Minolta Di151 Service Manual
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Minolta Di151 Service Manual

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Di151
SERVICE MANUAL
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FIELD SERVICE

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Summary of Contents for Minolta Di151

  • Page 1 Di151 SERVICE MANUAL FIELD SERVICE...

  • Page 2: Safety Precautions For Inspection And Service

    FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03 99.01.27 Safety Precautions for Inspection and Service When performing inspection and service procedures, observe the following precautions to prevent accidents and ensure utmost safety. Depending on the model, some of the precautions given in the following do not apply. Different markings are used to denote specific meanings as detailed below.
  • Page 3 FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03 99.01.27 4. Handle the power cord with care and never use a multiple outlet. • Do not break, crush or otherwise damage the power cord. Placing a heavy object on the power cord, or pulling or bending it may damage it, resulting in a possible fire or electric shock.
  • Page 4 FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03 99.01.27 CAUTION 1. Precautions for Service Jobs • A toothed washer and spring washer, if used originally, must be reinstalled. Omitting them may result in contact failure which could cause an electric shock or fire. •...
  • Page 5 FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03 99.01.27 5. Precautions for the Laser Beam (Only for Products Employing a Laser) • Removing the cover marked with the following caution label could lead to possi- ble exposure to the laser beam, resulting in eye damage or blindness. Be sure to unplug the power cord before removing this cover.

  • Page 6: Other Precautions

    FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03 99.01.27 Other Precautions • To reassemble the product, reverse the order of disassembly unless otherwise specified. • While the product is energized, do not unplug or plug connectors into the circuit boards or harnesses. •...

  • Page 7: Used Batteries Precautions

    FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03 99.01.27 Used Batteries Precautions ALL Areas CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. Germany VORSICHT! Explosionsgefahr bei unsachgemäßem Austausch der Batterie.

  • Page 8: Precautions For Service

    FrameMaker Ver.5.5E(PC) PS (Precaution For Service) Standard Document Ver.01 99. 7. 2 PRECAUTIONS FOR SERVICE When performing inspection and service procedures, observe the following precautions to prevent mishandling of the machine and its parts. Depending on the model, some of the precautions given in the following do not apply. Precautions Before Service •...
  • Page 9 FrameMaker Ver.5.5E(PC) PS (Precaution For Service) Standard Document Ver.01 99. 7. 2 Precautions for Dis/Reassembly • Be sure to unplug the copier from the outlet before attempting to service the copier. • The basic rule is not to operate the copier anytime during disassembly. If it is absolutely necessary to run the copier with its covers removed, use care not to allow your clothing to be caught in revolving parts such as the timing belt and gears.
  • Page 10 FrameMaker Ver.5.5E(PC) PS (Precaution For Service) Standard Document Ver.01 99. 7. 2 Handling of PWBs 1. During Transportation/Storage: • During transportation or when in storage, new P .W. Boards must not be indiscriminately removed from their protective conductive bags. • Do not store or place P.W. Boards in a location exposed to direct sunlight and high tem- perature.

  • Page 11: Handling Of The Pc Drum

    FrameMaker Ver.5.5E(PC) PS (Precaution For Service) Standard Document Ver.01 99. 7. 2 Handling of the PC Drum Only for Products Not Employing an Imaging Cartridge. 1. During Transportation/Storage: • Use the specified carton whenever moving or storing the PC Drum. •...
  • Page 12 FrameMaker Ver.5.5E(PC) PS (Precaution For Service) Standard Document Ver.01 99. 7. 2 3. Soak a small amount of either ethyl alcohol or iso- propyl alcohol into a clean, unused Dust-Free Cot- ton Pad which has been folded over into quarters. Now, wipe the surface of the PC Drum in one con- tinuous movement from its rear edge to its front edge and off its surface one to two times.

  • Page 13: Troubleshooting

    FrameMaker Ver.5.5(PC) Di151 00.03.29 INDEX (FIELD SERVICE) DIS/REASSEMBLY, ADJUSTMENT SWITCHES ON PWBs, TECH. REP . SETTINGS TROUBLESHOOTING...
  • Page 14 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 DIS/REASSEMBLY, ADJUSTMENT 18605...

  • Page 15: Table Of Contents

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 CONTENTS 1. SERVICE INSTRUCTIONS ................D-1 1-1. IDENTIFICATION OF FUSES ..............D-1 1-2. PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT ....D-1 1-3. PARTS WHICH MUST NOT BE TOUCHED ........... D-2 Red Screws ..................D-2 Variable Resistors on Board ............

  • Page 16: Service Instructions

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 SERVICE INSTRUCTIONS 1-1. IDENTIFICATION OF FUSES Control Board PWB-I 250V 3A (F1) Power Supply Board PU1 100V Area 250V 6.3A (F1) 250V 15A (F2) 200V Area 250V 4A(F1) 250V 6.3A(F2) 4007D040AA 1-2. PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT •...

  • Page 17: Parts Which Must Not Be Touched

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 1-3. PARTS WHICH MUST NOT BE TOUCHED Red Screws Purpose of Application of Red Paint Red painted screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be readjusted, set, or removed in the field.

  • Page 18: Reading The Text

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 1-4. READING THE TEXT Disassembly procedures are given under separate titles; illustrations identify each part only. Parts that require special attention and service jobs are given at the corresponding part name in the illustration.

  • Page 19: Disassembly/Reassembly

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 DISASSEMBLY/REASSEMBLY 2-1. COVERS AND EXTERIOR PARTS: IDENTIFICATION AND REMOVAL PROCEDURES 4007D001AB 4007D002AB...
  • Page 20 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Name Removal Procedure Original Cover Remove screws that secure the Original Cover. Original Glass Remove 1. Remove 13. Remove 12. Remove 3. Remove 7. Remove the Original Glass holding brackets (two at the front).

  • Page 21: Removal Of Pwbs

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 2-2. REMOVAL OF PWBs • The removal procedures given below omit the steps of unplugging connectors and removing the PWB from the PWB support. • Where it is absolutely necessary to touch the ICs and other electrical components on the board, be sure to ground your body.

  • Page 22: Maintenance Schedule

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 2-3. MAINTENANCE SCHEDULE • To ensure that the copier produces good copies and to extend its service life, it is recom- mended that the maintenance jobs described in this schedule be carried out as instructed.

  • Page 23: Removal Of Units

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 2-4. REMOVAL OF UNITS Removal of the Upper Half of the Copier Remove the upper half of the copier after the Front Upper Cover, control panel, Front Mid- dle Cover, Rear Upper Cover, and Paper Exit Tray Lower Cover have been removed.
  • Page 24 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 5. Torsion Bars A and B Torsion Bar B Torsion Bar A 4007D006AB Torsion Bar Mounting Position Front Side Torsion Bar B Torsion Bar A 4007D063AA Rear Side Torsion Bar B Torsion Bar A...
  • Page 25 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 6. Lock Plate Lock Plate 4007D073AA 7. Shoulder screws and other screws Front Side Rear Side Screws 4007D007AA 4007D008AA Shoulder Screw Shoulder Screw NOTE When mounting the shoulder screws, make sure that the round hole and the slot in the frames are properly aligned with each other.

  • Page 26: Removal Of The Ir Unit

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the IR Unit Remove the IR Unit after the Front Upper Cover, Front IR Cover, Rear IR Upper Cover, Rear Upper Cover, Rear Lower Cover, and Right IR Cover have all been removed.

  • Page 27: Removal Of The Ph Unit

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the PH Unit Remove the PH Unit after the Front Lower Cover, Rear Lower Cover, Paper Exit Tray Lower Cover, and I/C have been removed. 1. Protective cover 2. Control Board NOTE Unplug all print jacks from the PWB.
  • Page 28 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 5. Protective Cover Protective Cover 4007D012AA 6. Print Jack Master Board 4007D013AB 7. PH Unit fixing screws 4007D015AC PH Unit D-13...
  • Page 29 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 8. Cover 9. PH Unit Cover PH Unit 4007D014AA NOTE Take care with the torsion bars: They will come off when the upper half of the copier is swung up. D-14...

  • Page 30: Removal Of The Fusing Unit

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the Fusing Unit Remove the Fusing Unit after the Right Cover, Rear Lower Cover, Front Lower Cover, and I/C have been removed. 1. Fusing cover Fusing Cover 4007D067AA 2. Cover Cover 4007D074AA 3.
  • Page 31 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 5. Fusing Unit Fusing Unit Replace. 4007D069AA D-16...

  • Page 32: Image Transfer Section

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 2-5. IMAGE TRANSFER SECTION Replacement of the Image Transfer Roller Remove the Image Transfer Roller after the I/C have been removed. 1. Image Transfer Roller cover 2. Image Transfer Roller Image Transfer Roller Replace.

  • Page 33: Fusing Section

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 2-6. FUSING SECTION Removal of the Fusing Backup Roller 1. Thermistor hookup harness Thermistor hookup harness 4007D070AA 2. Lower Fusing Unit 3. Fusing Entrance Guide Plate Lock in the Rear Lower Fusing Unit Lock at the Front...
  • Page 34 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 4. Pressure spring 5. Fusing Backup Roller Fusing Backup Roller 4007D020AB Pressure Springs NOTE During reinstallation, make sure that the pressure springs fit over the protrusions on the Lower Fusing Unit. Front Side Rear Side...

  • Page 35: Removal Of The Fusing Heater Lamp

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the Fusing Heater Lamp 1. Terminal 2. Fusing Heater Lamp Gear Fusing Heater Lamp Terminal 4007D021AB NOTE When inserting the Fusing Heater Lamp, make sure that the end marked with the specifica- tions is on the gear end.

  • Page 36: Removal Of The Fusing Roller

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the Fusing Roller 1. Gear 2. Fusing Roller Fusing Roller Gear Fusing Entrance Guide Plate 4007D022AA NOTES • When mounting the Fusing Roller, take care not to allow the Paper Separator Fingers to damage the surface of the roller.

  • Page 37: Miscellaneous

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 2-7. MISCELLANEOUS Removal of the Scanner and Timing Belt Remove these parts after the Front Upper Cover, Front IR Cover, Left IR Cover, Rear IR Upper Cover, Rear Upper Cover, Rear Lower Cover, and Right IR Cover have all been removed.
  • Page 38 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 5. Scanner Rail fixing screw (on timing belt side) 6. Scanner Rail (on timing belt side) Scanner Rail Scanner Rail Fixing Screw 4007D024AB 7. Scanner plate 8. Flexible harness 9. Scanner Scanner Protective Cover...

  • Page 39: Removal Of The Scanner Motor

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the Scanner Motor 1. IR Unit 2. Fixing bracket 3. Scanner Motor IR Unit Fixing Bracket Scanner Motor 4007D026AA D-24...

  • Page 40: Removal Of The Paper Take-Up Roll

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the Paper Take-Up Roll Remove the Paper Take-Up Roll after the I/C has been taken out of the copier. 1. Paper Take-Up Roll Paper Take-Up Roll Paper Take-Up Roll Cover 4007D027AA NOTE When securing the Paper Take-Up Roll, make sure that the positioning pin on the back side of the roll fits into the hole in the shaft.

  • Page 41: Removal Of The Paper Take-Up Solenoid

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the Paper Take-Up Solenoid Remove the solenoid after the Front Lower Cover, Paper Tray, Manual Bypass Tray, Man- ual Bypass Tray Lower Cover, Rear Lower Cover, and Right Cover have all been removed.
  • Page 42 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 4. Base plate fixing screws Front Rear 4007D031AA 4007D032AA 5. Base plate Base Plate 4007D030AA 6. Paper Take-Up Solenoid Paper Take-Up Solenoid 4007D033AB D-27...

  • Page 43: Removal Of The Main Motor And Ph Section Cooling Fan Motor

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 Removal of the Main Motor and PH Section Cooling Fan Motor Remove these parts after the upper half of the copier, and I/C has been removed. 1. Protective cover 2. Master Board Master Board...
  • Page 44 FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 7. Main Motor, PH Section Cooling Fan Motor PH Section Cooling Fan Motor Main Motor 4007D038AA D-29...

  • Page 45: Adjustment

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 ADJUSTMENT 3-1. ADJUSTMENT REQUIREMENTS LIST Adjustment Item Requirements Adjustment Point Ref. Page Registration (Paper Tray) Control panel D-33 20 ± 2.0 mm D-34 Zoom Ratios (Scanner) 100 ± 1.0 mm D-35 200 ± 2.0 mm...

  • Page 46: Adjustment Of Upper Unit Interlock Switch S2

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 3-2. ADJUSTMENT OF UPPER UNIT INTERLOCK SWITCH S2 1. Release and swing up the upper half of the copier and remove the Right Cover. 2. Remove the Fusing Cover. 3. Loosen the screw on the Upper Unit Interlock Switch adjusting bracket and slide it downward until it is stops.

  • Page 47: Electrical/Image Adjustment

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 3-3. ELECTRICAL/IMAGE ADJUSTMENT Entering the Tech. Rep. Mode Procedure: Press the following keys in this order: Clear/Stop Exposure Control Lighter (<) Clear/Stop Exposure Control Darker (>) Entering the Adjust Mode Procedure: 1. Enter the Tech. Rep. mode.

  • Page 48: Cd Registration Adjustment (Paper Tray

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 CD Registration Adjustment (Paper Tray) Requirement B Side A Side 4007D050AA Requirement Adjust Mode Function Setting Range CD registration 43 to 57 adjustment (-3.5 to +3.5 mm) NOTE This adjustment must be made whenever the PH Unit is replaced.

  • Page 49: Fd Registration Adjustment (Paper Tray

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 FD Registration Adjustment (Paper Tray) Requirement Dimension C on the test pattern produced should fall within the range specified below. 4007D051AA Requirement Adjust Mode Function Setting Range FD registration 43 to 57 A4C 20 ±2.0 mm adjustment (-3.5 to +3.5 mm)

  • Page 50: Cd Zoom Ratio Adjustment (Scanner

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 CD Zoom Ratio Adjustment (Scanner) Requirement Produce a test pattern after the CD and FD registration adjustments (Paper Tray) have been made. Place this test pattern on the Original Glass and make a copy.

  • Page 51: Fd Zoom Ratio Adjustment (Scanner

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 FD Zoom Ratio Adjustment (Scanner) Requirement Produce a test pattern after the CD and FD registration adjustments (Paper Tray) have been made. Place this test pattern on the Original Glass and make a copy.

  • Page 52: Cd Registration Adjustment (Scanner

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 CD Registration Adjustment (Scanner) Requirement B Side A Side 4007D050AA Requirement Adjust Mode Function Setting Range CD registration 40 to 60 adjustment (-5.0 to +5.0 mm) NOTE This adjustment must be made whenever the Scanner is replaced. Should be made after the CD and FD registration adjustments (Paper Tray), and CD zoom ratio adjustment (Scanner) have been completed.

  • Page 53: Fd Registration Adjustment (Scanner

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 FD Registration Adjustment (Scanner) Requirement Produce a test pattern after the CD and FD registration adjustments (Paper Tray) have been made. Place this test pattern on the Original Glass and make a copy. Dimension C on the copy of the test pattern should fall within the range specified below.

  • Page 54: Miscellaneous

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 MISCELLANEOUS 4-1. TORSION BAR POSITION ADJUSTMENT NOTE When an Automatic Document Feeder or Fax Unit is mounted on the copier, the position of the torsion bar must be adjusted as detailed below. 1. Remove the Front Upper Cover and control panel.

  • Page 55: Remounting Eeprom (U21

    FrameMaker Ver.5.5E(PC) Di151 DIS/REASSEMBLY, ADJUSTMENT 00.03.21 4-2. REMOUNTING EEPROM (U21) NOTES • If the Control Board has been replaced, be sure to remount EEPROM (U21) from the old to new Control Board. • If the Control Board has been replaced and EEPROM (U21) has not been remounted, be sure to make settings and readjustments as necessary because New EEPROM (U21) contains no data in this case.
  • Page 56 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 SWITCHES ON PWBs, TECH. REP. SETTINGS 17196...
  • Page 57 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 CONTENTS 1. CONTROL PANEL KEYS AND INDICATORS ..........S-1 1-1. Control Panel Keys .................. S-1 2. USER’S CHOICE MODE ................. S-5 2-1. Functions Available from the User’s Choice Mode ........S-5 2-2.

  • Page 58: Control Panel Keys And Indicators

    FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 CONTROL PANEL KEYS AND INDICATORS 1-1. Control Panel Keys 1. Start Key • Press to start a copy cycle. 2. Clear/Stop Key • Press to cancel a copy operation. • Press to reset the Copies setting to “1”.
  • Page 59 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Inch Areas 4007S001EA...
  • Page 60 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Metric Areas 4007S002DA...
  • Page 61 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Others 4007S003CA...

  • Page 62: User's Choice Mode

    FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 USER’S CHOICE MODE • User’s Choice Mode is used to make various settings according to the user’s needs. 2-1. Functions Available from the User’s Choice Mode Code Function Code Function Auto Panel Reset...

  • Page 63: Settings In The User's Choice Mode

    FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 2-3. Settings in the User’s Choice Mode Choice Code. Setting (The default is Highlighted <Auto panel Reset> Select the time it takes the Auto Panel Reset function, which resets the panel settings when the set period of time elapses after a copy cycle has been completed or the last key operated, to be activated.
  • Page 64 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Choice Code Setting (The default is Highlighted <Manual Exposure Level Priority> Select the priority exposure level in the Manual Exposure mode. Data Description Exposure Level LEDs Darker Standard Lighter <Paper Size Select>...
  • Page 65 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Choice Code Setting (The default is Highlighted <Manual Feed Input Size> - FD Size - Data Description 182 - 184mm (7-1/4”) 185 - 194mm (7-1/4” - 7-3/4”) 195 - 204mm (7-3/4” - 8”) 205 - 214mm (8”...
  • Page 66 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Choice Code Setting (The default is Highlighted <Function> Select the priority Function mode. NOTES: • If the copier is not equipped with an Automatic Document Feeder, choice data of F1 and F2 only are available.

  • Page 67: Tech. Rep. Mode

    FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 TECH. REP. MODE • This mode is used by the Tech. Rep. to set, adjust, and/or program various service func- tions. 3-1. Tech. Rep. Mode Function Tree d1: I/C Counter d3: LED Test...

  • Page 68: Tech. Rep. Mode Setting Procedure

    FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 3-2. Tech. Rep. Mode Setting Procedure <Setting Procedure> 1. Press the following keys in this order: Clear/Stop Exposure Control Lighter (<) Clear/Stop Exposure Control Darker (>) 2. Press the 1Key until the desired Tech. Rep. sub-mode is reached. Sub-modes cycle as follows: Display “d”...
  • Page 69 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Code Description <Copy Counter> Displays the count of the copy counter. Two digits each are displayed on the display, cycling through all digits of the count as detailed below. E.g.: 12345 <PC Print Counter>...

  • Page 70: Function

    FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Function • Allows the Tech. Rep. to run paper passage and other tests. <Procedure> 1. Press the 1Key as necessary until “F” appears on the display. 2. Press the Start key to let the copier start the sequence.
  • Page 71 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Code Description <EEPROM Test> Checks EEPROM to determine if it is fully operational or not. Display Description <Sleep Mode> Carries out a test for Sleep function. <Original Scanning Position Contamination Test (AF-8)>...

  • Page 72: Tech. Rep. Choice

    FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Tech. Rep. Choice • Allows the Tech. Rep. to make the settings for the various service functions. <Procedure> 1. Press the 1Key as necessary to select the desired Tech. Rep. Choice code.

  • Page 73: Adjust

    FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Choice Code Setting (The default is Highlighted <Data Clear> Use to clear the counters and initialize the various types of setting data. <Procedure> 1. Using the 10Key and 1Key, select the desired function.
  • Page 74 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Adjust • Used for adjustments to be made before shipment at the factory. <Procedure> 1. Press the 1Key as necessary to select the desired Adjust code. 2. Press the Start key to validate the Adjust code. At the same time, currently set data is displayed.
  • Page 75 FrameMaker Ver5.5E(PC) Di151 SWITCHES ON PWBs/TECH. REP. SETTINGS 2000.02.03 Adjust Code Setting (The default is Highlighted <Zoom Adjustment in FD Direction (AF-8)> Adjust the zoom ratio in the FD direction on the IR side (when the Automatic Document Feeder is used).
  • Page 76 FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 TROUBLESHOOTING 10794...
  • Page 77 FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 CONTENTS 1. INTRODUCTION .....................T-1 1-1. Reading the Text ..................T-1 2. PAPER TRANSPORT FAILURE ..............T-2 2-1. Paper Misfeed ..................T-2 2-2. Size Error ....................T-2 2-3. Misfeed Detection Sensor Layout ............T-3 2-4. Types of Misfeed Detection and Detection Timings ........ T-3 2-5.
  • Page 78 FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 (12) Rough image ................... T-25 (13) Periodically uneven image ............... T-26...

  • Page 79: Introduction

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 INTRODUCTION 1-1. Reading the Text 1. The paper transport failure troubleshooting procedures are given according to the symptom. First, identify the location of the paper is present and start the procedure for that particular location. For malfunction troubleshooting, start with step 1 and onward.

  • Page 80: Paper Transport Failure

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 PAPER TRANSPORT FAILURE 2-1. Paper Misfeed When a paper misfeed occurs, the display shows both the misfeed location and paper loca- tion. Misfeed/Paper Location Action Ref. Item Copier paper take-up 2-5. (1) Manual bypass paper take-up 2-5.

  • Page 81: Misfeed Detection Sensor Layout

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 2-3. Misfeed Detection Sensor Layout Paper Exit Sensor PS3 Paper Take-Up Sensor PS1 4007T001AA 2-4. Types of Misfeed Detection and Detection Timings • The following lists the types of misfeed detection and detection timings for different mis- feed locations within the copier.

  • Page 82: Misfeed Clearing Procedures

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 2-5. Misfeed Clearing Procedures Copier/Manual Bypass Paper Take-Up Misfeed Relevant Electrical Parts Paper Take-Up Sensor PS1 Master Board PWB-A Paper Take-Up Solenoid SL1 PJ8A-1(ANODE PS1) PJ8A-2(GND) PJ8A-3(PS1 ON) PWB-A 4007C02TAB Copier/Manual Bypass Paper Take-Up Misfeed Clearing Procedure •...

  • Page 83: Transport Misfeed

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Transport Misfeed Relevant Electrical Parts Paper Take-Up Sensor PS1 Master Board PWB-A Paper Exit Sensor PS3 PJ8A-1(ANODE PS1) PJ8A-2(GND) PJ8A-3(PS1 ON) PJ8A-4(ANODE PS3) PJ8A-5(GND) PJ8A-6(PS3 ON) PWB-A 4007C03TAB Transport Misfeed Clearing Procedure • Paper has stopped near the PC Drum.

  • Page 84: Exit Misfeed

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Exit Misfeed Relevant Electrical Parts Paper Exit Sensor PS3 Master Board PWB-A PJ8A-4(ANODE PS3) PJ8A-5(GND) PJ8A-6(PS3 ON) PWB-A 4007C04TAB Exit Misfeed Clearing Procedure • Paper has stopped at the exit section. Step Check Result Action Paper Exit Roller rotation Correct drive coupling.

  • Page 85: Paper Take-Up Misfeed

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 PF-116 Paper Take-Up Misfeed Relevant Electrical Parts Paper Take-Up Sensor PS1 Master Board PWB-A Paper Take-Up Solenoid SL5 CN3 PJ4 PJ8A-1(ANODE PS1) PJ8A-2(GND) PJ8A-3(PS1 ON) CN15 PJ11A-7(DC24V) PJ11A-8(FEED2) PWB-A 4007C05TAB PF-116 Paper Take-Up Misfeed Clearing Procedure •...

  • Page 86: Malfunctions

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 MALFUNCTIONS The copier’s CPU is equipped with a self-diagnostic function that, on detecting a malfunc- tion, gives the corresponding malfunction code on the display. Resetting a Malfunction • Turn OFF and then ON the power switch.
  • Page 87 FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Code Description Detection Timing C1200 System memory failure A memory test error is detected during the power-on initialization procedure. C1300 Polygon Motor malfunc- • During the period 6 s after the Polygon Motor has tion...

  • Page 88: Troubleshooting Procedures

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 3-2. Troubleshooting Procedures C0000: Main Motor’s Failure to Turn Relevant Electrical Parts Main Motor M1 Master Board PWB-A PWB-A PJ6A-1(GND) PJ6A-2(DC24V) PJ6A-3(M1 ON) PJ6A-4(M1 LOCK) 4007C06TAB C0000 Step Check Result Action Main Motor turns after the malfunction has Correct drive.

  • Page 89: C0045: Fusing Section Cooling Fan Motor's Failure To Turn C0049: Ph Section Cooling Fan Motor's Failure To Turn

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 C0045: Fusing Section Cooling Fan Motor’s Failure to Turn C0049: PH Section Cooling Fan Motor’s Failure to Turn Relevant Electrical Parts Fusing Section Cooling Fan Motor M3 Power Supply Board PU1 PH Section Cooling Fan Motor M5...

  • Page 90: C0200: Hv Output Failure

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 C0200: HV Output Failure Relevant Electrical Parts High Voltage Unit HV1 Master Board PWB-A PJ10HV-11 PJ4A-1(DC5V) PJ10HV-10 PJ4A-2(SS_H/L_CTL) PJ10HV-9 PJ4A-3(T_VR) PJ10HV-8 PJ4A-4(HV_REM) PJ10HV-7 PJ4A-5(T_MON) PJ10HV-6 PJ4A-6(B_MON) PJ10HV-5 PJ4A-7(B_REM) PJ10HV-4 PJ4A-8(C_REM) PJ10HV-3 PJ4A-9(C_MON) PJ10HV-2 PJ4A-10(GND) PJ10HV-1...

  • Page 91: C0500: Warm-Up Failure C0510: Abnormally Low Fusing Temperature C0520: Abnormally High Fusing Temperature

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 C0500: Warm-up Failure C0510: Abnormally Low Fusing Temperature C0520: Abnormally High Fusing Temperature Relevant Electrical Parts Fusing Heater Lamp H1 Power Supply Board PU1 Thermoswitch TS1 Master Board PWB-A Thermistor TH1 PJ7A-1(DC24V IN) PJ31-1 PJ31-10...

  • Page 92: C0650: Scanner Motor's Failure To Turn, Scanner Home Position Sensor Malfunction

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 C0650: Scanner Motor’s Failure to Turn, Scanner Home Position Sensor Mal- function Relevant Electrical Parts Scanner Motor M6 Control Board PWB-I Scanner Home Position Sensor PS5 PJ31-1(DC24V) JP9-1(A) PJ31-3(DC15V) JP9-2(A/) PJ31-5(DC-9V) JP9-3(B) PJ31-7(GND) JP9-4(B/) JP14-1(PS5 ON)

  • Page 93: C14A3: Exposure Lamp Malfunction

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 C14A3: Exposure Lamp Malfunction Relevant Electrical Parts Scanner Control Board PWB-I Scanner Interface Board PWB-S PJ31-1(DC24V) PJ31-3(DC15V) PJ1A-1 PWB-I PJ31-5(DC-9V) PJ1A-2 PJ1A-3 PJ31-7(GND) PJ1A-4 PJ1A-5 PJ32-2(DC5V) PWB-A PJ1A-6 PJ32-3(DC5V) PJ1A-7 PJ32-4(GND) PJ1A-8 PJ32-6(DC5V REM/SLP) PJ1A-9...

  • Page 94: C1300: Polygon Motor Malfunction

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 C1200: System Memory Failure C1300: Polygon Motor Malfunction C133B: Option Communications Error C13F0: SOS Detection Failure C1468: Hardware (EEPROM) Malfunction • These malfunctions are detected mainly when there is a fault occurring in software, hard- ware, or communications.

  • Page 95: Power Failure

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Power Failure Relevant Electrical Parts Power Supply Board PU1 Control Board PWB-I Power Switch S1 Master Board PWB-A Upper Unit Interlock Switch S2 PJ30-2(DC24V OUT) PWB-A PJ7A-1 (DC24V IN) Plug PJ7A-2 (GND) PJ7A-3 (GND) PJ7A-4 (DC5V)

  • Page 96: Image Failure

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 IMAGE FAILURE 4-1. Image Failure Troubleshooting • In this chapter, troubleshooting is divided into “initial checks” and “troubleshooting proce- dures classified by image failures.” • If any image failure has occurred, first make the initial checks; then proceed to the corre- sponding image failure troubleshooting procedure.

  • Page 97: Troubleshooting Procedures Classified By Image Failure

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 4-3. Troubleshooting Procedures Classified by Image Failure • Image Failure Samples 1. Blank copy 2. Black copy 3. Low image density 4. Foggy background 5. Black streaks or bands 6. Black spots 7. Blank streaks or bands 8.

  • Page 98: Blank Copy

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Blank copy Section Step Check Result Action There is drive to the Imaging Correct or change drive cou- Cartridge (I/C). pling. I/C shutter opens and closes Correct. (at the PC Drum). Laser shutter (located in the Correct.

  • Page 99: Low Image Density

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Low image density Section Step Check Result Action Toner has run out. YES Change I/C. The image transfer current ter- YES Clean. minal is dirty. The Image Transfer Roller is YES Change. deteriorated. The developing bias terminal YES Clean.

  • Page 100: Black Streaks Or Bands

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Black streaks or bands Section Step Check Result Action PC Drum is dirty. YES Clean. Sleeve Roller is contaminated YES Clean. with foreign matter and caked toner. Engine Toner spilled over areas inside YES Change I/C.

  • Page 101: Blank Streaks Or Bands

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Blank streaks or bands Section Step Check Result Action PC Drum is dirty. YES Clean. Sleeve Roller is dirty. YES Clean. Image Transfer Roller is YES Change. scratched. Fusing Roller is scratched or YES Clean or change.

  • Page 102: Smear On Back

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 Smear on back Section Step Check Result Action Size error occurs (“H2” dis- YES Set paper size. played). Image Transfer Roller is dirty. YES Clean. Toner spilled over areas inside YES Change I/C. Engine copier.

  • Page 103: (11) Gradation Reproduction Failure

    FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 (11) Gradation reproduction failure Section Step Check Result Action Wiring between the PH Unit YES Change PH Unit and Master and Master Board is con- Board. Engine nected. Connect. Original Glass is dirty. YES Clean.
  • Page 104 FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING 00.03.10 (13) Periodically uneven image Section Step Check Result Action Sleeve Roller drive gear is YES Clean. cracked or contaminated with Change I/C. foreign matter. Developing Unit drive gear is YES Clean. cracked or contaminated with Change I/C.
  • Page 105 Copyright 2000 MINOLTA Co., Ltd. Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information. MINOLTA Co., Ltd. 4007-7991-11 00051800 18605...

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