Epson Stylus Color 1520 Service Manual page 72

3.1 Overview................................................................................................................3-1
3.1.1 Precautions for Disassembling the Printer.......................................................................... 3-1
3.1.2 Tools ........................................................................................................................................ 3-2
3.2 Disassembly and Assembly.................................................................................3-3
3.2.1 Upper Housing Removal........................................................................................................ 3-4
3.2.2 ROM Replacement.................................................................................................................. 3-6
3.2.3 Print Head Removal................................................................................................................ 3-6
3.2.3.1 Black Head Removal................................................................................................. 3-6
3.2.3.2 Color Head Removal ................................................................................................. 3-8
3.2.4 Home Position (HP) Sensor Removal................................................................................... 3-9
3.2.5 Cover Open Sensor Removal .............................................................................................. 3-10
3.2.6 Printer Mechanism Unit Removal ....................................................................................... 3-10
3.2.7 PSB/PSE Board Assembly Removal................................................................................... 3-12
3.2.8 C211 MAIN Board Assembly Removal................................................................................ 3-13
3.2.9 Waste Ink Drain Pad Removal ............................................................................................. 3-15
3.2.9.1 Waste Ink Drain Pad Removal ................................................................................ 3-15
3.2.9.2 Left Ink Pad Removal .............................................................................................. 3-15
3.2.10 Printer Mechanism Unit Disassembly .............................................................................. 3-16
3.2.10.1 Carriage (CR) Motor Assembly Removal .............................................................. 3-16
3.2.10.2 PF (Paper Feed) Motor Assembly Removal.......................................................... 3-17
3.2.10.3 DE (Disengage) Sensor Removal ......................................................................... 3-18
3.2.10.4 Front/Rear PE (Paper End) Sensor Removal ....................................................... 3-19
3.2.10.5 REL (Release) Sensor Removal ........................................................................... 3-20
3.2.10.6 Edge Guide Unit Removal ..................................................................................... 3-21
3.2.10.7 Paper Eject Frame Removal ................................................................................. 3-22
3.2.10.8 Pump Unit Removal .............................................................................................. 3-23
3.2.10.9 Carriage (CR) Unit Removal ................................................................................. 3-24
3.2.10.10 Base Frame Assembly Removal ......................................................................... 3-26
3.2.10.11 Paper Loading Roller Unit Removal .................................................................... 3-27
3.2.10.12 Paper Feed (PF) Roller Removal ........................................................................ 3-30
3.2.10.13 Rear Paper Guide Removal ................................................................................ 3-31
3.2.10.14 Middle Frame Assembly Removal....................................................................... 3-32
Disassembly and Assembly
Chapter 3