Konica Minolta AFR-12 General, Mechanical/Electrical
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Konica Minolta AFR-12 General, Mechanical/Electrical

Konica Minolta AFR-12 General, Mechanical/Electrical

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ENERAL
ECHANICAL
E
LECTRICAL
Rev. 1.0/05.99
Table Of Contents-1
AFR-12/AF-5

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Summary of Contents for Konica Minolta AFR-12

  • Page 1 ENERAL ECHANICAL LECTRICAL Rev. 1.0/05.99 Table Of Contents-1 AFR-12/AF-5...
  • Page 2 1.9.2 Turnover/Exit Document Transport Mechanism - - - - - - - - - - 21 1.9.3 Turnover/Exit Switching Mechanism (AFR-12) - - - - - - - - - - 23 1.9.4 Exit Mechanism (AF-5) - - - - - - - - - - - - - - - - - - - - - - - - - - - 24...
  • Page 3 1.10.1 Document Size Detection Mechanism - - - - - - - - - - - - - - - - 25 1.10.2 Raised/Lowered Position Detecting Mechanism - - - - - - - - - 25 Rev. 1.0/05.99 Table Of Contents-3 AFR-12/AF-5...

  • Page 4: Installation

    Scanning (2-in-1) Modes: 50 to 100 g/m² 2-Sided Mode: 60 to 90 g/m² Mixed Original Mode: 60 to 90 g/m² Single Feed Mode: AFR-12 · 35 to 200 g/m², AF-5 · 35 to 157 g/m² DETECTABLE A3L, B4L, A4LC, B5LC, A5L, 11" x 17"L, 8-1/2" x 14"L, DOCUMENT SIZES 8-1/2"...
  • Page 5 The "Original Thickness" function of User’s Choice permits selection between the plain paper and thin paper mode. POWER SOURCE 24 VDC, supplied from the copier POWER AFR-12 · 60W or less/2.5A AF-5 · 48W or less/2A CONSUMPTION DIMENSIONS Width 627 mm <AFR-12> Depth 515 mm...
  • Page 6 DOCUMENTS FOR The following documents, if used in the WHICH AFR-12/AF-5, may or may not cause trouble. FEEDING CANNOT BE GUARANTEED. Type of Document Possible Trouble Slightly curled documents Dog-eared pages, ejection failure Heat-sensitive paper for facsimile Crease, ejection failure...

  • Page 7: Components Identification

    Components Identification <AF-5> <AFR-12> AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 8 1. Hookup Cord 2. Maintenance Cover 3. Take-Up Cover 4. Single Feed Tray 5. Document Feed Table 6. Turnover Cover Release Switch (AFR-12) 7. Turnover Cover (AFR-12) 8. Transport Belt 9. Magnet Catches 10. Guide Plate Release Lever (AF-5) Rev. 1.0/05.99...

  • Page 9: Cross Sectional View

    Cross-sectional View <AFR-12> 15 14 13 <AF-5> AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 10 13. Transport Belt Guide Roller 14. Transport Belt Driven Roller 15. Exit Roller 16. Turnover Roller 17. Turnover/Exit Sensor 18. Turnover/Exit Switching Plate 19. Exit Roll 20. Exit Transport Roll 21. Exit Sensor (S3) 22. Exit Transport Roller Rev. 1.0/05.99 AFR-12/AF-5...

  • Page 11: Drive System

    Drive System Turnover/ Take-Up/ Transport Mechanism Exit Mechanism Exit Mechanism <AFR-12> <AF-5> Take-Up Motor (M1) Exit Motor (M3) Turnover/Exit Motor (M3) Transport Motor (M2) Transport Belt Drive Mechanism AFR-12/AF-5 Rev. 1.0/05.99...

  • Page 12: Electrical Component Layout

    Manual Feed Take-up Sensor SOL4 Turnover/Exit Switching Solenoid PWB-E Turnover/Exit Sensor Document Detecting Sensor Take-Up Motor Feed Cover Set Switch Transport Motor Turnover Cover Set Switch Turnover/Exit Motor (AFR-12) Exit Sensor Exit Motor (AF-5) MICLK Document Feed Motor Pulse Sensor Rev. 1.0/05.99 AFR-12/AF-5...

  • Page 13: Description Of Modes

    The ADF automatically takes up and feeds in documents even when two or more documents are placed on the Single Feed Tray; However, it could result in a double feed or other faulty condition. Only one document should therefore be loaded. AFR-12/AF-5 M-10 Rev. 1.0/05.99...
  • Page 14 1.6.6 Thin Mode (As set by "Original Thickness" of User’s Mode) When in this mode, the ADF transports the document at a low speed and stops it without letting it hit against the Original Width Scale. Rev. 1.0/05.99 M-11 AFR-12/AF-5...
  • Page 15 Single Feed Transport Roller Document Pressure Solenoid (SOL2) Registration Driven Roller Document Stopper Solenoid (SOL1) Document Separator Roller Take-Up Motor (M1) Document Take-Up Roller Transport Motor Size Sensor (PWB-C) Registration Sensor (PWB-B) Document Stopper Guide Plate AFR-12/AF-5 M-12 Rev. 1.0/05.99...
  • Page 16 ADF. It is normally in the raised position, and is lowered at the start of pick-up motion. SOL1/2 Control SOL 1 and 2 are energized and de-energized by the signal output from IC3A on PWB-A. SOL1 IC3A-20 IC3A-21 SOL2 IC3A-16 (Stopper UP) (Stopper DOWN) Rev. 1.0/05.99 M-13 AFR-12/AF-5...
  • Page 17 Single Feed Tray and feeds it up to the registration roller. It is driven by the Take-Up Motor. The Take-Up motor (M1) rotates the Document Take-Up Roller, Document Separator Roller and Single Feed Transport Roller via Gears, Pulleys and Timing Belt. AFR-12/AF-5 M-14 Rev. 1.0/05.99...
  • Page 18 (M1 CLK). M1 pulses are applied to IC1A-74, and period A is maintained at the same length so that the motor rotates at a constant speed. Forward Backward Pin 65 (MIL1) Pin 66 (MUL2) Pin 67 (MIHI) Pin 68 (MIL2) Rev. 1.0/05.99 M-15 AFR-12/AF-5...
  • Page 19 The Separator Pad is designed to be pressed against the Separator Rollers. This ensures that documents are transported one by one even if two or more documents are fed from the Take-Up Roller. AFR-12/AF-5 M-16 Rev. 1.0/05.99...
  • Page 20 Transport Roller/Registration Roller begins to rotate to take up the document automatically even if the Start key is not pressed. Take-Up Motor (M1) Transport Motor (M2) Manual Feed Registration Drive Single Feed Take-up Sensor (PWB-D) Roller Transport Roller Rev. 1.0/05.99 M-17 AFR-12/AF-5...

  • Page 21: Document Transport Mechanism

    Whether M2 is turned forward or backward is determined by the combination of the following signals output from IC4 on PWB-A. Procedure Step1 Step2 Step3 Step4 Pin 2 Pin 3 Pin 6 Pin 7 Forward Rotation Backward Rotation AFR-12/AF-5 M-18 Rev. 1.0/05.99...
  • Page 22 Scale is pressed downward by the Original Width Scale Drive Lever and spring. SOL3 Control The SOL3 is energized and de-energized by the signal output from IC3A on PWB-A. SOL3 IC3A-14 Rev. 1.0/05.99 M-19 AFR-12/AF-5...
  • Page 23 Turnover/Exit Mechanism 1.9.1 Construction <AF-5> Exit Motor (M3) Exit Roller Scale Solenoid (SOL3) Exit Sensor (S4) Exit Transport Roller AFR-12/AF-5 M-20 Rev. 1.0/05.99...
  • Page 24 It is driven by the Turnover/ Exit Motor (M3). M3 turns both the Turnover Roller and Exit Roller. These rollers are turned in the same direction regardless of whether a document is turned over or ejected from the ADF. Rev. 1.0/05.99 M-21 AFR-12/AF-5...
  • Page 25 M3 Control Whether M3 is turned forward or backward is determined by the combination of the following signals output from IC13 or PWB-A. <AFR-12> Procedur IC13 Step1 Step2 Step3 Step4 Step5 Step6 Step7 Step8 Pin 2 Pin 3 Pin 6...
  • Page 26 1.9.3 Turnover/Exit Switching Mechanism (AFR-12) The turnover/exit switching mechanism uses the Turnover/Exit Switching Plate which is swung downward or upward to change the document path, thereby allowing the document to be turned over or ejected from the ADF. This plate is actuated by the Turnover/Exit Switching Solenoid (SOL4).
  • Page 27 If a document misfeed occurs in the document path of the exit mechanism, the Guide Plate Release Lever may be pressed downward using the tip of a screwdriver or similar device, thereby raising the Guide Plate to allow the user or Tech. Rep. to clear a document. AFR-12/AF-5 M-24 Rev. 1.0/05.99...
  • Page 28 ON and OFF by the magnet catch. Opening/closing the ADF serves to reset a misfeed condition and allows selection of a Test Mode operation. 1.10.3 Rev. 1.0/05.99 M-25 AFR-12/AF-5...
  • Page 29 ODES Rev. 1.0/05.99 Table Of Contents-1 AFR-12/AF-5...
  • Page 30 2.1.3 Sensor Check - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 2.1.4 Sensor Adjustment Check - - - - - - - - - - - - - - - - - - - - - - - - - - 9 AFR-12/AF-5 Table Of Contents-2...

  • Page 31: Test Modes

    Main Switch of the copier set to OFF and then Main Switch is ON. Test Mode SW1-6 Normal Mode 2. Various test modes are available. They can be selected by a combination of DIP switches (SW1-1 to 1-6). Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 32 Test Mode 1-sided Non-mixed Mode (high-speed) – – – 1-sided Mixed Mode (normal) – – – 2-sided Mode (AFR-12) – – – 2-in-1 Mode – – – The following two modes are available to allow the user to check the actual paper stop position by stopping the paper without allowing it to contact the Original Width Scale and then raising the Scale.
  • Page 33 If no fault is present, all the LEDs (LED1 to 4) will be OFF. Discription Take-up cover set is faulty. ADF set is faulty. Turnover (AFR-12) cover set is faulty. : For monotoring : Not lit : Lit up NOTE LED5 blinks at all times.
  • Page 34 Exit Motor Check Solenoid Check 3. Turn PSW1 ON to start the test. –Take-Up Motor Check– Number of Times PSW1 Operation is Turned ON Stop Forward rotation Stop Backward rotation : For monotoring : Not lit : Lit up AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 35 : Not lit : Lit up –Exit Motor Check– Number of Times PSW1 Operation is Turned ON Stop High-speed/ Rotation Stop Medium-speed/ Rotation Stop Low-speed/ Rotation Stop Eject-speed : For monotoring : Not lit : Lit up Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 36 –Solenoid Check– Number of Times PSW1 Operation is Turned ON Stop High-speed/ Rotation Stop Medium-speed/ Rotation Stop Low-speed/ Rotation Stop Eject-speed : For monotoring : Not lit : Lit up AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 37 LD2: Manual Feed Take-up Sensor (PWB-D) LD3: Registration Sensor (PWB-B) LD4: Exit Sensor (S4): AF-5 Turnover/Exit Sensor (PWB-E): AFR-12 – Cover Sensor Check – LD1: Feed Cover Set Sensor (S2) LD2: Size Reset Switch (S108) LD3: Turnover Cover Set Switch (S3): AFR-12 Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 38 LD3: Size Sensor (Front) LD4: Document Feed Motor Pulse Sensor (M1CLK) NOTE LD1, LD3 Japan Only LD4 (Document Feed Motor Pulse Sensor) lights up when the sensor is blocked, and goes out when the sensor is unblocked. AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 39 – Registration Sensor Adjustment – LED1 LED2 Sensor Status Initialized Upper-limit error Lower-limit error Adjustment complete – Exit Sensor Adjustment – LED3 LED4 Sensor Status Initialized Upper-limit error Lower-limit error Adjustment complete : Not lit : Lit up 2.1.5 Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 40 EASSEMBLY DJUSTMENT Rev. 1.0/05.99 Table Of Contents-1 AFR-12/AF-5...
  • Page 41 Do not leave the machine unattended while it is being energized. CAUTION To actuate an interlock switch with a cover removed or opened, be sure to use the interlock switch actuating jig. Use of folded paper can damage the interlock switch mechanism. AFR-12/AF-5 Table Of Contents-2 Rev. 1.0/05.99...
  • Page 42 “1-3. HANDLING OF THE PC DRUM.” To reassemble, reverse the order of disassembly unless otherwise specified. Note that replacement of a PWB may call for readjustments or resetting of particular items. Rev. 1.0/05.99 Table Of Contents-3 AFR-12/AF-5...
  • Page 43 BY THE MANUFACTURER. DISPOSE OF USED BATTERIES ACCORDING TO THE MANUFACTURER’S INSTRUCTIONS. ADVARSEL LITHIUMBATTERI - EKSPLOSIONSFARE VED FEJLAGTIG HÅNDTERING. UDSKIFTNING MÅ KUN SKE MED BATTERI AF SAMME FABRIKAT OG TYPE. LEVÅR DET BRUGLE BAFFERI TILBAGE TIL LEVERANDOREN. AFR-12/AF-5 Table Of Contents-4 Rev. 1.0/05.99...

  • Page 44: Dis /Reassembly , Adjustment

    Removal of the Document Transport Belt Push the lever to the left,, then snap off the C clip to release the Belt assy. Hold the top of the Transport Belt Assy and tilt the Assy towards you to remove it. Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 45 Remove two screws as shown in the figure, then bend the Exit Roller side toremove the Transport Belt. 3.1.2 Removal of the Document Take-Up Roller Assy Remove the Transport Belt, then remove the Cover and Document Stopper Guide Plate to remove the Take-Up Roller Assy. AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 46 3.1.3 Removal of the Document Take-Up and Separator Rollers Snap off the four C clips, then remove the rollers one by one. NOTE Take care not to lose the two pins attached to the Document Take-Up Roller. Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 47 3.1.4 Removal of the Separator Pad Open the Single Feed Single Feed Tray and Feed Cover, then remove four screws to remove the Feed Cover. Push each Separator Pad to slide it upwards and remove it. AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 48 Up Unit Assy. NOTE When reinstalling the Document Take-Up Unit Assy, make sure that the Feed Cover is open. Tighten the five screws lightly by hand, then tighten securely after the ADF is reinstalled on the copier. Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 49 3.1.6 Removal of the Turnover/Exit Assy (AFR-12) Remove the Transport Belt, Maintenance Cover and unplug the connectors from PWB-A as shown in the figure. Open the Turnover/Exit Cover and remove the screw. Remove the Cover and grounding wire (black). Remove five screws, open the Turnover/Exit Cover and lift out the Turnover/ Exit Unit Assy.
  • Page 50 Exit Unit Assy. 3.1.8 Removal of the Take-Up Motor/Transport Motor Unit Remove the Take-Up Unit Assy. Remove three screws, unplug from connectors, take out two wire saddles and a spring to remove the Motor Unit. Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 51 1. Remove the Transport Belt and two Screw Covers. (Push up from inside) 2. Set the Transport Belt and, close the ADF, loosen the Magnetic Catch adjusting screws, check the clearance of the Magnet Catch, then tighten the adjusting screws. AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 52 6. Check whether the document is aligned with the edge of the Document Positioning Plate. 7. If the document is off in direction "a", move the Document Feed Table towards you. If the document is off in direction "b", move the Document Feed Table towards the rear. Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 53 4. Check whether the document is aligned with the edge of the Document Positioning Plate. 5. If the document is off in direction "a", move the Single Feed Tray towards you. If the document is off in direction "b", move the Single Feed Tray towards the rear. AFR-12/AF-5 D-10 Rev. 1.0/05.99...
  • Page 54 6. Open the ADF gently and check whether the document is aligned with the edge of the Original Glass. 7. Set the service choice mode "c-31". 8. Referring to page D-17, adjust the document stop position. Rev. 1.0/05.99 D-11 AFR-12/AF-5...
  • Page 55 6. Open the ADF gently and check whether the document is aligned with the edge of the Original Glass. 7. Set the service choice mode "c-32". 8. Referring to page D-17, adjust the document stop position. AFR-12/AF-5 D-12 Rev. 1.0/05.99...
  • Page 56 6. Open the ADF gently and check whether the document is aligned with the edge of the Original Glass. 7. Set the service choice mode "c-33". 8. Referring to page D-17, adjust the document stop position. Rev. 1.0/05.99 D-13 AFR-12/AF-5...
  • Page 57 6. Open the ADF gently and check whether the 2nd document is positioned correctly in relation with the 1st document. 7. Set the service choice mode "c-34". 8. Referring to page D-17, adjust the document stop position. AFR-12/AF-5 D-14 Rev. 1.0/05.99...
  • Page 58 5. Open the ADF gently and check whether the document is aligned with the edge of the Original Glass. 6. Set the service choice mode "c-37". 7. Referring to page D-17, adjust the document stop position. Rev. 1.0/05.99 D-15 AFR-12/AF-5...
  • Page 59 6. Press the Reset key twice to return to the main screen. Stop Position Adjustment Table Deviatio Deviatio Setting Direction Setting Direction n (mm) n (mm) Moves in direction "a" Moves in direction "b" (towards the Original Width (towards the Take-Up Scale) Mechanism) Default AFR-12/AF-5 D-16 Rev. 1.0/05.99...
  • Page 60 NOTE After completion of adjustment, lift the Document Stopper Guide Plate to check that the Guide Plate is supported smoothly by the retaining force of the solenoid. Rev. 1.0/05.99 D-17 AFR-12/AF-5...
  • Page 61 Plate and Weight Lever is within the specified range. NOTE When moving the Solenoid, make sure that the Plunger is pushed towards the Solenoid and that there is no play between the Plunger and Weight Lever. AFR-12/AF-5 D-18 Rev. 1.0/05.99...
  • Page 62 1. Remove the Turnover/Exit Unit Assy and place it on a table upside down. 2. Loosen two screws. 3. Move the Solenoid up and down so that the exposed end of the Stopper Lever is within the specified length. 4. Tighten the two screws. Rev. 1.0/05.99 D-19 AFR-12/AF-5...
  • Page 63 3.2.13 Adjustment of Turnover/Exit Switching Solenoid SOL4 (AFR-12) 1. Remove the Turnover/Exit Unit Assy and place it on a table. 2. With sponge fitted to the Turnover/Exit Cover in contact with the Turnover/Exit Switching Plate, move the solenoid to the right and left to obtain a clearance "0"...
  • Page 64 Adjustment of the Separating Pressure of Document Separator Pad 1. Remove the Take-Up Unit Cover. 2. Loosen each screw and tighten it to an appropriate level. NOTE Make sure that the separating pressure of both pads is the same. Rev. 1.0/05.99 D-21 AFR-12/AF-5...
  • Page 65 6. Loosen the two screws that secure 2nd Separator Guide Plate in position. Raise the guide plate as far as it will go and, keeping the plate in that position, tighten the two screws. Separator Guide Plate 2nd Separator Guide Plate 3.2.16 AFR-12/AF-5 D-22 Rev. 1.0/05.99...
  • Page 66 ROUBLESHOOTING Rev. 1.0/05.99 Table Of Contents-1 AFR-12/AF-5...
  • Page 67 Misfeed Detection - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Troubleshooting Procedure - - - - - - - - - - - - - - - - - - - 2 AFR-12/AF-5 Table Of Contents-2...

  • Page 68: Troubleshooting

    Document staying on Glass (after Exit Sensor (PWB-E: AFR/12, S4: AF-5) is activated when a 1st operation) document is taken up and fed in. Misfeed at the Turnover/Exit Section (AFR-12 only) Description Detection Timing Document not reaching Exit Sensor S4 is not activated within approx. 0.5 sec. after Turnover/Exit Motor (PWB-E) (during ejection/turnover) (M3) is energized.

  • Page 69: Troubleshooting Procedure

    Troubleshooting Procedure AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 70 Check each gear for damage. Take-Up Motor (M1) to check whether it functions properly. Does the voltage across Replace M1. CN6-1 on PWB-A and GND Replace PWB-A. change from 24 VDC when the Start key is pressed? Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 71 VDC when the light is Replace PWB-D. blocked with a piece of paper? Is the tension of the Timing Adjust the tension and clean or Belt correct and the Manual replace the Roller. Feed Transport Roller clean? AFR-12/AF-5 Rev. 1.0/05.99...
  • Page 72 CN5-5 on PWB-A and GND Replace PWB-B. change from "H" to "L" when the light is blocked with a piece of paper? Is the tension of the Timing Adjust the tension of the Belt correct? Timing Belt. Rev. 1.0/05.99 AFR-12/AF-5...
  • Page 73 Turnover/Exit Sensor (PWB-D). Does the voltage across Replace PWB-A. (AFR-12) CN11-6 on PWB-A and Replace PWB-D. GND change from "H" to "L" when PWB-D is blocked with a piece of paper? Is the Turnover/Exit Roller Clean.
  • Page 74 CN3-3, 3-4 and 3-5 on Replace PWB-C. PWB-A and GND change from 5 VDC to 0 VDC when the light is blocked with a piece of paper? Does the actuator of PWB-C Repair or replace the actuator. operate properly? Rev. 1.0/05.99 AFR-12/AF-5...

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