KV-S4065CL, KV-S4065CW, KV-S4065CWCN, KV-S4085CL, KV-S4085CW, KV-S4085CWCN - Panasonic Other Service Manuals Service Manual (repair manual). Page 117

117

No paper

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1. No document has been set on
    the Hopper.

Set documents on the Hopper.

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

Blow off the dust with the accessory blower.

3. Paper Sensor does not work
correctly

1. Execute “Key/Sensor” test in the
    Sec.9.3.6 to check the sensor condition.
2. Check the sensor attachment condition
(whether the sensor attachment direction
faces documents on the Hopper.)
3. Check the following connections and
soldering condition on each connector.
  a. Paper Sensor to CN3009 (HOPPER HOME
       Board)
  b. CN3010(HOPPER HOME Board) to
       CN1013 (CONTROL Board)
4. Check XP_EXIST signal: 0 V when paper
     exists.
    

→

 CN1013-3rd pin and IC1026-9th pin

5. Check the soldering condition of IC1026 on
the CONTROL Board and repair it.
6. Replace faulty parts or boards

U11 (Paper feed jam):
Paper did not reach the
Waiting Sensor.)

11

xx

00

00 1. Paper Feed Roller module or

DFP Roller is not assembled
properly.

1. Reassemble the rollers.
2. Check the paper feed mechanism from the
Paper Feed Motor’s gear to Paper Feed
Roller’s gear. (See 6.4.)

2. Rollers (Paper Feed,
Separation, DFP) are dirty.

1. Clean the rollers. (See Sec.7.)
2. Clear counter for cleaning roller to zero with
     the Service Utility described in Sec.9.

3. Rollers have reached their life
expectancy.

1. Replace the Paper Feed, Separation, and
    DFP Rollers after checking each roller
    configuration and Scanner Counter with the
    Service Utility.
2. Clear counter for replacing roller to zero with
    the Service Utility.

4. Paper dust exists on or around
the Waiting Sensor.

1. Blow off the dust with the accessory blower.
   (See Sec.7.)
2. Execute “Key/Sensor” and “Sensor
Sensitive Level” tests in Sec.9.3.6 to check
the sensor condition.

5. Waiting Sensor does not work
correctly.

1. Execute “Key/Sensor” test in the Sec. 9.3.6
 to check the sensor condition.
2. Check the sensor alignment is proper
 (whether the sensor direction faces its
 reflector.)
3. Check the following connections and
soldering condition on each connector.
 a. CN3011 (DOUBLE FEED DETECTOR LCR
      Board) to CN2012 (RELAY(UPPER) Board)
 b. CN2008 (RELAY(UPPER) Board) to
      CN1015 (CONTROL Board)
4. Check the following signals.
 a. WAITING signal (CN1015-17th pin)
     

→

 0 V (when none exists on the Waiting

           Sensor)
 b. Check the reference signal for the
      WAITING signal on the CONTROL Board.
        IC1015-2nd pin: 1.5 V or less
        IC1018-3rd pin: Approx 1.5 V
 c. Check comparator output signal.
   

→

 IC1018-1st pin: 3.3 V (when no document

         exists)
5. Replace faulty parts or cables.