Epson 2070 Service Manual - Page 76

Disassembly and Assembly

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CHAPTER 3 Disassembly and Assembly Table of Contents 3.1 OVERVIEW 3-1 3.1.1 Precautions 3-1 3.1.2 Tools 3-1 3.1.3 Service Checks After Repair 3-2 3.1.4 Specifications for Screws 3-3 3.2 PRINTER DISASSEMBLY AND ASSEMBLY 3-4 3.2.1 Before Starting Disassembly Procedures 3-5 3.2.2 Removing the Panel Board Assembly 3-6 3.2.3 Removing the Printhead 3-7 3.2.4 Removing the HP Sensor 3-8 3.2.5 Removing the PW Sensor Assembly 3-8 3.2.6 Removing the Platen Assembly 3-10 3.2.7 Removing the Upper Housing Assembly 3-11 3.2.8 Removing the CR Motor Assembly 3-12 3.2.9 Removing the Printer Mechanism 3-13 3.2.9.1. Removing the PF Motor Assembly 3-14 3.2.9.2 Removing the PG Sensor Assembly 3-15 3.2.9.3 Removing the Right Frame Assembly 3-16 3.2.9.4. Disassembling the Right Frame Assembly 3-16 3.2.9.5. Removing the Left Frame Assembly 3-19 3.2.9.6 Removing the Ribbon Drive (RD) Assembly 3-20 3.2.9.7. Removing the CR Assembly 3-21 3.2.9.8 Removing the Rear PE Sensor Assembly 3-23 3.2.9.9 Removing the Front PE Sensor Assembly 3-23 3.2.10 Removing the C186 MAIN Board Assembly 3-24 3.2.11 Removing the C166 PSB/E Board Assembly 3-25 3.3 DISASSEMBLY AND ASSEMBLY OF CSF BIN 1 3-26 3.3.1 Disassembling the Right Side Block 3-26 3.3.2 Disassembling the Paper Support Block Assembly 3-28 3.3.3 Removing the Paper Eject Cover Assembly 3-30 3.4 DISASSEMBLY AND ASSEMBLY OF CSF BIN 2 3-31 3.4.1 Disassembly Right Side Block 3-31 3.4.2 Disassembly Paper Support Block Assembly 3-32

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CHAPTER 3
Disassembly and Assembly
Table of Contents
3.1
OVERVIEW
3-1
3.1.1
Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.1.2
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.1.3
Service Checks After Repair
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.1.4
Specifications for Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.2
PRINTER DISASSEMBLY AND ASSEMBLY
3-4
3.2.1
Before Starting Disassembly Procedures
. . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3.2.2
Removing the Panel Board Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3.2.3
Removing the Printhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.2.4
Removing the HP Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.2.5
Removing the PW Sensor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.2.6
Removing the Platen Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
3.2.7
Removing the Upper Housing Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
3.2.8
Removing the CR Motor Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
3.2.9
Removing the Printer Mechanism
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
3.2.9.1. Removing the PF Motor Assembly
. . . . . . . . . . . . . . . . . . . . . . . 3-14
3.2.9.2
Removing the PG Sensor Assembly . . . . . . . . . . . . . . . . . . . . . . 3-15
3.2.9.3
Removing the Right Frame Assembly . . . . . . . . . . . . . . . . . . . . . 3-16
3.2.9.4. Disassembling the Right Frame Assembly
. . . . . . . . . . . . . . . . . 3-16
3.2.9.5. Removing the Left Frame Assembly . . . . . . . . . . . . . . . . . . . . . . 3-19
3.2.9.6
Removing the Ribbon Drive (RD) Assembly . . . . . . . . . . . . . . . . 3-20
3.2.9.7. Removing the CR Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
3.2.9.8
Removing the Rear PE Sensor Assembly. . . . . . . . . . . . . . . . . . 3-23
3.2.9.9
Removing the Front PE Sensor Assembly
. . . . . . . . . . . . . . . . . 3-23
3.2.10 Removing the C186 MAIN Board Assembly . . . . . . . . . . . . . . . . . . . . . . 3-24
3.2.11 Removing the C166 PSB/E Board Assembly . . . . . . . . . . . . . . . . . . . . . 3-25
3.3 DISASSEMBLY AND ASSEMBLY OF CSF BIN 1
3-26
3.3.1 Disassembling the Right Side Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
3.3.2 Disassembling the Paper Support Block Assembly
. . . . . . . . . . . . . . . . . 3-28
3.3.3 Removing the Paper Eject Cover Assembly
. . . . . . . . . . . . . . . . . . . . . . 3-30
3.4 DISASSEMBLY AND ASSEMBLY OF CSF BIN 2
3-31
3.4.1 Disassembly Right Side Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
3.4.2 Disassembly Paper Support Block Assembly . . . . . . . . . . . . . . . . . . . . . . 3-32