Panasonic KX-FLB758RU Service Manual page 91

6.5.5.4. Others
No. Symptom
1 Cannot print legal size
2 ´CHECK DRUM´ on the
LCD
3 ´CHANGE DRUM´ on the
LCD
4 ´OUT OF PAPER´ on the
LCD
5 ´COVER OPEN´ on the
LCD
6 CALL SERVICE 1´ on the
LCD
7 CALL SERVICE 2´ on the
LCD
8 CALL SERVICE 3´ on the
LCD
9 CALL SERVICE 4´ on the
LCD
Cause
Not selected the legal mode
No connection between the drum unit and the
whole unit
Failed the drum sensor
The toner sensor cannot detect the drum unit Replace the toner sensor lever or check the analog board
Dust between the drum unit and the toner
sensor (especially metals)
Failed the paper sensor lever
Failed the paper sensor
Failed the top cover open switch lever
Failed the top cover open switch
The polygon motor of LSU is unusually
The laser of LSU is unusually
The fuser temperature is unusually
The fan motor is unusually
Select the legal mode in the user programming mode
Replace the drum unit or the terminal of whole unit
Go to DRUM SENSOR...."CHECK DRUM" (P.189)
Remove the dust
Replace the paper sensor lever
Go to PAPER SENSOR..... "OUT OF PAPER" (P.191)
Replace the top cover open switch lever
Go to TOP COVER OPEN SWITCH...."COVER OPEN"
(P.189)
Check the connector and LSU and the digital board
Check the connector and LSU and the digital board
Check the connector and the fuser and the thermistor and the
digital board
Check the connector and the fan motor and the digital board
91
Countermeasure
KX-FLB758RU