Canon ir 1023 /feed problem

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  • cucuklotz
    Senior Tech

    Site Contributor
    500+ Posts
    • Mar 2007
    • 611
    #1

    Canon ir 1023 /feed problem

    HI,
    Everything else seems ok but both the cassette and bypass feeds are not working. IT is electrical problem as both bypass and cassette FEED SLOLENOIDS are not activating.ANY HELP APPRECIATED.
    THANKS ANDY
    Tags: None
    • teckat
      Field Supervisor

      Site Contributor
      10,000+ Posts
      • Jan 2010
      • 16083
      #2
      Re: Canon ir 1023 /feed problem

      Originally posted by cucuklotz
      HI,
      Everything else seems ok but both the cassette and bypass feeds are not working. IT is electrical problem as both bypass and cassette FEED SLOLENOIDS are not activating.ANY HELP APPRECIATED.
      THANKS ANDY


      jam codes ??????????????
      **Knowledge is time consuming, exhausting and costly for a trained Tech.**

        Comment

        • cucuklotz
          Senior Tech

          Site Contributor
          500+ Posts
          • Mar 2007
          • 611
          #3
          Re: Canon ir 1023 /feed problem

          HI,
          I didnt check jam codes l.Neither the bypass feed rollers are the cassette rollers are turning(their respective solonoids do not activate)so I would imagine any jam code on machine would be one indicating paper didnt even leave trays.I noticed both solonoids seem to be tied into one board in back ( not main board),but I have no experience on the machine other than basic maintenance and mechaninal problems.Thank you for response and any additional help or your ideads would be welcomed
          THANK YOU
          If you can think of any possibilities please let me know.

            Comment

            • teckat
              Field Supervisor

              Site Contributor
              10,000+ Posts
              • Jan 2010
              • 16083
              #4
              Re: Canon ir 1023 /feed problem

              Originally posted by cucuklotz
              HI,
              I didnt check jam codes l.Neither the bypass feed rollers are the cassette rollers are turning(their respective solonoids do not activate)so I would imagine any jam code on machine would be one indicating paper didnt even leave trays.I noticed both solonoids seem to be tied into one board in back ( not main board),but I have no experience on the machine other than basic maintenance and mechaninal problems.Thank you for response and any additional help or your ideads would be welcomed
              THANK YOU
              If you can think of any possibilities please let me know.
              When the main power switch (SW1) is turned on, AC power is supplied to the low-voltage power supply circuit in the power supply PCB.
              The low-voltage power supply circuit supplies +3.3 V, +5 V, and +24 V to operate the machine.
              +24 V is supplied to the motors, fan, electromagnetic clutch, solenoid, etc. +5 V and +3.3 V are supplied to the DC controller PCB, image processor PCB, anlog
              processor PCB.
              There are two types of +24 V voltages: +24 VR which is normaly supplied from the low voltage power supply and +24 VU which is cut off when the left door is opened. The +24VU is supplied to the DC controller PCB and main motor. The +24 VU also plays the role of a door open detection signal (DOPEN). This signal allows the CPU to detect that the left door has opened.

              Power supply PCB Generates DC power from AC power.
              Main power switch (SW1) Supplies AC power to the power supply PCB.
              Interlock switch (SW2/SW3) Detects opening/closing of the left door and front cover, and cuts
              off +24 VR.


              Cassette Pick-Up Unit
              Paper is picked up from the cassette under the control of the CPU on the DC controller PCB and using the drive of the main motor (M1). When the cassette pickup solenoid (SL2) goes ON, the drive of the main motor (M1) is transmitted to the cassette pickup roller assembly to rotate the cassette pickup roller.

              When the cassette pickup roller rotates, a single sheet of paper is separated from the stack by the separation claws of the cassette, and is sent as far as the registration
              roller by way of the feed roller.
              After the paper passes a registration sensor (SR11), the paper reaches the registration roller. At this time the registration roller is at rest, causing the leading edge of the paper to butt against it to form an arch.
              The DC controller PCB turns on the registration clutch (CL1) at specific timing to transmit the drive of the main motor to the registration roller, thereby moving the paper ahead. The paper reaches the delivery tray after moving through the transfer, separation, and fixing/delivery assemblies.
              The deliver tray has a delivery paper full sensor (SR10) to detect that the delivered sheets are stacked fully.
              When the total height of the delivered sheets reaches the specified value and the delivery paper full sensor (SR10) turns on, this machine detects occurrence of an error and displays an error message on the LCD.

              Retry Pickup
              If the registration sensor (SR11) does not detect paper within a specific period of time after the cassette pickup roller has started to rotate, the machine will start to rotate the cassette pickup roller once again to execute a retry pickup operation.
              If the registration sensor (SR11) still does not detect paper within a specific period of time after executing a retry pickup 3 times, the machine will identify the condition as a jam and will indicate a jam message on the LCD of its control panel.

              Manual Feed Pickup Unit
              feed pickup solenoid (SL5) goes ON, the drive of the main motor (M1) is transmitted as far as the
              manual feed pickup roller assembly to rotate the manual feed pickup roller.
              The sheets of paper stacked in the manual feed tray are lifted by the work of a spring and forced against the manual feed pickup roller. Thereafter, a single sheet of paper is separated by the work of the manual feed pickup roller and the separation pad, and is moved as far as the registration roller.

              After the paper passes a registration sensor (SR11), the paper reaches the registration roller. At this time the registration roller is at rest, causing the leading edge of the paper to butt against it to form an arch.
              The DC controller PCB turns on the registration clutch (CL1) at specific timing to transmit the drive of the main motor to the registration roller, thereby moving the paper ahead. The paper reaches the delivery tray after moving through the transfer, separation, and fixing/delivery assemblies.
              The deliver tray has a delivered paper full sensor (SR10) to detect that the delivered sheets are stacked fully.
              When the total height of the delivered sheets reaches the specified value and the delivered paper full sensor (SR10) turns on, this machine detects occurrence of an error and displays an error message on the LCD.

              SL2 Cassette pickup solenoid Drives the cassette pickup roller.---(Relay PCB)
              SL5 Manual pickup solenoid Drives the manual pickup roller.------ (Relay PCB)
              **Knowledge is time consuming, exhausting and costly for a trained Tech.**

                Comment

                • cucuklotz
                  Senior Tech

                  Site Contributor
                  500+ Posts
                  • Mar 2007
                  • 611
                  #5
                  Re: Canon ir 1023 /feed problem

                  Thank you ,
                  i will let you know
                  andy

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