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CONTENTS
OPTION
1. MAIN BODY
PRODUCT SPECIFICATIONS .................................... 1-1
[1] Type ................................................................. 1-1
[2] Function ........................................................... 1-1
[3] Particulars of Machine ...................................... 1-1
[4] Maintenance ..................................................... 1-1
[5] Operating Environment .................................... 1-1
CENTER CROSS-SECTION ....................................... 1-2
DRIVE SYSTEM SECTION ......................................... 1-3
[1] Main Drive ........................................................ 1-3
[2] ADU Nip Roller Drive ....................................... 1-3
MAIN DRIVE SECTION ............................................... 1-4
[1] Construction ..................................................... 1-4
[2] Mechanism ....................................................... 1-4
[3] Disassembly and Assembly ............................. 1-5
[5] Paper Exit Gate Control ................................. 1-13
[6] Paper Feed Control ........................................ 1-13
ADU NIP ROLLER DRIVE SECTION ........................ 1-14
[1] Construction ................................................... 1-14
[2] Mechanism ..................................................... 1-14
[3] Disassembly and Reassembly ....................... 1-16
[4] ADU Control ................................................... 1-21
LCT/PFU SECTION ................................................... 1-23
[1] Construction ................................................... 1-23
[2] Mechanism ..................................................... 1-23
[3] Disassembly and Reassembly ....................... 1-24
[4] LCT Lift Control .............................................. 1-28
2. DIAGRAMS
DB-307/107/607 ELECTRICAL PARTS LAYOUT
DRAWING ................................................................... 2-1
DB-307/107/607 CONNECTOR LAYOUT DRAWING . 2-3
DB-307/107/607 OVERALL WIRING DIAGRAM ......... 2-5
DRIVE BOARD CIRCUIT DIAGRAM .......................... 2-6
DB-307/107 ADU FACE SIDE TIMING CHART
(A4, 2 sheets stacking) ............................................ 2-7
DB-307/107 ADU BACK SIDE TIMING CHART
(A4, 2 sheets Re-feed) ............................................. 2-8
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Summary of Contents for Konica Minolta 2223
- Page 1 CONTENTS OPTION 1. MAIN BODY PRODUCT SPECIFICATIONS ........1-1 [1] Type ..............1-1 [2] Function ............1-1 [3] Particulars of Machine ........1-1 [4] Maintenance ............. 1-1 [5] Operating Environment ........1-1 CENTER CROSS-SECTION ........1-2 DRIVE SYSTEM SECTION ......... 1-3 [1] Main Drive ............
- Page 2 PRODUCT SPECIFICATIONS PRODUCT SPECIFICATIONS [1] Type [4] Maintenance Type: ADU None-stack type (paper conveyance/ Maintenance: Same as the main unit changeover with nip rollers) Service life: Same as the main unit Tray paper feed (front loading) [5] Operating Environment Tray paper feed (front loading) Temperature: 10˚C to 33˚C [2] Function Humidity:...
- Page 3 DB-307 CENTER CROSS-SECTION CENTER CROSS-SECTION from main body to main body Changeover conveyance section Conveyance rollers (Upper) LCT paper feed roller ADU nip rollers LCT tray Conveyance rollers ADU section (Middle) Conveyance rollers (Lower) ADU stacker section PFU paper feed roller PFU tray...
- Page 4 DB-307 DRIVE SYSTEM SECTION DRIVE SYSTEM SECTION [1] Main Drive Changeover Changeover conveyance roller 1 conveyance roller 2 Drive gear Changeover of main body conveyance roller 3 LCT paper feed roller (ADU Conveyance Drive) Drive gear of main body Conveyance roller (LCT/PFU Conveyance Drive) (Upper) Conveyance roller...
- Page 5 MAIN DRIVE SECTION MAIN DRIVE SECTION [1] Construction Changeover Changeover conveyance roller 1 conveyance roller 2 Drive gear Changeover of main body conveyance roller 3 LCT paper feed roller (ADU Conveyance Drive) Drive gear of main body Conveyance roller (LCT/PFU Conveyance Drive) (Upper) Conveyance roller (Middle)
- Page 6 MAIN DRIVE SECTION [3] Disassembly and Assembly Papers fed to the ADU are held by the nip rollers and stored in the stack section up to 10 sheets. Caution: Disconnect the power cable plug from the wall outlet. 1. Removing/reinstalling the ADU Conveyance Unit (Lower) a.
- Page 7 MAIN DRIVE SECTION (4) Remove the four set screws, then remove the ADU (6) Reinstall the guide in the reverse order of removal, but guide unit. the following should be carefully executed. Note: ADU Guide unit 1. Make sure the holes in the ADU gate solenoid (SD103) are aligned with the two locating pins.
- Page 8 MAIN DRIVE SECTION 2. Removing/reinstalling the ADU conveyance guide (4) Remove the main body tray, two set screws, and the (Upper) lower main body cover (left). a. Procedure (1) Open the upper main body. Set screws (2) Remove the four set screws, then remove the Exit disk mounting plate and the exit tray.
- Page 9 MAIN DRIVE SECTION (7) Open the ADU left door, and remove the four set screws, (9) Disconnect the relay connector (CN118) for the ADU then remove the reinforcement plate. conveyance 1 PS (PS101), then remove the ADU con- veyance guide (Upper). Reinforcement plate Relay connector (CN118) ADU left door...
- Page 10 MAIN DRIVE SECTION (4) Disconnect the connector (CN235) from the ADU paper (8) Remove the four set screws, then remove the change- exit PS (PS102). over conveyance guide 2. (5) Remove the harnesses for LCT solenoid (SD104) and Set screws ADU left door interlock switch (MS102) from the harness clamps.
- Page 11 MAIN DRIVE SECTION (10) Remove the gear by removing the E-ring, then remove (12) Remove the two set screws, then remove the change- the fulcrum screw and plain washer. over conveyance guide 4. Gear Set screws Plain washer Fulcrum screw E-ring Changeover conveyance guide 4 (11) Slide the LCT out to the front, and remove the fulcrum...
- Page 12 MAIN DRIVE SECTION 4. Removing/reinstalling the LCT paper feed roller (5) Remove the E-ring and bushing from the front side of the a. Procedure LCT paper feed roller shaft, ten take the LCT paper feed, roller unit out. (1) Remove the DB rear cover. (2) Remove the LCT tray.
- Page 13 MAIN DRIVE SECTION 5. Removing/reinstalling the PFU paper feed roller (6) Remove the lock and the paper feed roller from each of a. Procedure the shaft. (1) Remove the DB rear cover. Paper feed roller (2) Remove the LCT tray. (3) Remove the PFU tray.
- Page 14 MAIN DRIVE SECTION [5] Paper Exit Gate Control [6] Paper Feed Control 24V DC 217-1 SD104 SD104 DRIVE 217-2 24V DC 103-1 SD103 SD103 DRIVE 103-2 24V DC 215-A1 SD105 SD105 DRIVE 215-A2 ADU DB The paper exit gate is driven by SD103 (ADU gate solenoid). Paper is fed from the LCT or PFU by transmitting the drive force The SD103 is controlled by the CB (control board) of the main from M1 (main motor) to the paper feed roller using SD104 (LCT...
- Page 15 ADU NIP ROLLER DRIVE SECTION ADU NIP ROLLER DRIVE SECTION [1] Construction ADU changeover gate Nip roller elevating cam Nip rollers (16) Changeover/ clutch lever ADU drive motor (M101) ADU changeover solenoid (SD101) ∗1. Stacking operation when copying first side [2] Mechanism The nip roller is rotated by the main motor (M1) of the main Mechanism...
- Page 16 ADU NIP ROLLER DRIVE SECTION ∗2. Paper changeover operation When specified period elapses after the ADU paper con- veyance 1PS (PS101) detects the trailing end of the paper. When the copy button is ON for the back side copying, the The ADU changeover solenoid (SD101) is turned ON, and ADU drive motor (M101) is rotated for a specified period.
- Page 17 ADU NIP ROLLER DRIVE SECTION [3] Disassembly and Reassembly By repeating the above operation at 2.6 seconds interval, all papers in the stack section are fed to the main body through Caution: Disconnect the power cable plug from the wall the changeover section.
- Page 18 ADU NIP ROLLER DRIVE SECTION (4) Remove the E-ring, then remove the gear and pin. (7) Remove the gear bracket. (5) Remove the 3 E-ring, then remove the 3 bushing. Bushing E-ring E-ring E-ring/Bushing Gear Gear bracket E-ring/Bushing (8) Reinstall the bracket in the reverse order of removal, but (6) Remove the spring and four set screws.
- Page 19 ADU NIP ROLLER DRIVE SECTION 2. Removing/reinstalling the stack guide plate (5) Disconnect the connectors (CN230, CN205) from the a. Procedure ADU no paper detecting PS (PS1010S) and ADU paper (1) Remove the ADU changeover conveyance guide plates HP PS (PS109), and remove the stack guide plate from the top of this machine.
- Page 20 ADU NIP ROLLER DRIVE SECTION 3. Removing/reinstalling the nip rollers (3) Remove the two springs (front and back) from the wires a. Procedure and remove the 16th nip roller. (1) Remove the stack guide plate. (2) Move the nip rollers at the home position side to the 16th nip roller stack side by turning the ADU drive motor (M101) by hand, then remove them through the nip roller round...
- Page 21 ADU NIP ROLLER DRIVE SECTION 4. Removing/reinstalling the nip roller elevating (5) Remove the four set screws, then remove the nip roller cams. elevating cam (front). a. Procedure Nip roller elevating cam(front) (1) Remove the nip rollers. (2) Remove the DB left side cover. (3) Remove the two set screws, then remove the ADU front door.
- Page 22 ADU NIP ROLLER DRIVE SECTION [4] ADU Control 3) M101 (ADU drive motor) When the normal rotation of the M101 starts, the nip roller (that has already nipped the paper) is forced to shift to the stacker side with the help of the elevating cams.
- Page 23 ADU NIP ROLLER DRIVE SECTION 2. Signal a. Input signal (1) PS107 (PS107 → ADUDB) This is the signal for the nip roller home position. [L]: Nip roller home position [H]: Nip roller out of home position (2) PS106 (PS106 → ADUDB) This is the signal for cam one turn.
- Page 24 LCT/PFU SECTION LCT/PFU SECTION [1] Construction LCT tray PFU tray [2] Mechanism When the LCT tray is drawn, the gears are disengaged and the paper lift plate lowers due to the paper weight. Mechanism Method paper feed roller Paper feed ∗1 LCT paper lift LCT motor/gear/wire drive...
- Page 25 LCT/PFU SECTION [3] Disassembly and Reassembly (3) Disconnect the auxiliary wire from the drive auxiliary Caution: Disconnect the power cable plug from the wall spring. outlet. 1. Removing/reinstalling the PFU tray. Auxiliary wire a. Procedure (1) Remove the set screw, then remove the tray fixation material.
- Page 26 LCT/PFU SECTION (5) Remove the two E-rings and pulleys, then remove the (7) Remove the two E-rings and pulleys, then remove the two rear wires. two front wires. Rear wire Front wire Pulley Pulley E-ring E-ring Rear wires Front wires (6) Disconnect the two front wires from the drive shaft by (8) Pass two new wires through the holes in the front of the removing the E-ring and drive pulley...
- Page 27 LCT/PFU SECTION (9) Insert the ends of the front wires into the holes in the (11) Insert the ends of a new auxiliary wire and the rear wires drive shaft, install the drive pulley and secure it with the into the holes in the drive shaft, install the drive pulley E-ring.
- Page 28 LCT/PFU SECTION (13) Wind the auxiliary wire four turns counterclockwise (15) Loosen the set screw and adjust inclination of the paper around the drive pulley. tray by moving the adjuster, then tighten the set screw. 4turns Set screw Adjuster Drive pulley (Rear) Auxiliary wire (14) Connect the auxiliary wire to the drive auxiliary spring (16) Reinstall the tray front cover with the four set screws.
- Page 29 LCT/PFU SECTION [4] LCT Lift Control 2. Signal a. Input signal (1) PS114 (PS114 → ADUDB) This is the LCT tray insertion detection signal. LCT-OUT1 215-B1 M102 LCT-OUT2 215-B2 [L]: LCT tray insertion detected ADUDB [H]: LCT tray not detected 5V DC2 216-1 (2) PS110 (PS110 →...
- Page 30 DIAGRAMS DB-307/107/607 ELECTRICAL PARTS LAYOUT DRAWING 1. Switches and sensors 1 MS101 ADU front door inter lock switch (DB-307/107) 11 PS109 ADU paper HP PS (DB-307/107) 2 MS102 ADU lower conveyance door inter lock switch 12 PS1010S ADU no paper detection PS (DB-307/107) (DB-307/107) 13 PS1010L ADU no paper detection PS LED (DB-307/107)
- Page 31 DIAGRAMS 2. Motors, solenoids, lamps, heaters, and board 1 M101 ADU drive motor (DB-307/107) 2 M102 LCT motor (DB-307/607) 3 SD101 ADU changeover solenoid (DB-307/107) 4 SD102 ADU drive solenoid (DB-307/107) 5 SD103 ADU gate solenoid (DB-307/107) 6 SD104 LCT solenoid (DB-307/607) 7 SD105 LCT paper feed solenoid (DB-307/607) 8 ADUDB...
- Page 32 DIAGRAMS DB307/107/607 CONNECTOR LAYOUT DRAWING...
- Page 33 How to see the diagram 1. The signals shown reflect levels present under normal Idling conditions with the main switch turned ON. ADU FRONT DOOR 2. Wiring symbols in the figure are as INTER LOCK SWITCH follows. MS101 220-2 Symbol FPU PAPER SIZE 50-1 DETECTION BOARD...
- Page 34 Time (sec) COPY ON Symbol Item Main Motor Paper Exit PS SD103 ADU Gate Solenoid PS101 ADU Paper Conveyance 1 PS PS106 ADU Cam PS 0.9 s 0.9 s SD101 ADU Changeover Solenoid 0.9 s 0.9 s SD102 ADU Drive Solenoid 0.9 s 0.9 s M101...
- Page 35 Time (sec) COPY ON Symbol Item Main Motor SD103 ADU Gate Solenoid 2.6 s PS101 ADU Paper Conveyance 1 PS PS106 ADU Cam PS SD101 ADU Changeover Solenoid SD102 ADU Drive Solenoid M101 ADU Drive Motor PS1010 ADU No Paper Detection PS M101: Normal (Reverse rotation) Deceleration...
- Page 36 Time(sec) COPY ON Symbol Item Main motor 1925ms 1725ms 4700ms Optics Drive 1770ms 1770ms Optics F/R Optics Home Position Sensor Optics Brake Sensor 1550ms Exposure Lamp 1900ms 1900ms 1646ms BIAS Bias 2000ms 2000ms Charge Elimination LED Charge erasure in 1607ms 525ms non-image area.