Epson C117001-N - DFX 5000+ B/W Dot-matrix Printer Service Manual page 137

CHAPTER
Table of Contents
5.1 TROUBLESHOOTING INFORMATION
5.1.1 Error Messages.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.1.2 Bypassing the lnterlockSwitch and Cover Sensor . . . . . . . . . . . . . . . . . 5-2
5.1.3 Coil Resistance.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.2 REPAIR BY UNIT REPLACEMENT
5.3 REPAIR OF THE POWER SUPPLY CIRCUIT
5.4 REPAIR OF THE C117 MAIN BOARD ASSEMBLY
5.5 PRINTER MECHANISM
Figure 5-1. Bypassing the Interlock Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Figure 5-2. Bypassing the Cover Open Sensor. . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Figure 5-3. Printhead Coil Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Table 5-1. Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Table 5-2. Motor, Fan, Plunger, and Printhead Coil Resistance . . . . . . . . . . . . 5-3
Table 5-3. Symptoms and Reference Pages. . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Table 5-4. Cl 17 PSB/PSE Board Assembly Main Parts List. . . . . . . . . . . . . . 5-13
Table 5-5. C117 PSBIPSE Board Assembly Component Repair. . . . . . . . . . . 5-13
Table 5-6. C117 MAIN Board Assembly Component Repair. . . . . . . . . . . . . . 5-17
Table 5-7. Printer Mechanism Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
5
Troubleshooting
List of Figures
List of Tables
5-1
5-4
5-13
5-17
5-24