Service manual

28 March 2006 ELECTRICAL COMPONENT DEFECTS
4-5
Service
Tables
Trouble-
shooting
4.2.6 MASTER EJECT
Name State Symptoms
On The “B” jam indicator is lit when print is
started. (Print without master)
Drum Master Sensor
Off Master does not eject
The “D” jam indicator is lit.
Open E-12 is displayed. Pressure Plate Limit
Sensor
Shorted The “Full eject master” indicator is lit.
Open E-12 is displayed. Pressure Plate HP
Sensor
Shorted E-12 is displayed.
On The master is ejected, even if there is no
master eject box
Master Eject Box
Sensor
Off “No master eject box” is displayed.
“Full eject master” indicator is lit.
Open The “B” and “E” jam indicator is lit. Master Eject Sensor
Shorted The “B” jam indicator is lit
Open Master eject unit
safety switch
Shorted
“Unit open” is displayed.
4.2.7 MASTER MAKING UNIT
Name State Symptoms
Open The “D” jam indicator is lit. Master Set Cover
Sensor
Shorted
The “open cover” indicators are lit.
Open E-01 is displayed. Cutter HP Sensor
Shorted E-01 is displayed.
On
Either of sensors is work correctly, the
machine move correctly.
Master making unit
set switches
Off “Not set making unit” is displayed
White
Master making can start even if there is no
master roll, but the “D” jam indicator will
be lit.
Master End Sensor
Black The “load new master roll” indicator is lit.
Open E-09 is displayed. Thermal Head
Temperature
Short E-04 is displayed.