5.1 OVERVIEW
Problems in the printer may exhibit a variety of
troubleshooting,
symptoms,
unless you follow the procedure shown in the
START
5.2 5-2
Repair by
unit replacement
I
REV.-B
which can complicate the task of
flowchart below.
[
1
5.3
5-14 5.4
5-15
Repair of the
Repair of the printer
BOARD
ASSY., MAIN
mechanism
.
The fault is corrected
Figure 5-1. Troubleshooting Procedure
The following tables provide troubleshooting information.
Table 5-1. Motor and
Printhead Coil Resistance
I
Part
Specifications
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MOTOR, CR
Coil resistance 19.5 ohms
+/–
7% at 25 degrees C (77 degrees F)
MOTOR, PF
Coil resistance 79.0
+/–
5 ohms at 25 degrees C (77 degrees F)
Printhead
Coil resistance 45.5
+/–
3.2 ohms ‘at 25 degrees C (77 degrees F)
Table
3-2.
Error Codes
Error
Display
Error Cause
Buzzer beeps 3 times for Paper-out error
● Printer is out of paper.
0.1 second, with O.
l-sec-
. DETECTOR
ASSY.,
PE, FRONT (, REAR)
ond
intervals.
Buzzer
beeps 5 times for
Carriage error
. MOTOR, CR malfunction.
0.5 second, with
0.5-sec-
1
.
Carriage mechanism malfunction.
ond
intervals. ● MOTOR, CR driver current malfunction.
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