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Chapter 5 Troubleshooting
Table of Contents
5.1 OVERVIEW
5-1
5.2
UNIT LEVEL TROUBLESHOOTING
5-3
5.2.1 Printer does not operate at power on . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.2 Error is detected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.3 Failure occurs during printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2.4
Printer does not feed the paper correctly. . . . . . . . . . . . . . . . . . . . . . . . .
5.2.5 Control panel operation is abnormal . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3
UNIT REPAIR - C137 PSB/PSE BOARD
5-4
5-5
5-6
5-7
5-8
5-9
5.4
UNIT REPAIR - C137 MAIN BOARD
5-10
5.5
UNIT REPAIR - PRINTER MECHANISM (M-4AIO)
5-12
List of Figures
Figure 5-1. Troubleshooting Process Flowchart. . . . . . . . . . . . . . . . . . . . . . . . 5-1
Table 5-1.
Table 5-2.
Table 5-3.
Table 5-4.
Table 5-5.
Table 5-6.
Table 5-7.
List of Tables
Motor Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sensor Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symptom and Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair of the C137 PSB/PSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1
5-1
5-2
5-3
5-9
Repair of the C137 MAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Repair ofthe Printer Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . .
5-12
Rev.A
5-i