Epson STYLUS PHOTO 925 Service Manual page 8

Platen Gap Adjustment Mechanism & Parallelism Adjustment Mechanism 32
Paper Feeding Mechanism ..................................................................... 33
Paper Feed Motor (PF Motor) 33
PF Motor Drive Transmission Path 33
Cutter Mechanism ................................................................................... 34
Cutter Motor 34
Paper Loading Mechanism...................................................................... 35
Ink System Mechanism ........................................................................... 38
Pump Unit & Wiper mechanism 38
Capping Mechanism 39
Cap Unit 39
Electrical Circuit Operating Principles .......................................................... 40
C408 PSB/PSE board ............................................................................. 40
C475 MAIN Board ................................................................................... 42
Main Elements 43
Motor Driver Circuit 44
ASF/Pump Motor Drive Circuit 47
Cutter Motor Drive Circuit 47
Sensor Circuit 48
Troubleshooting
Overview....................................................................................................... 51
Troubleshooting with LED Error Indications and EPSON Status Monitor 3 Messages 52
Unit Level Troubleshooting........................................................................... 58
Disassembly and Assembly
Overview....................................................................................................... 74
Precautions ............................................................................................. 74
Tools........................................................................................................ 76
Work Completion Check.......................................................................... 77
Disassembly ................................................................................................. 78
Housing removal ..................................................................................... 79
Panel Unit removal .................................................................................. 81
Housing Lower Covers removal .............................................................. 82
Housing Lower Cover Left Rear and Front removal 82