Specifications

REV.-B
5.1 OVERVIEW
Problems in the printer may exhibit a variety of symptoms, which can complicate the task of
troubleshooting, unless you follow the procedure shown in the flowchart below.
r
Repair of the
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Repair of the printer
BOARD ASSY., MAIN mechanism
Figure 5-1. Troubleshooting Procedure
The following tables provide troubleshooting information.
Table 5-1. Motor and Printhead Coil Resistance
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Part
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Specifications
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MOTOR, CR
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Co11 resistance 19.5 ohms +/- 7% at 25 degrees C (77 degrees F)
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MOTOR, PF
Printhead
Coil resistance 79.0 +/- 5 ohms at 25 degrees C (77 degrees F)
Coil resistance 45.5 +/- 3.2 ohms at 25 degrees C (77 degrees F)
Table 5-2. Error Codes
Error Display
Buzzer beeps 3 times for
0.1 second, with 0. l-sec-
ond intervals.
Error
Cause
Paper-out error . Printer is out of paper.
. DETECTOR ASSY., PE, FRONT (,REAR)
Buzzer beeps 5 times for
Carriage error . MOTOR, CR malfunction.
0.5 second, with 0.5~sec-
. Carriage mechanism malfunction.
ond intervals.
. MOTOR, CR driver current malfunction.
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5-1