Epson 820 All in One Printer User Manual


 
Upper housing removal ........................................................................... 94
Printhead removal ................................................................................... 96
CR unit removal....................................................................................... 98
CR motor removal ................................................................................. 101
ASF unit removal................................................................................... 102
PSB/PSE unit removal .......................................................................... 104
Holder shaft unit removal ...................................................................... 107
Circuit board removal ............................................................................ 111
Waste drain ink pad (under the ASF unit) removal ............................... 114
Lower housing removal ......................................................................... 115
Caution regarding Ink system removal, PF roller
unit removal and PF motor removal .......................................... 119
Ink system unit removal
(Cap unit, Pump unit & Waste drain ink pad) ........................................ 120
PF roller unit removal ............................................................................ 123
PF motor removal.................................................................................. 125
Adjustment
Overview..................................................................................................... 127
Required Adjustment............................................................................. 127
Maintenance
Overview..................................................................................................... 130
Cleaning ................................................................................................ 130
Service Maintenance............................................................................. 130
Lubrication............................................................................................. 132
Appendix
Connector Summary................................................................................... 136
Major Component Unit .......................................................................... 136
EEPROM Address Map......................................................................... 139
Component Layout ..................................................................................... 146
Exploded Diagram...................................................................................... 148
Parts List..................................................................................................... 159
Electrical Circuits........................................................................................ 161