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Chapter 5 Troubleshooting

Table of Contents

5.1 OVERVIEW

5-1

5.2 UNIT LEVEL TROUBLESHOOTING

5-4

5.3 REPAIRING THE MAIN BOARD ASSEMBLY

5-11

5.4 REPAIRING THE PRINTER MECHANISM

5-13

List of Figures

Figure 5-1. Troubleshooting Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Figure 5-2.

Printhead Connector Pin Alignment . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Figure 5-3. Flowchart Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

List of Tables

Table 5-1. Printhead Coil Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Table 5-2.

Printhead Driver Test Points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Table 5-3. Motor Driver Test Points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Table 5-4. Motor Coil Resistance Test Points. . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Table 5-6. Sensor Test Points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Table 5-6. Error State Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Table 5-7. Symptoms and Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

Table 5-8. Repairing Problems in the Main Board Assembly. . . . . . . . . . . . . . 5-11

Table 5-9. Repairing the Printer Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . 5-13

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