DOWNLOAD Panasonic KX-MB283RU / KX-MB783RU Service Manual ↓ Size: 15.15 MB | Pages: 127 in PDF or view online for FREE

41

42

43

All of the sensor and switches are shown below.

See TEST FUNCTIONS - SENSOR CHECK SECTION for the sensor test.
 (#815 of Service Mode test. Refer to TEST FUNCTIONS (P.84).

Sensor Name

Sensor Location

Reference number

Message Error

Pickup sensor

Pickup & Fan2 PCB

SW50

[PAPER  JAMMED]  [CHECK  REAR  CVR]
[WRONG PAPER & PRESS START]

Exit sensor

Fuser PCB

PS50

[PAPER JAMMED]

Read position sensor

Sensor PCB

PS53

[CHECK DOCUMENT]

Resistance& Manual paper sensor Resist & PTOP PCB

PS51

[PAPER JAMMED]

Print timing sensor

Resist & PTOP PCB

PS52

[PAPER JAMMED]

Document sensor

Sensor PCB

PS54

-

Top cover sensor

H.V.P.S

SW1

[TOP COVER OPEN]

Toner sensor

Sensor PCB

IC50

[TONER EMPTY]
[TONER LOW]
[CHECK DRUM]

Handset hook switch (KX-
MB783RU ONLY)

Handset PCB

SW940

-

44

DRUM SENSOR is not arranged. 
DRUM unit is detected when HVERR SENSOR arranged in H.V.P.S becomes effective. 

Paper SENSOR is not arranged. 
Paper is detected when PICKUP SENSOR described as follows becomes effective. 
This Switch detects whether a recording paper is picked up or not, and whether Rear Cover is opened or closed.
When there is a recording paper at the position of the switch, the input signal of IC300-AE20pin becomes low level.
When there is no recording paper at the position of the switch, the input signal of IC300-AE20pin becomes high level.

High Voltage ERROR Status

Drum sensor

Signal (IC300-P26)

Abnormal

DRUM can not be detected Low level

Normal

DRUM can be detected

High level

Pickup status

Idling status

Signal (IC300-AE20pin)

A paper exists

Rear Cover opened

Low level

No papers

Rear Cover closed

High level