EPSON AcuLaser C1900/AcuLaser C900 Revision B
Disassembly and Assembly Main Unit Disassembly 171
Flowchart 4-2.  Disassembly Flowchart of Option Unit
4.7.3 Reverse Motor / Transfer Motor 
(p207)
4.7.2 Paper Feed Sensor (p206)
4.7.1 Duplex Unit Control 
Board (PWB-A) (p206)
Duplex Unit
4.6.2 500-sheet Cassette Unit Control 
Board (PWB-A) (p205)
4.6.1 The 2nd Paper Load Roller (p204)
増設ユニ ッ ト
Extension Unit