Roland VersaUV LEJ-640 Service Notes page 303

CONTENTS
CODE
The UV Lamp is not connected / tuned on.
It is not possible to communicate with the
Maintenance/Front Cover Cable.
0210
The UV Lamp is broken / There is a problem
with the UV Lamp.
The Thermistor in the UV Lamp is extremely
high.
0211
CAUSE
There is a bad connection between UV Lamp and Print
Carriage Board.
There is a bad connection between UV Junction Board
and DC Junction Board.
There is a bad connection between DC Junction Board
and SW Power Supply.
There is a bad connection between SW Power Supply
and AC Junction Board.
There is a bad connection between UV Junction Board
and AC Junction Board.
There is a bad connection between UV Junction Board
and UV Relay Board.
There is a bad connection between Step Drive Board and
Motsens Junction Board.
There is a bad connection between Motsens Junction
Board and Grit Encoder Board.
There is a bad connection between Motsens Junction
Board and Main Board.
There is a bad connection between I/S Cover and
Motsens Junction Board.
There is a bad connection between Front Cover /
Maintenance Cover and Grit Encoder Board.
Main Board is broken.
The UV Lamp is broken.
There is a bad connection between Print Carriage Board
and UV Junction Board.
There is a bad connection between UV Junction Board
and Step Drive Board.
There is a bad connection between Step Drive Board and
Servo Board.
The filter of the UV Lamp is clogged.
The UV Lamp is broken.
6-9
Check the lighting of [DC OK] LED on the UV device
while the IS Cover Sensor, Front Cover Sensor and
Maintenance Cover Sensor is turned on. If it does not
light, the UV device itself could be broken.
Check cable connection between UV Lamp and Print
Carriage Board.
Check cable connection between UV Junction Board and
DC Junction Board.
Check cable connection between DC Junction Board and
SW Power Supply.
Check cable connection between SW Power Supply and
AC Junction Board.
Check cable connection between UV Junction Board and
AC Junction Board.
Check cable connection between UV Junction Board and
UV Relay Board.
Check cable connection between Step Drive Board and
Motsens Junction Board.
Check cable connection between Motsens Junction
Board and Grit Encoder Board.
Check cable connection between Motsens Junction
Board and Main Board.
Check cable connection between I/S Cover and Motsens
Junction Board.
Check cable connection between Front Cover /
Maintenance Cover and Grit Encoder Board.
DC Junction Board replacement
AC Junction Board replacement
UV Relay Board replacement
Motsens Junction Board replacement
Grit Encoder Board replacement
SW Power Supply replacement
Main Board replacement
UV Lamp replacement
Check the lighting of [DC OK] LED on the UV device
while the IS Cover Sensor, Front Cover Sensor and
Maintenance Cover Sensor is turned on. If it does not
light, the UV device itself could be broken.
Revised 13
Check cable connection between Print Carriage Board
and UV Junction Board.
Check cable connection between UV Junction Board and
Step Drive Board.
Check cable connection between Step Drive Board and
Servo Board.
Print Carriage Board replacement
UV Junction Board replacement
Step Drive Board replacement
Servo Board replacement
UV Lamp Filter replacement.
UV Lamp replacement
ACTION
Revised 13