KV-S7075C (serv.man2) - Panasonic Other Service Manuals Service Manual (repair manual). Page 116

116

U16 (Exit Jam1:
Paper did not pass
through the Ending

Sensor)

16 00 00 00 1. Document remains forward

    Ending Sensor.

Remove the document from the scanner.

2. Paper dust exists on or
   around the Ending Sensor.

1. Blow off the dust with the included
    accessory blower. (See Sec.7.2.)
2. Execute "Key / Sensor" and "Sensor
    Sensitive Level" tests in Sec.9.3.6 to
    check the sensor condition.

3. Mechanical problem (Exit
    Roller, Drive Belt,
    Conveyor)

1. Execute “Conveyor Motor” test in
    Sec.9.3.6 to check the mechanical
    condition.
2. Check whether the Drive Rollers (3, 4),
    Exit Roller, Drive Belt, and the
    conveyor to support the rollers are
    assembled properly in the scanner.
3. Check the surfaces of the Drive Rollers
    (3, 4), and of the Exit Roller.
        a. Configuration:
            Are the rollers swollen irregularly?
             

→ Replace the rollers.

        b. Whether the roller surfaces are
            dirty  

→ Clean the surfaces

4. Check whether the Drive Belt tension
    is proper. 

→ Re-adjust the belt tension.

U18 (Paper remains
in the scanner)

18

xx

00 00 1. Document remains in the

   scanner.

Remove the document from the scanner.

2. Paper dust exists on a
    sensor.

1. Execute “Key / Sensor” and “Sensor
    Sensitive Level” tests in Sec. 9.3.6 to
    define the sensor that results in this
    problem.
2. Blow off the dust on the surface of the
    sensor with the included accessory
    blower. (See Sec.7.2.)

3. A sensor does not work
    correctly.

1. Execute “Key / Sensor” and “Sensor
    Sensitive Level” tests in Sec. 9.3.6 to
    define the sensor that occurs this
    problem.
2. Check each sensor, its connection, and
    its monitor circuits.
      a. Waiting Sensor
         

→ See the 5th item of “U11”.

      b. Starting Sensor
         

→ See the 3rd item of “U12”.

      c. Skew (L) or Skew (R) Sensor
         

→ See the 6th and 7th item of “U20”.

      d. ENDING Sensor
         

→ See the 3rd item of “U14”.