Rice Lake Okidata 320-390-420 Turbo - Service Guide - Manual (Page 111)

Alarm
Category Alarm Alar
m LED
Display Remarks Troubleshooting
Spacing
Alarm Spacing
alarm X PROP,
HSD Space IPT is
not occurred
within in
specified
timing. * Replace space motor.
* Replace P.H. cable.
* Replace Control/Power
Supply Board.
* Check the mechanisms
if load is too much.
Spacing
Alarm Print Head
homing
alarm X PROP,
UTL Print head
does not
reach to the
home
position. * Replace space motor.
* Replace P.H. cable.
* Replace Control/Power
Supply Board.
* Check the mechanisms
if load is too much.
Print Head
Alarm Print Head
A/D alarm X 10, 20 Thermister is
open, short
with 0V or
short with
+5V. * Check the P.H.
Connection.
* Replace Print Head.
* Replace P.H. cable.
* Replace Control/Power
Supply Board
Print Head
Alarm Print Head
Gap A/D
alarm X 10, 20,
HSD Print Head
Gap Signal
open * Replace P.H. cable.
* Replace Space Motor
Assy.
* Replace Control/Power
Supply Board
X = LED Blink (200ms ON, 200ms OFF)
All other LED Displays: = LED lights up