Epson Stylus Pro 4900/Epson Stylus Pro 4910  Revision A
DISASSEMBLY & ASSEMBLY  Parts Diagram  105
Confidential
Figure 3-3.  Housing 2
Rear Unit 
(p145)
Board Tray 
(p147)
Mid-Left Cover 
(p150)
Mid-Right Cover
(p150)
Right IC Sensor
(p140)
Detects the Open/Closed 
status of the cartridge cover.
Left IC Sensor
(p140)
Detects the Open/Closed 
status of the cartridge cover.
Rear Unit Sensor
(p146)
Detects the installation 
status of the Rear Unit.
Front Cover Sensor
(p143)
Detects the Open/Closed 
status of the Front Cover.
Printer Cover Sensor
(p134)
Detects the Open/Closed 
status of the Printer Cover.