LQ-300 Service Manual
Troubleshooting
5.1 OVERVIEW
Follow the procedures in the flowchart below
to
identify printer problems.
T
START
I
Section
Page
I
Description
i
1
t
*W
( The Fault is Corrected )
Figure 5-1. Troubleshooting Procedures
Note:
/f the power supply board assembly is faulty, it must be replaced as a whole unit. No field
repair should be performed on it, except for the replacement of
tise
F1.
The following tables provide troubleshooting information.
Table 5-1.
Printhead
Coil Resistance
Part
Specifications
I
Printhead
I
Coil resistance 54.7
Q
*
3.9 Q at 25° C (77°
F)
I
Rev.A
5-1
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