Panasonic KX-FLB852CX Service Manual page 108

KX-FLB852CX / KX-FLB852CXS
6.6.5. SIMPLIFIED TROUBLESHOOTING GUIDE
6.6.5.1. PRINTING
No. Symptom
1 GHOST IMAGE (P.119)
2 DARK OR WHITE
VERTICAL LINE (P.120)
3 DARK OR WHITE
HORIZONTAL LINE
(P.121)
4 DIRTY OR HALF
DARKNESS
BACKGROUND (P.122)
5 BLACK PRINT (P.123)
6 LIGHT PRINT (P.124) OR
BLACK PRINT (P.123)
7 BLACK OR WHITE POINT
(P.125)
6.6.5.2. RECORDING PAPER FEED
No. Symptom
1 MULTIPLE FEED (P.125)
2 THE RECORDING PAPER
IS WAVED OR WRINKLED
(P.126)
Cause
Failed drum unit
Failed transfer unit
Failed the high-voltage terminal
Failed the high voltage power supply board
Failed fuser unit
Too thick or too thin recording paper
Dirty the cover glass or the reflecting mirror
Dust on the path of the laser beam
Failed drum unit
Failed the heat roller or the pressurized roller Check the heat roller and the pressurized roller
Failed LSU
Failed drum unit
Failed the gear
Failed the engine motor
Failed the high-voltage terminal
Failed the high voltage power supply board
Scratch on the OPC drum
Static electricity on the documents (when
copying)
Failed drum unit
Dirty the pickup roller and the regist roller and
the feed roller and the eject roller and the heat
roller and the pressure roller
Failed the high-voltage terminal
Failed the high voltage power supply board
Dirty the recording paper path
Failed drum unit
Failed LSU
Failed the high-voltage terminal
Failed the high voltage power supply board
Failed the digital board
Failed CCD (when copying)
Short toner
Failed drum unit
Life of drum unit is over
Dirty the cover glass or the reflecting mirror
Failed the high-voltage terminal
Failed the high voltage power supply board
Failed the digital board
Failed CCD (when copying)
Failed the developer roller (33mm pitch)
Failed the OPC drum (75mm pitch)
Failed the heat roller (79mm pitch)
Failed the high voltage power supply board
Too thick or too thin recording paper
Cause
Dirty or failed the pickup roller
Dirty or failed the pickup rubber
Dirty the pressure roller or the heat roller
Failed the spring of pressure roller
Separator of heat roller a check
Dust on the recording paper path
Too thin recording paper
Replace drum unit
Check the transfer roller and spring
Check the high-voltage terminal
Go to HIGH VOLTAGE SECTION (P.176)
Check the heat roller and the pressurized roller and the spring
and the heat lamp and the thermistor
Use the recording paper from 16lb to 24lb
Clean the cover glass and the reflecting mirror
Clean the path of the laser beam
Replace drum unit
Go to LSU SECTION (P.170)
Replace drum unit
Check the gear
Go to FB (Flat Bed) MOTOR (P.168)
Check the high-voltage terminal
Go to HIGH VOLTAGE SECTION (P.176)
Replace drum unit
Check the connection between the parts around CCD and earth
Replace drum unit
Clean the pickup roller and the regist roller and the feed roller
and the eject roller and the heat roller and the pressure roller
Check the high-voltage terminal
Go to HIGH VOLTAGE SECTION (P.176)
Clean the recording paper path
Replace drum unit
Go to LSU SECTION (P.170)
Check the high-voltage terminal
Go to HIGH VOLTAGE SECTION (P.176)
Check the digital board
Go to CCD CONTROL SECTION (P.171)
Supply toner
Replace drum unit
Replace drum unit
Clean the cover glass and the reflecting mirror
Check the high-voltage terminal
Go to HIGH VOLTAGE SECTION (P.176)
Check the digital board
Go to CCD CONTROL SECTION (P.171)
Replace drum unit
Replace drum unit
Check the heat roller
Go to HIGH VOLTAGE SECTION (P.176)
Use the recording paper from 16lb to 24lb
Clean or replace the pickup roller
Clean or replace the separation rubber
Clean the pressure roller and the heat roller
Replace the spring of pressure roller
Replace separator
Clean the recording paper path
Use the recording paper from 16lb to 24lb
108
Countermeasure
Countermeasure