Panasonic KX-MB1536RUB Service Manual ▷ View online
117
KX-MB1536RU
12.3.5.
Simplified Troubleshooting Guide
12.3.5.1. Printing
No.
Symptom
Cause
Countermeasure
1
Ghost Image (P.126)
Failed toner cartridge
Replace toner cartridge
Failed transfer unit
Check the transfer roller and spring
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to High Voltage Section (P.179)
Failed fuser unit
Check the heat roller and the pressurized roller and the spring
and the heat lamp and the thermistor
and the heat lamp and the thermistor
Too thick or too thin recording paper
Use the recording paper from 16lb to 24lb
2
Dark or White Vertical
Line (P.127)
Line (P.127)
Dirty the cover glass or the reflecting mirror
Clean the cover glass and the reflecting mirror
Dust on the path of the laser beam
Clean the path of the laser beam
Failed toner cartridge
Replace toner cartridge
Failed the heat roller or the pressurized roller
Check the heat roller and the pressurized roller
Failed LSU
Go to LSU (Laser Scanning Unit) Section (P.47)
3
Dark or White Horizontal
Line (P.128)
Line (P.128)
Failed toner cartridge
Replace toner cartridge
Failed the gear
Check the gear
Failed the engine motor
Check the motor
Failed the charge roller (32mm pitch)
Press the key (Menu
→
#
→
4
→
8
→
1
→
OK)
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to High Voltage Section (P.179)
Scratch on the OPC drum
Replace toner cartridge
Static electricity on the documents (when copy-
ing)
ing)
Check the connection between the parts around CIS and earth
4
Dirty or Half Darkness
Background (P.129)
Background (P.129)
Failed toner cartridge
Replace toner cartridge
Dirty the pickup roller and the regist roller and
the feed roller and the eject roller and the heat
roller and the pressure roller
the feed roller and the eject roller and the heat
roller and the pressure roller
Clean the pickup roller and the regist roller and the feed roller
and the eject roller and the heat roller and the pressure roller
and the eject roller and the heat roller and the pressure roller
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to High Voltage Section (P.179)
Dirty the recording paper path
Clean the recording paper path
5
Black Print (P.130)
Failed toner cartridge
Replace toner cartridge
Failed LSU
Go to LSU (Laser Scanning Unit) Section (P.47)
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to High Voltage Section (P.179)
Failed the main board
Go to Main Board Section (P.17)
Failed CIS (when copying)
Go to CIS Control Section (P.175)
6
Black Print (P.130) OR
Light Print (P.131)
Light Print (P.131)
Short toner
Supply toner
Failed toner cartridge
Replace toner cartridge
Life of toner cartridge is over
Replace toner cartridge
Dirty the cover glass or the reflecting mirror
Clean the cover glass and the reflecting mirror
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to High Voltage Section (P.179)
Failed the main board
Go to Main Board Section (P.17)
Failed CIS (when copying)
Go to CIS Control Section (P.175)
7
Black or White Point
(P.132)
(P.132)
Failed the developer roller (33mm pitch)
Replace toner cartridge
Failed the OPC drum (75mm pitch)
Replace toner cartridge
Failed the heat roller (63mm pitch)
Check the heat roller
Failed the high voltage power supply board
Go to High Voltage Section (P.179)
Too thick or too thin recording paper
Use the recording paper from 16lb to 24lb
118
KX-MB1536RU
12.3.5.2. Recording Paper Feed
No.
Symptom
Cause
Countermeasure
1
Multiple Feed (P.132)
Dirty or failed the pickup roller
Clean or replace the pickup roller
Dirty or failed the pickup rubber
Clean or replace the separation rubber
2
The Recording Paper Is
Waved or Wrinkled (P.133)
Waved or Wrinkled (P.133)
Dirty the pressure roller or the heat roller
Clean the pressure roller and the heat roller
Failed the spring of pressure roller
Replace the spring of pressure roller
Separator of heat roller a check
Replace separator
Dust on the recording paper path
Clean the recording paper path
Too thin recording paper
Use the recording paper from 16lb to 24lb
3
Skew (P.134)
Dirty or failed the pickup roller
Clean or replace the pickup roller
Dirty or failed the pickup rubber
Clean or replace the separation rubber
Dirty or failed the paper feed roller
Clean or replace the regist roller
Dust on the recording paper path
Clean the recording paper path
Failed LSU
Replace LSU
Over the max capacity of the recording paper
Set up to MAX 250 sheets
Too thick or too thin recording paper
Use the recording paper from 16lb to 24lb
4
The Recording Paper
Does Not Feed (P.135)
Does Not Feed (P.135)
Dirty or failed the pickup roller
Clean or replace the pickup roller
Dirty or failed the pickup rubber
Clean or replace the separation rubber
Failed the gear
Check the gear
Failed the solenoid
Check the solenoid
Failed the engine motor
Go to Motor Section (P.171)
Failed the pickup sensor lever
Check the pickup sensor lever
Failed the pickup sensor
Go to Sensor Section (P.166)
5
The Recording Paper Jam
(P.136)
”PAPER JAMMED” ON
THE LCD
(P.136)
”PAPER JAMMED” ON
THE LCD
Dirty or failed the pressure roller
Clean or replace the pressure roller
Dirty or failed the heat roller
Clean or replace the heat roller
Failed the separator of heat roller
Replace separator
Dust on the recording paper path
Clean the recording paper path
Failed the paper feed roller
Replace the registration roller
Failed the pickup sensor lever
Check the pickup sensor lever
Failed the pickup sensor
Go to Sensor Section (P.166)
Failed the registration sensor lever
Check the Registration & Manual paper sensor (paper top sen-
sor) lever
sor) lever
Failed the registration sensor
Go to Sensor Section (P.166)
Failed the exit sensor
Check the Paper Exit sensor lever
Too thick or too thin recording paper
Use the recording paper from 16lb to 24lb
6
Back Side of The Record-
ing Paper is Dirty (P.137)
ing Paper is Dirty (P.137)
Dirty the recording paper path
Clean the recording paper path
Dirty the pressure roller
Clean the pressure roller
Dirty the regist roller
Clean the registration roller
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to High Voltage Section (P.179)
119
KX-MB1536RU
12.3.5.3. Copy and FAX
No.
Symptom
Cause
Countermeasure
1
No Document Feed (No
Document Feed, Docu-
ment JAM and Multiple
Document Feed) (P.138)
Document Feed, Docu-
ment JAM and Multiple
Document Feed) (P.138)
Failed the document sensor lever
Replace the document sensor lever
Failed the document sensor
Go to Sensor Section (P.166)
Dirty or failed the separation roller
Clean or replace the separation roller
Dirty or failed the separation rubber
Clean or replace the separation rubber
Failed the separation spring
Replace the separation spring
ADF top cover is not fully closed.
Push firmly on front and rear edges of the ADF top cover.
Document JAM (No Docu-
ment Feed, Document JAM
and Multiple Document
Feed) (P.138)
ment Feed, Document JAM
and Multiple Document
Feed) (P.138)
Dust or scratch on the document paper path
Clean the document paper path
Failed the gear
Check the gear
Failed the ADF motor
Multiple Document Feed
(No Document Feed, Docu-
ment JAM and Multiple
Document Feed) (P.138)
(No Document Feed, Docu-
ment JAM and Multiple
Document Feed) (P.138)
Dirty or failed the separation roller
Clean or replace the separation roller
Dirty or failed the separation rubber
Clean or replace the separation rubber
Failed the separation spring
Replace the separation spring
2
Skew (ADF) (P.140)
Dust or scratch on the document paper path
Clean the document paper path
Failed the document feed roller
Replace the document feed roller
Failed the document guide
Replace the document guide
3
Scanner Glass (P.141)
Failed CIS unit holder
Replace CIS unit holder
4
The Sent FAX Data is
Skewed (P.141)
Skewed (P.141)
The cause of ADF
Go to Skew (ADF) (P.140)
The cause of scanner glass
----
Problem with the other FAX machine
5
The Received FAX Data is
Skewed (P.141)
Skewed (P.141)
The cause of printing
Go to Skew (ADF) (P.140)
Problem with the other FAX machine
6
The Received or Copied
Data is Expanded (P.142)
Data is Expanded (P.142)
Dirty or failed the drive roller (at ADF)
Clean or replace the drive roller
Dirty or failed the separation roller (at ADF)
Clean or replace the separation roller
Failed CIS movement (at SG)
Replace the belt or the gear or the shaft or the ADF motor
7
Black or White Vertical
Line is Copied (P.142)
Line is Copied (P.142)
Dirty or failed the white plate (2 places)
Clean or replace the white plate
Dirty or failed the glass board
Clean or replace the glass board
The cause of printing
Go to Dark or White Vertical Line (P.127)
Failed CIS
Go to CIS Control Section (P.175)
8
An Abnormal Image is
Copied (P.143)
Copied (P.143)
Dirty or failed the white plate (2 places)
Clean or replace the white plate
Dirty or failed the glass board
Clean or replace the glass board
Dirty or failed the drive roller (at ADF)
Clean or replace the drive roller
Dirty or failed the document feed roller (at ADF) Clean or replace the document feed roller
Dirty or failed the separation roller (at ADF)
Dirty or failed the separation roller (at ADF)
Clean or replace the separation roller
Failed CIS movement (at SG)
Replace the belt or the gear or the shaft or the ADF motor
Failed CIS
Go to CIS Control Section (P.175)
The cause of printing
Go to Dark or White Vertical Line (P.127)
120
KX-MB1536RU
12.3.6.
CALL SERVICE Troubleshooting Guide
There are 5 kinds of Call Service messages.
Display message
Error Point
When the power is OFF,
message disappears.
Service mode
12.3.6.1.
Call Service 1
Polygon in LSU
Yes
*639
12.3.6.2.
Call Service 2
Laser in LSU
Yes
*639
12.3.6.3.
Call Service 3
Fuser
No
*655
12.3.6.4.
Call Service 4
FAN motor
Yes
*677
12.3.6.5.
Call Service 17
Drum first use detection
Yes
-
Click on the first or last page to see other KX-MB1536RUB service manuals if exist.