levels are needed, select [4] to SET BEAM-SPLITTER MENU show pulse.
  • Page 98 SERVICE MANUAL [26] Press {ESC] to return to the Beam-splitter menu. SET BEAM-SPLITTER MENU [27] Enter [5] to set each pulse. 1 Print Grey Scale 4 Show Pulse 2 Enter Density 5 Set Each Pulse 3 Set Normal Status Enter Menu Item: 5 [28] Enter each of the new pulse values recorded in Density Current...

  • Page 99: Printing A Flat Field Image

    Operation Adjustments Printing a Flat Field Image Use this procedure to check the image quality and to identify light leaks or film scratches. [1] Press [NEXT], [SELECT], [ ] and the ACCESS Flat film (0.4D) SWITCH at the same time. Print count: x [2] Press the [ ] and [...

  • Page 100: Ces Hidden Mode Setup Procedure

    SERVICE MANUAL CES Hidden Mode Setup Procedure Use this procedure to enter parameters close to those obtained during calibration whenever: • installing a new BATTERY • installing a new SEQUENCE BOARD • installing a new software version [1] Press the [ ] key, the [ ] key, and the POWER ACCESS...
  • Page 101 Operation Adjustments The following is a list of parameters in the sequence in which they are displayed: Parameter Description Enter this value: “BS PULSE xx:yyy: To set the beam splitter pulses from 0 to See LABEL for values. 200. “FILM SIZE: xxxxx” To set the film size.

  • Page 102: Adjustment Of The Right And Left Film Guides

    SERVICE MANUAL Adjustment of the Right and Left Film Guides If there is damage to the TABS that are located on the bottom of the MAGAZINES, adjust the RIGHT and LEFT MAGAZINE GUIDES ont he SUPPLY or RECEIVE DOOR. Use the following specifications: Dimension Receive Door Supply Door...

  • Page 103: Electrical Adjustments

    Electrical Adjustments Section 5: Electrical Adjustments Table of Contents Description Page Circuit Boards ............Driver Board - Versions 1, 2, &...

  • Page 104: Circuit Boards

    SERVICE MANUAL Circuit Boards Driver Board - Versions 1, 2, & 3 and Serial No. Range 500025-500389 DC/DC Converter Output Voltage Use this procedure to correct timing malfunctions and to restore dropped pixels on film. If the output voltage is less than -2 Vdc, the PORTABLE COMPUTER displays the “no beam detected error”.
  • Page 105 Electrical Adjustments DRIVER BOARD POTENTIOMETER CPG5 CPM5 21 1 H129_1706DCF H129_1706DC SM3226-1 – 10FEB97 5–3...

  • Page 106: Clock Frequency For Electromagnetic Pump

    SERVICE MANUAL Clock Frequency for Electromagnetic Pump Use this procedure to check the vacuum pressure and the clock frequency for the ELECTROMAGNETIC PUMP when the film suction is malfunctioning. Caution Close the MAGAZINE WINDOWS or remove the MAGAZINES before doing this adjustment. To Check: [1] De-energize the LASER PRINTER.
  • Page 107 Electrical Adjustments DRIVER BOARD POTENTIOMETER CPCK CPG5 21 1 H129_1706DCG H129_1706DC Approx. Approx. 18.00 ms. H129_1924BC SM3226-1 – 10FEB97 5–5...

  • Page 108: Film Sensor Adjustments

    SERVICE MANUAL Film Sensor Adjustments Important After energizing the PRINTER, wait at least 10 minutes before adjusting the SENSORS. Film jam errors will occur if the voltages for the FILM SENSORS are not within the correct specification. Use this set of procedures to eliminate film jam errors caused by manufacturing changes in film, other film manufacturers, misadjusted or newly installed FILM SENSORS.

  • Page 109: Emitter Intensity Of Film Sensors Il1, Il2, And Il3

    Electrical Adjustments Emitter Intensity of Film Sensors IL1, IL2, and IL3 To Check: Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the BACK IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3. SEQUENCE [3] Open the SEQUENCE BOARD SHIELD. BOARD SHIELD H129_0601ACA...
  • Page 110 SERVICE MANUAL Important If necessary, do the adjustment procedure in the following step. DRIVER BOARD 21 1 POTENTIOMETER POTENTIOMETER POTENTIOMETER P213 P211 VR13 P212 H129_1706DCA H129_1706DC To Adjust: [7] Rotate the correct POTENTIOMETER for each sensor until the value is within specification. IL1: VR3 for the SLOW SCAN FILM SENSOR IL2: VR4 for the FILM PROCESSOR ADAPTER FILM SENSOR IL3: VR13 for the TRANSPORT GUIDE PLATE JAM SENSOR...

  • Page 111: Output Voltage For Receivers Pt1, Pt2, And Pt3

    Electrical Adjustments Output Voltage for Receivers PT1, PT2, and PT3 Perform this procedure to ensure the output voltages of RECEIVERS PT1, PT2, and PT3 are correct for the DRIVER BOARD to convert to a TTL level used at the SEQUENCE BOARD. It will be necessary to check this output when changing film manufacturers, replacing sensors and/or DRIVER BOARD.
  • Page 112 SERVICE MANUAL DRIVER BOARD POTENTIOMETER J218 21 1 POTENTIOMETER POTENTIOMETER VR14 H129_1706DCE H129_1706DC 5–10 10FEB97 – SM3226-1...
  • Page 113 Electrical Adjustments [6] Set the Time Base to 2 ms/division. [7] Set the voltage to 1 volt/division. Note Use unprocessed film supplied by the customer. [8] Observe the height of the waveforms on the OSCILLOSCOPE first without FILM and then with FILM inserted between the EMITTER and RECEIVER of the SENSOR.
  • Page 114 SERVICE MANUAL FILM PRESENT PHT1 (-2,-3) Channel B ~ 5 Vdc TTH Logic Level High (5 Volts) Analog output of Film Jam Sensors PH1 (-2,-3) with Film Present Channel A 8-10 ms < 1.5 Vp-p H129_2715BC To Adjust: [9] Rotate the correct POTENTIOMETER for each sensor until the value is within specification. PHT2: VR1 for the SLOW SCAN FILM SENSOR PHT3: VR2 for the FILM PROCESSOR ADAPTER FILM SENSOR PHT1: VR14 for the TRANSPORT GUIDE PLATE JAM SENSOR...

  • Page 115: Temporary Emitter Pulse Cycle

    Electrical Adjustments Temporary Emitter Pulse Cycle [13] Disconnect J218 from the DRIVER BOARD. [14] Set the Volts/Div. to 2.0 V for both Channel A and Channel B. [15] Set the Sec/Div. to 5 ms. [16] Connect the Channel A OSCILLOSCOPE PROBE to the correct TEST POINT: IL1: LD2 for the SLOW SCAN FILM SENSOR IL2: LD3 for the FILM PROCESSOR ADAPTER FILM SENSOR IL3: LD1 for the TRANSPORT GUIDE PLATE JAM SENSOR...
  • Page 116 SERVICE MANUAL DRIVER BOARD P218 CPG5 21 1 POTENTIOMETER POTENTIOMETER POTENTIOMETER H129_1706DCB H129_1706DC 5–14 10FEB97 – SM3226-1...

  • Page 117: No Film Signal Holding Time

    Electrical Adjustments No Film Signal Holding Time To observe waveform, place oscilloscope To adjust waveform Sensor Symbol between GND and PROBE period, rotate Slow Scan Sensor CPG5 PHT2 VR10 Film Processor CPG5 PHT3 VR11 Adapter Sensor Transport Sensor CPG5 PHT1 VR12 To Check: [21] Observe the wavelength on Channel B of the OSCILLOSCOPE.
  • Page 118 SERVICE MANUAL DRIVER BOARD 21 1 PHT3 POTENTIOMETER POTENTIOMETER PHT2 PHT1 VR12 VR11 POTENTIOMETER VR10 H129_1706DCC H129_1706DC 5–16 10FEB97 – SM3226-1...

  • Page 119: Permanent Emitter Pulse Cycle

    Electrical Adjustments Permanent Emitter Pulse Cycle To observe waveform, place oscilloscope To adjust waveform Sensor Symbol between GND and PROBE period, rotate Slow Scan Sensor CPG5 Film Processor CPG5 Adapter Sensor Transport Sensor CPG5 Approx. Emission 3.5 V Time 10 ms. H129_1912BC [23] Adjust the correct POTENTIOMETER for each sensor until the value is within the above specification.
  • Page 120 SERVICE MANUAL DRIVER BOARD CPG5 21 1 POTENTIOMETER POTENTIOMETER POTENTIOMETER H129_1706DCD H129_1706DC 5–18 10FEB97 – SM3226-1...

  • Page 121: Emitter Pulse Duty Ratio For Il1, Il2, And Il3

    Lower the Duty Cycle Ratio if film fogging has occurred. Adjusting the 3 SWITCHES changes the ratio of emitter time per cycle. The Duty Ratio may need to be changed when non-Kodak films are used. Note The switches RSW1 and RSW2 on the DRIVER BOARD are factory-set to 8 for a Duty Ratio of 60%. RSW3 is factory set to 3 for a Duty Ration of 28 percent.
  • Page 122 SERVICE MANUAL DRIVER BOARD RSW1 RSW3 RSW2 H129_1710DCA H129_1710DC [27] Change the switch settings for each sensor by trial and error until the film-fogging problem is cleared. Use the Flat Field procedure on Page 4–21 to check the image after setting the duty ratio. [28] Check the receiver output voltage for PT1, PT2, or PT3 after changing the switch setting.

  • Page 123: Driver Board - Versions 4, 5, 6 & Universal And Serial No. Range 500390-500898, 600133-600306

    Electrical Adjustments Driver Board - Versions 4, 5, 6 & Universal and Serial No. Range 500390-500898, 600133- 600306 DC/DC Converter Output Voltage Use this procedure to correct timing malfunctions and to restore dropped pixels on film. If the output voltage is less than -2 Vdc, the PORTABLE COMPUTER displays the “no beam detected error”.

  • Page 124: Clock Frequency For Electromagnetic Pump

    SERVICE MANUAL Clock Frequency for Electromagnetic Pump Use this procedure to check the vacuum pressure and the clock frequency for the ELECTROMAGNETIC PUMP when the film suction is malfunctioning. Caution Close the MAGAZINE WINDOWS or remove the MAGAZINES before doing this adjustment. To Check: [1] De-energize the LASER PRINTER.
  • Page 125 Electrical Adjustments DRIVER BOARD PHT1 CPG5 PHT2 PHT3 P212 VR10 VR13 P213 P211 VR11 VR12 H129_1724DCB H129_1724DC Approx. Approx. 18.00 ms. H129_1924BC SM3226-1 – 10FEB97 5–23...

  • Page 126: Film Sensor Adjustments

    SERVICE MANUAL Film Sensor Adjustments Important After energizing the PRINTER, wait at least 10 minutes before adjusting the SENSORS. Film jam errors will occur if the voltages for the FILM SENSORS are not within the correct specification. Use this set of procedures to eliminate film jam errors caused by misadjusted, newly installed FILM SENSORS, manufacturing changes in film or other film manufacturers.

  • Page 127: Emitter Intensity Of Film Sensors Il1, Il2, And Il3

    Electrical Adjustments Emitter Intensity of Film Sensors IL1, IL2, and IL3 To Check: Warning Dangerous Voltage. [1] De-energize the LASER PRINTER. [2] Remove the BACK IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3. SEQUENCE [3] Open the SEQUENCE BOARD SHIELD. BOARD SHIELD H129_0601ACA...
  • Page 128 SERVICE MANUAL Important If necessary, do the adjustment procedure in the following step. DRIVER BOARD PHT1 CPG5 PHT2 PHT3 P212 VR10 VR13 P213 P211 VR11 VR12 H129_1724DCB H129_1724DC To Adjust: [7] Rotate the correct POTENTIOMETER for each sensor until the value is within specification. IL1: VR3 for the SLOW SCAN FILM SENSOR IL2: VR4 for the FILM PROCESSOR ADAPTER FILM SENSOR IL3: VR13 for the TRANSPORT GUIDE PLATE JAM SENSOR...

  • Page 129: Output Voltage For Receivers Pt1, Pt2, And Pt3

    Electrical Adjustments Output Voltage for Receivers PT1, PT2, and PT3 This procedure is done to ensure the necessary output voltages are correct for the DRIVER BOARD to convert to a TTL level used at the SEQUENCE BOARD. It will be necessary to check this output when changing film manufacturers, replacing sensors and/or DRIVER BOARD.
  • Page 130 SERVICE MANUAL NO FILM PRESENT PH1 (-2,-3) Channel A Analog output of 3.5 - 4.0 Vp-p Film Jam Sensors with no Film Present PHT1 (-2,-3) Channel B TTL Logic level Low (0 Volts) 0 Vdc 8-10 ms H129_2714BC FILM PRESENT PHT1 (-2,-3) Channel B ~ 5 Vdc...
  • Page 131 Electrical Adjustments UNIVERSAL DRIVER BOARD PHT1 PHT2 PHT3 CPG5 VR14 H129_1726DCD H129_1726DC SM3226-1 – 10FEB97 5–29...
  • Page 132 SERVICE MANUAL DRIVER BOARD (Version 5) PHT1 PHT2 PHT3 CPG5 VR14 H129_1724DCC H129_1724DC 5–30 10FEB97 – SM3226-1...

  • Page 133: No Film Signal Holding Time

    Electrical Adjustments No Film Signal Holding Time To observe waveform, place oscilloscope between GND and To adjust waveform Sensor Symbol PROBE period, rotate Slow Scan Sensor CPG5 PHT2 VR10 Film Processor CPG5 PHT3 VR11 Adapter Sensor Transport Sensor CPG5 PHT1 VR12 To Check: [1] Disconnect J218 from the DRIVER BOARD.
  • Page 134 SERVICE MANUAL [5] Observe the wavelength on the OSCILLOSCOPE. The pulse width should be between 20 ms and 22 ms. Approx. 20 ms. Approx. 30 ms. H129_1911BC To Adjsut: [6] Rotate the correct POTENTIOMETER for each sensor until the value is within specification. PHT2: VR10 for the SLOW SCAN FILM SENSOR PHT3: VR11 for the FILM PROCESSOR ADAPTER FILM SENSOR PHT1: VR12 for the TRANSPORT GUIDE PLATE JAM SENSOR...
  • Page 135 Electrical Adjustments DRIVER BOARD (Version 5) PHT1 CPG5 PHT2 PHT3 P212 VR10 VR13 P213 P211 VR11 VR12 H129_1724DCB H129_1724DC SM3226-1 – 10FEB97 5–33...
  • Page 136 SERVICE MANUAL UNIVERSAL DRIVER BOARD PHT1 DAUGHTER CPG5 PHT2 BOARD PHT3 P301 VR13 VR10 P213 P212 P302 VR12 VR11 P211 H129_1726DCB H129_1726DC 5–34 10FEB97 – SM3226-1...

  • Page 137: Permanent Emitter Pulse Cycle

    Electrical Adjustments Permanent Emitter Pulse Cycle Important This is a check only. There is no adjustment for the printers in this serial number range. To observe waveform, place oscilloscope Sensor Symbol between GND and PROBE Slow Scan Sensor CPG5 Film Processor Adapter Sensor CPG5 Transport Sensor CPG5...
  • Page 138 SERVICE MANUAL [5] Connect J218. DRIVER BOARD (Version 5) CPG5 H129_1724DCA H129_1724DC 5–36 10FEB97 – SM3226-1...
  • Page 139 Electrical Adjustments UNIVERSAL DRIVER BOARD CPG5 H129_1726DCA H129_1726DC SM3226-1 – 10FEB97 5–37...

  • Page 140: Emitter Pulse Duty Ratio For Sensors Il1, Il2, And Il3

    Lower the Duty Cycle Ratio if film fogging has occurred. Adjusting the 3 SWITCHES changes the ratio of emitter time per cycle. The Duty Ratio may need to be changed when non-Kodak films are used. Note The switches RSW1 and RSW2 on the DRIVER BOARD are factory-set to 8 for a Duty Ratio of 60%. RSW3 is factory set to 3 for a Duty Ration of 28 percent.
  • Page 141 Electrical Adjustments Important If you are changing the Duty Ratio, the Output Voltage for Receivers will need to be checked. Adjust as necessary. UNIVERSAL DRIVER BOARD RSW1 RSW2 RSW3 H129_1726DCE H129_1726DC SM3226-1 – 10FEB97 5–39...
  • Page 142 SERVICE MANUAL DRIVER BOARD (Version 5) RSW1 RSW2 RSW3 H129_1724DCD H129_1724DC [1] Change the switch settings for each sensor by trial and error until the film-fogging problem is cleared. Use the Flat Field procedure on Page 4–21 to check the image after setting the duty ratio. [2] Check the receiver output voltage for PT1, PT2, or PT3 after changing the switch setting.

  • Page 143: Present

    Electrical Adjustments Driver Board - Versions 6 & Higher and Serial No. Range 500899-present, 600307- present Note Some Version 6 BOARDS may require SENSOR adjustments as described in the previous section. DC/DC Converter Output Voltage Use this procedure to correct timing malfunctions and to restore dropped pixels on film. If the output voltage is less than -2 Vdc, the PORTABLE COMPUTER displays the “no beam detected error”.

  • Page 144: Film Sensor Adjustments

    SERVICE MANUAL Film Sensor Adjustments Important After energizing the PRINTER, wait at least 10 minutes before adjusting the SENSORS. Film jam errors will occur if the voltages for the FILM SENSORS are not within the correct specification. Use this set of procedures to eliminate film jam errors caused by misadjusted, newly installed FILM SENSORS or manufacturing changes in film or other film manufacturers.

  • Page 145: Output Voltage For Receivers Pt1, Pt2, And Pt3

    Electrical Adjustments Output Voltage for Receivers PT1, PT2, and PT3 This procedure is done to ensure the necessary output voltages are correct for the DRIVER BOARD to convert to a TTL level used at the SEQUENCE BOARD. It will be necessary to check this output when changing film manufacturers, replacing sensors and/or DRIVER BOARD.
  • Page 146 SERVICE MANUAL DRIVER BOARD PHT1 PHT3 PHT2 CPM5 RSW3 VR14 CPCK RSW1 RSW2 H129_1731HCA H129_1731HC 5–44 10FEB97 – SM3226-1...
  • Page 147 Electrical Adjustments Note Use unprocessed film supplied by the customer. [6] Observe the height of the waveforms on the OSCILLOSCOPE first without FILM and then with FILM inserted between the EMITTER and RECEIVER of the SENSOR. If necessary, see the Component Locator for each SENSOR location.
  • Page 148 SERVICE MANUAL To Adjust: [7] Rotate the correct POTENTIOMETER for each sensor until the value is within specification. PHT2: VR1 for the SLOW SCAN FILM SENSOR PHT3: VR2 for the FILM PROCESSOR ADAPTER FILM SENSOR PHT1: VR14 for the TRANSPORT GUIDE PLATE JAM SENSOR [8] Check that Channel B SENSORS show a steady DC level with no pulses.

  • Page 149: Emitter Pulse Duty Ratio For Sensors Il1, Il2, And Il3

    Lower the Duty Cycle Ratio if film fogging has occurred. Adjusting the 3 SWITCHES changes the ratio of emitter time per cycle. The Duty Ratio may need to be changed when non-Kodak films are used. Note The switches RSW1 and RSW2 on the DRIVER BOARD are factory-set to 8 for a Duty Ratio of 60%. RSW3 is factory set to 3 for a Duty Ration of 28 percent.

  • Page 150: Sequence Board

    SERVICE MANUAL Sequence Board Beam Detector Signal Offset Voltage Use this procedure when receiving 53 Beam Detect errors and/or replacing the SEQUENCE BOARD. Note This adjustment has been discontinued for SEQUENCE BOARDS labled with Cannon Part No. BH8-1266-03I to M (1120 Serial No.
  • Page 151 Electrical Adjustments SEQUENCE BOARD POTENTIOMETER CP10 CP14 H129_1705DCA H129_1705DC [10] Use the PORTABLE COMPUTER to display the MAIN MENU CES Main Menu. 1 Monitor Mode 4 System Params 2 System Logs 5 Debug Utility 3 Boards Diag 6 Exit Enter Menu Item: [11] Enter [1] for “Monitor Mode”.
  • Page 152 SERVICE MANUAL [12] Enter [7] for “Enter Commands”. Input ‘HLP’ to know commands. Enter command: Enter Command: LDO Note • Commands must be entered using capital letters. • See the Diagnostics section to clear any error messages displayed on the PORTABLE COMPUTER during this procedure.
  • Page 153 Electrical Adjustments To Adjust: error=0 Enter Command:LDF [21] Rotate the POTENTIOMETER VR2 until the voltage and waveform are correct. [22] Enter [L] [D] [F] to turn off the Laser Diode. [23] Enter [P] [O] [F] to turn off the Polygon Motor. error=0 Enter Command:POF [24] Press [ESC] 3 times to exit diagnostics.

  • Page 154: 5-Phase Pulse Motor Boards For The Transport Motor Voltages (5Pmd)

    SERVICE MANUAL 5-Phase Pulse Motor Boards for the Transport Motor Voltages (5PMD) Use this procedure after installing a new TRANSPORT ROLLER DRIVER BOARD, SUPPLY ROLLER DRIVER BOARD, or RECEIVE ROLLER DRIVER BOARD. The 3 FILM TRANSPORT MOTORS in the LASER PRINTER operate with the same type of circuit board, the 5-PHASE PULSE MOTOR BOARD.
  • Page 155 Electrical Adjustments TOP IMAGE UNIT TRANSPORT ROLLER DRIVER BOARD RECEIVER ROLLER DRIVER BOARD H129_1000DCC H129_1000DC (b) Remove the BACK IMAGE UNIT COVER for the SUPPLY ROLLER DRIVER BOARD. SM3226-1 – 10FEB97 5–53...
  • Page 156 SERVICE MANUAL BACK IMAGE UNIT SUPPLY ROLLER DRIVER H129_0028CCB BOARD H129_0028CC 5–54 10FEB97 – SM3226-1...
  • Page 157 Electrical Adjustments [4] Disconnect CN3 from the 5-PHASE PULSE MOTOR BOARD. 5-PHASE PULSE MOTOR BOARD CP2(REF) CP1(GND) P129_1703BCA H129_1703BC [5] Check that a JUMPER is installed from J1-2 to J1-3. [6] Check that a JUMPER is installed from J2-2 to J2-3. [7] Remove IC4.
  • Page 158 SERVICE MANUAL [13] Enter the number for the MOTOR being checked: X-MOTOR PULSE MOTOR DIAG MENU 1 Drive 2: T-roller PM 2 Stop 3: S-roller PM Enter menu item: 4: R-roller PM [14] Enter [1] to energize the MOTOR. X-MOTOR PULSE MOTOR DIAG MENU 1 Drive [15] Enter [1] for the number of pulses.

  • Page 159: 2-Phase Pulse Motor Board (2Pmd), Slide Base Motor Voltage

    Electrical Adjustments 2-Phase Pulse Motor Board (2PMD), Slide Base Motor Voltage Use this procedure after installing a new SLIDE BASE MOTOR BOARD. The SLIDE BASE MOTOR and the BEAM SPLITTER MOTOR operate with the same type of circuit board, the 2-Phase Pulse Motor Board. There are no electrical adjustments for the BEAM SPLITTER MOTOR BOARD.
  • Page 160 SERVICE MANUAL [10] Use the PORTABLE COMPUTER to display the MAIN MENU CES Main Menu. 1 Monitor Mode 4 System Params 2 System Logs 5 Debug Utility 3 Boards Diag 6 Exit Enter Menu Item: [11] Enter [1] for “Monitor Mode”. MONITOR MODE MENU 1 Motors 6 Seq Board Diag...
  • Page 161 Electrical Adjustments 2-PHASE PULSE MOTOR DRIVER BOARD (2PMD) CP1 (GND) CP2 (REF) POTENTIOMETER H129_1704BCA P102 H129_1704BC [17] Check that the voltage is between +1.15 and +1.20 Vdc. To Adjust: [18] Rotate potentiometer R8 until the voltage is correct. [19] Enter [2] to de-energize the MOTOR. X-MOTOR PULSE MOTOR DIAG MENU 1 Drive 2 Stop...

  • Page 162: Laser Diode Control Board

    SERVICE MANUAL Laser Diode Control Board Setting Laser Diode Control for D-Min Use this procedure when the Internal Test Print contains random, black dots in the D-MIN area, or if horizontal black lines appear on the test print. This adjustment is required to set D-Min to just above the threshold current of the Laser Diode, which is seen at TP17.
  • Page 163 Electrical Adjustments Style-02/-03 LASER DIODE CONTROL BOARD TP18 PORCH P/J 402 VRZ1 TP17 BOARD DSW2 DSW3 DSW1 H129_1722BCA H129_1722BC Style-07 LASER DIODE CONTROL BOARD H129_1728BCB TP17 TP18 DSW5 DSW4 H129_1728BC [10] Connect the GROUND CLIP of the OSCILLOSCOPE PROBE in Channel A to TP1 on the LDC BOARD. [11] Connect the 10X OSCILLOSCOPE PROBE in Channel A to TP18 on the LDC BOARD.
  • Page 164 SERVICE MANUAL [16] Enter [1] for “Monitor Mode”. MONITOR MODE MENU 1 Motors 6 Seq Board Diag 2 Solenoids 7 Enter Commands 3 Relay 8 Set Beam-Splitter 4 Miscellaneous 9 Auto Sensor Test 5 Sensors 10 Semi-Auto Sensor Test Enter Menu Item: [17] Enter [7] for “Enter Commands”.
  • Page 165 Electrical Adjustments To Adjust: [20] Rotate POTENTIOMETER VR4 on LASER DIODE CONTROL BOARD until the TP17 DC level is within specification. [21] For the STYLE -02/-03 BOARD, rotate POTENTIOMETER VRZ1, in the center of the PORCH BOARD, until the TP18 peak level is within specification. For the STYLE -07 BOARD, adjust the SWITCH DSW4 for a coarse adjustment until the TP18 peak level is within specification.

  • Page 166: Fluctuation Of The Laser Diode Reference Current

    SERVICE MANUAL Fluctuation of the Laser Diode Reference Current Use this procedure when noise is present in flat field images and/or images appear grainy shadowing patterns at density transitions. There are 3 styles of the LASER DIODE CONTROL BOARD. The BOARD contains a silk-screened Canon Part No.
  • Page 167 Electrical Adjustments TP16 TP13 H129_1730BCA TP18 H129_1730BC TP16 TP18 PORCH P/J 402 VRZ1 BOARD TP13 1 3 1 DSW2 DSW3 DSW1 H129_1729BCA H129_1729BC [10] Connect the ground CLIP of the Channel A PROBE to TP2 (Analog Ground). [11] Connect the Channel A PROBE to TP13. TP13 monitors the reference current required to drive the LASER DIODE.
  • Page 168 SERVICE MANUAL [20] Refer to Figure 1, Time Delay Setting to the Turn Laser Diode On. Verify the end of the falling edge for TP13 (LASER DIODE Reference Current) and the start of the rising edge of TP18 (LASER DIODE Output Power) is 80-90 nsec.
  • Page 169 Electrical Adjustments [24] If necessary, adjust VR3 of the LDC BOARD. [25] Make sure the portable computer is in the “Enter Commands” mode. Enter [L][D][F] to de-energize the LASER DIODE. [26] Set the LASER DIODE CONTROL BOARD SWITCHES to the following: -02/-03 SW1: 1 SW2: 1...

  • Page 170: Control Panel Board

    SERVICE MANUAL Control Panel Board Use this procedure to adjust the contrast of the Control CONTROL SCREW (4) Panel display. PANEL BOARD [1] Energize the LASER PRINTER. TOP COVER COVER [2] Press the MAGAZINE DOOR OPEN/CLOSE SWITCH. [3] Open the RECEIVE MAGAZINE DOOR. [4] Open the USER ACCESS DOOR.
  • Page 171 Electrical Adjustments [12] Rotate VR1 until the desired contrast is displayed on the CONTROL PANEL. [13] Install the CONTROL PANEL BOARD COVER and 2 SCREWS. [14] Install the TOP COVER and 4 SCREWS. [15] Install the BACK IMAGE UNIT COVER. [16] Close the USER ACCESS DOOR.

  • Page 172: Sensors

    SERVICE MANUAL Sensors Sucker Pad Height Note Do this adjustment after installing the SUPPLY MAGAZINE OPEN/CLOSE ASSEMBLY. To Check: [1] Energize the LASER PRINTER. SCREW (2) [2] Connect the PORTABLE COMPUTER. Warning • Dangerous Voltage. • Possible damage to eyes from invisible laser beam. Wear protective eyewear.
  • Page 173 Electrical Adjustments [10] Enter [7] for “Enter Commands”. Input ‘HLP’ to know commands. Enter command: Enter Command: MGO Note error=0 • Commands must be entered using capital letters. • See the Diagnostics section to clear any error messages displayed on the PORTABLE COMPUTER during this procedure.
  • Page 174 SERVICE MANUAL [18] Press the PLASTIC RULER against the SUCKER PADS. [19] Use the RULER to measure the distance between the PLASTIC RULER and the ROLLER. The distance should be 3-5 mm (0.12-0.20 in.). [20] Enter VPF to turn the ELECTROMAGNETIC PUMP off. PLASTIC SUCKER ROLLER...
  • Page 175 Electrical Adjustments To Adjust: [21] De-energize the LASER PRINTER. [22] Remove the SUPPLY MAGAZINE OPEN/CLOSE ASSEMBLY. If necessary, see the procedure on Page 2–42. [23] Loosen the SCREW. [24] Remove the front SHIMS to increase the distance. Remove the back SHIMS to decrease the distance. [25] Install the SUPPLY MAGAZINE OPEN/CLOSE ASSEMBLY.

  • Page 176: Phf Film Suction Sensor

    SERVICE MANUAL PHF Film Suction Sensor Note Use the PORTABLE COMPUTER to check if the sensor is malfunctioning before doing this procedure. If necessary, see the Diagnostics Manual DG3226. To Check: MAIN MENU [1] Install the PORTABLE COMPUTER. See 1 Monitor Mode 4 System Params “Using the Portable Computer”...
  • Page 177 Electrical Adjustments VACUUM PUMP FLAG 1 mm SCREW (2) PUMP off 2 mm PUMP on SENSOR BRACKET SUCKER PADS H129_2600DCA H129_2600DC To Adjust: [12] Loosen the 2 SCREWS. [13] Move the SENSOR BRACKET until the measurement is within specification. [14] Tighten the 2 SCREWS. SM3226-1 –...

  • Page 178: Phs1 S Magazine Open Sensor

    SERVICE MANUAL PHS1 S Magazine Open Sensor To Check: MAIN MENU [1] Install the PORTABLE COMPUTER. See 1 Monitor Mode 4 System Params “Using the Portable Computer” in the Diagnostic 2 System Logs 5 Debug Utility Section. 3 Boards Diag 6 Exit [2] Use the PORTABLE COMPUTER to display the Enter Menu Item:...
  • Page 179 Electrical Adjustments SENSOR BRACKET S MAGAZINE SCREW OPEN SENSOR 1 mm (.04 in.) OF SLIDE TRACK SLIDE MECHANISM H129_0021BCA H129_0021BC [7] Check that the distance between the END OF THE SLIDE TRACK and the SLIDE MECHANISM is 1 mm (0.04 in.). To Adjust: [8] Loosen the SCREW.

  • Page 180: Phs2 S Magazine Close Sensor

    SERVICE MANUAL PHS2 S Magazine Close Sensor To Check: [1] Install the PORTABLE COMPUTER. See SCREW (2) “Using the Portable Computer” in the Diagnostic Section. Warning • Dangerous Voltage. • Possible damage to eyes from invisible laser beam. Wear protective eyewear. •...
  • Page 181 Electrical Adjustments [10] Check that the distance between the SPRING and the SLIDE MECHANISM is 1-2 mm (0.04-0.08 in) with the SLIDE MECHANISM fully extended against the SPRING. SLIDE MECHANISM 1 mm to 2 mm R MAGAZINE SENSOR SPRING CLOSE SENSOR BRACKET H129_0020BCA SCREW...

  • Page 182: Ph3 S Magazine Door Sensor

    SERVICE MANUAL PH3 S Magazine Door Sensor Note This procedure cannot be done on machines after S/N 500249. DETECTORS were changed from PHOTO DETECTORS to MICROSWITCHES to comply with European standards. To Check: MAIN MENU [1] Install the PORTABLE COMPUTER. See 1 Monitor Mode 4 System Params “Using the Portable Computer”...

  • Page 183: Chs1 Slide Base Position Sensor Reference Position

    Electrical Adjustments CHS1 Slide Base Position Sensor Reference Position To Check: [1] Set up the PORTABLE COMPUTER. SCREW (2) [2] Open the USER ACCESS DOOR. Warning • Dangerous Voltage. • Possible damage to eyes from invisible laser beam. Wear protective eyewear. •...
  • Page 184 SERVICE MANUAL [11] Enter [I] [T] [R] to place the TRANSPORT Enter Command: ITR ROLLERS in the initial position. error=0 [12] Enter [I] [F] [D] to move the SUCKER PADS into Enter Command: IFD the initial position. Check the S-Mag open. Are you ready?,Y/N (0/1) [0]: error=0 Enter Command:...
  • Page 185 Electrical Adjustments To Adjust: [14] Enter [P] [M] [F]. error=0 Enter Command: PMF Note Pulse number? (-30000 to 30000)[0]: + or In the next step, enter a + pulse to move the SLIDE - 2 or 3 BASE toward the ROLLER. Enter a - pulse to move Speed? (10 to 1500 pps) [10]: 10 the SLIDE BASE from the ROLLER.
  • Page 186 SERVICE MANUAL [23] Enter [P] [H] [T] to observe sensors. Enter Command: PHT error=0 Note The state of CHS-1 displayed on the PORTABLE COMPUTER should change between 0 and 1 during the next step. Important Do not loosen FLAG SCREWS for the next step. [24] Observe the state of CHS-1 displayed on the PORTABLE COMPUTER while trying to move the sensor flag without loosening the mounting...
  • Page 187 Electrical Adjustments [29] Observe the state of CHS-1 displayed on the PORTABLE COMPUTER while trying to move the sensor flag without loosening the mounting screws. Important If the state of CHS-1 changes from 0 to 1, the adjustment is complete. Go to Step 33. If the state of CHS-1 does not change, do the following step.

  • Page 188: Phr1 R Magazine Open Sensor

    SERVICE MANUAL PHR1 R Magazine Open Sensor To Check: [1] Install the PORTABLE COMPUTER. See “Using the Portable Computer” in the Diagnostic Section. [2] Open the RIGHT IMAGE UNIT COVER. If necessary, see the procedure on Page 2–3. [3] Use the PORTABLE COMPUTER to display the MAIN MENU CES Main Menu.
  • Page 189 Electrical Adjustments SENSOR BRACKET R MAGAZINE OPEN SENSOR SCREW 1 mm (.04 in.) OF SLIDE TRACK SLIDE MECHANISM H129_0021BCB H129_0021BC [7] Check that the distance between the END OF THE SLIDE TRACK and the SLIDE MECHANISM is 1 mm (0.04 in.). To Adjust: [8] Loosen the SCREW.

  • Page 190: Phr2 R Magazine Close Sensor

    SERVICE MANUAL PHR2 R Magazine Close Sensor To Check: [1] Install the PORTABLE COMPUTER. See SCREW (2) “Using the Portable Computer” in the Diagnostic Section. Warning • Dangerous Voltage. • Possible damage to eyes from invisible laser beam. Wear protective eyewear. •...
  • Page 191 Electrical Adjustments [9] Enter [R] [M] [C] to close the RECEIVE Enter Command: RMC MAGAZINE WINDOW. Check the Sucker’s positions: Are you ready?,Y/N (0/1) [0]: 0 error=0 Enter Command: [10] Remove the RECEIVE MAGAZINE OPEN/CLOSE ASSEMBLY. If necessary, see the procedure on Page 2-50.

  • Page 192: Ph4 R Magazine Door Sensor

    SERVICE MANUAL PH4 R Magazine Door Sensor Note This procedure cannot be done on machines after S/N 500249. DETECTORS were changed from PHOTODETECTORS to MICROSWITCHES to comply with European standards. To Check: [1] Install the PORTABLE COMPUTER. See “Using the Portable Computer” in the Diagnostic Section. [2] Remove the RIGHT IMAGE UNIT COVER.

  • Page 193: Receive Side Stopper Position

    Electrical Adjustments Receive Side Stopper Position To Check: MAIN MENU [1] Connect the PORTABLE COMPUTER. 1 Monitor Mode 4 System Params 2 System Logs 5 Debug Utility [2] Open the RECEIVE MAGAZINE DOOR. 3 Boards Diag 6 Exit [3] Open the USER ACCESS DOOR. Enter Menu Item: [4] Rotate the KEYSWITCH to the ON position.
  • Page 194 SERVICE MANUAL SCREW (2) HOLE ROLLER SHAFT STOPPER H129_5403BCA H129_5403BC To Adjust: [13] Enter [P] [M] [R]. error=0 Enter Command: PMR [14] Enter a [-] pulse number to move the ROLLER toward the STOPPER and a [+] pulse number to Pulse number? (-30000 to 30000)[0]: -10 move the roller away from the STOPPER.

  • Page 195: Cht1 Supply Roller Position Sensor

    Electrical Adjustments CHT1 Supply Roller Position Sensor Note Do this procedure when: replacing the SUPPLY ROLLER ASSEMBLY replacing the SUPPLY ROLLER POSITION SENSOR experiencing transportation film jams. To Check: [1] Install the PORTABLE COMPUTER. See “Using the Portable Computer” in the Diagnostic Section. [2] Open the BACK IMAGE UNIT COVER.
  • Page 196 SERVICE MANUAL [7] Enter [7] for “Enter Commands”. Input ‘HLP’ to know commands. Note Enter command: • Commands must be entered using capital letters. • See the Diagnostics section to clear any error messages displayed on the PORTABLE COMPUTER during this procedure. [8] Enter [I] [T] [R] to initialize the roller.
  • Page 197 Electrical Adjustments [20] Check that the LED indicator on the underside of the SUPPLY ROLLER POSITION SENSOR is off. Note If the LED indicator is off after the previous step, STOP, this procedure has been completed. [21] Press the [ESC] key on the PORTABLE COMPUTER 2 times to return to the MAIN MENU.
  • Page 198 SERVICE MANUAL [25] Enter [P] [M] [S]. error=0 Enter Command: PMS [26] Enter [-] [6] [4] for the pulse number. Pulse number? (-30000 to 30000)[0]: -64 [27] Enter [3] [0] [0] for the speed. Speed? (10 to 1500 pps) [10]: 300 [28] Loosen the 2 SET SCREWS on the SUPPLY ROLLER POSITION SENSOR FLAG.

  • Page 199: Cht2 Receive Roller Position Sensor

    Electrical Adjustments CHT2 Receive Roller Position Sensor Note Do this procedure when: • replacing the RECEIVE ROLLER ASSEMBLY • replacing the RECEIVE ROLLER POSITION SENSOR • experiencing transportation film jams. To Check: MAIN MENU [1] Energize the LASER PRINTER. 1 Monitor Mode 4 System Params [2] Install the PORTABLE COMPUTER.
  • Page 200 SERVICE MANUAL [9] Enter [P] [M] [R]. error=0 Enter Command: PMR [10] Enter [-] [2] [8] [1] for the pulse number. Pulse number? (-30000 to 30000)[0]: -281 [11] Enter [4] [4] [4] for the speed. Speed? (10 to 1500 pps) [10]: 444 [12] Check that the ROLLER SHAFT lines up with the holes in the FRONT AND REAR MECH REAR...
  • Page 201 Electrical Adjustments [13] Enter [P] [M] [R]. error=0 Enter Command: PMR Note Pulse number? (-30000 to 30000)[0]: -10 The number of pulses entered depends on the distance Speed? (10 to 1500 pps) [10]: 10 the ROLLER SHAFT must be moved. [14] Enter a negative pulse number to move the ROLLER toward the STOPPER and a positive pulse number to move the roller away from the...
  • Page 202 SERVICE MANUAL [17] Check that the RECEIVE ROLLER is resting error=0 against the STOP BRACKET. Enter Command: PMR Pulse number? (-30000 to 30000)[0]: 562 Speed? (10 to 1500 pps) [10]: 444 Important If the RECEIVE ROLLER is in position continue with the next step.

  • Page 203: Preventive Maintenance Checklist

    Preventive Maintenance Checklist Section 6: Preventive Maintenance Checklist Read the Error History and Error Frequency Logs. Look for trends and possible problems. Clear both logs. Print test patterns. Compare to test patterns made at installation. Check for artifacts. Caution Do not touch the POLYGON MIRROR surface. If artifacts show on the film, clean the OUTPUT MIRROR and LENSES with Spectro•Grade Acetone, Part No.
  • Page 204 Pub. No. ECO No. Affected Pages File Name Notes Feb 97 SM3226-1 N/A Pages 4-16 through sm3226_1_10feb97.book Caps conversion to 4-21. Frame Kodak and Ektascan are trademarks. CUSTOMER EQUIPTMENT SERVICES sm3226_1_10feb97.book EASTMAN KODAK COMPANY ROCHESTER, N.Y. 14650 Printed In USA...

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