Epson STYLUS 4001968 Service Manual page 70

Chapter 5
Table of Contents
5.1 OVERVIEW
5.2 UNIT LEVEL TROUBLESHOOTING
5.2.1 Printer does not operate at power on . . . . . . . . . . . . . . . . . . . . . . .......5-4
5.2.2 Error is detected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .5-5
5.2.3 Failure occurs during printing . . . . . . . . . . . . . . . . . . . . . . .............5-6
5.2.4 Printer does not feed the paper correctly . . . . . . . . . . . . . . . . . . . . . . . .. .5-7
5.2.5 Control panel operation is abnormal . . . . . . . . . . . . . . . . . . . . . . . ......5-8
UNIT REPAIR - C106 PSB/PSE BOARD
5.3
5.4 UNIT REPAIR - C106 MAIN BOARD
UNIT REPAIR - PRINTER MECHANISM (M-481O)
5.5
Figure 5-1. Troubleshooting Process Flowchart . . . . . . . . . . . . . . . . . . . . .. ...5-1
Table 5-1. Motor Resistance . . . . . . . . . . . . . . . . . . . . . . ..................5-1
Table 5-2.
Sensor Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .5-1
Table 5-3. Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ...5-2
Table 5-4.
Symptom and Problem . . . . . . . . . . . . . . . . . . . . . ...............5-3
Table 5-5. Repair of C106 PSB/PSE Board . . . . . . . . . . . . . . . . . . . . . ........5-9
Table 5-6. Repair of the C106 MAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....5-10
Table 5-7. RepairofPrinter Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . .....5-12
Troubleshooting
List of Figures
List of Tables
5-1
5-3
5"9
5-1o
5-12