Service manual

ESPON FX-880/FX-1180 Service Manual
3-i
3. Disassembly and Assembly
Overview................................................................................................................................................. 3-1
Printer Disassembly Precautions.................................................................................................. 3-1
Tools.............................................................................................................................................. 3-2
Service Checks after Repair .........................................................................................................3-3
Screw Specifications..................................................................................................................... 3-4
Printer Disassembly and Assembly........................................................................................................3-5
Printhead Removal .......................................................................................................................3-6
HP (Home Position) Sensor Removal ..........................................................................................3-7
Disassembly Preparation.............................................................................................................. 3-8
Upper Housing Removal............................................................................................................... 3-9
C229 Main Board Removal.........................................................................................................3-11
C229 PSB/PSE Board Removal ................................................................................................. 3-13
ROM Removal ............................................................................................................................3-14
Platen Removal...........................................................................................................................3-15
Printer Mechanism Removal.......................................................................................................3-17
Printer Mechanism Disassembly.................................................................................................3-19
CR Motor Removal ........................................................................................................3-19
PF Motor Removal......................................................................................................... 3-21
PF Gear Train Disassembly........................................................................................... 3-22
PG (Platen Gap) Sensor Removal................................................................................. 3-24
Release Lever Sensor Removal .................................................................................... 3-25
Front PE (Paper End) Sensor Removal......................................................................... 3-26
Rear PE Sensor Removal.............................................................................................. 3-27
Carriage Removal..........................................................................................................3-28
Rear Paper Guide Removal........................................................................................... 3-30
Ribbon Drive Removal...................................................................................................3-32