Troubleshooting

3.1 OVERVIEW 3-1

3.1.1 Main Component Checking Point 3-1

3.2 UNIT LEVEL TROUBLESHOOTING 3-4

3.3 UNIT REPAIRING OF THE POWER SUPPLY BOARD 3-11

3.4 UNIT REPAIRING OF THE MAIN BOARD 3-13

3.5 REPAIRING THE PRINTER MECHANISM 3-16

4.1 OVERVIEW 4-1

4.1.1 Disassembly Precautions 4-1

4.1.2 Tools and Instruments 4-1

4.1.3 Service Check After Repair 4-2

4.1.4 Abbreviations for Small Parts 4-3

4.2 DISASSEMBLY AND ASSEMBLY 4-4

4.2.1 Printhead Removal 4-5

4.2.2 HP (Home Position) Detector Removal 4-6

4.2.3 Pre-disassembly Procedures 4-7

4.2.4 Upper Housing Removal 4-8

4.2.5 C229MAIN Board Removal 4-9

4.2.6 C229PSB/PSE/PSH Board Removal 4-11

4.2.7 ROM Removal 4-12

4.2.8 Platen Removal 4-13

4.2.9 Printer Mechanism Removal 4-14

4.2.10 Printer Mechanism Disassembly 4-15

4.2.10.1 CR Motor Removal 4-15

4.2.10.2 PF Motor Removal 4-16

4.2.10.3 PF Gear Train Disassembly 4-17

4.2.10.4 PG (Platen Gap) Detector Removal 4-18

4.2.10.5 Release Detector Removal 4-18

4.2.10.6 Front PE (Paper End) Detector Removal 4-19

4.2.10.7 Rear PE Detector Removal 4-19

4.2.10.8 Carriage Assembly Removal 4-20

4.2.10.9 Rear Paper Guide Assembly Removal 4-21

4.2.10.10 Ribbon Drive (RD) Assembly Removal 4-22

Was this article helpful?

0 0

Post a comment