EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Disassembly & Assembly Disassembly Procedures 351
4.2.9.4  P_THICK Sensor (0.8) / P_THICK Sensor (0.3)
1. Remove "Cover, Rear" (p223).
2. Remove "PT Sensor Unit". (Refer to "4.2.9.1 Release Unit" (p343).)
3. Disconnect connectors from "P_THICK Sensors".
4. Release the three tabs securing "P_THICK Sensor", and remove the 
"P_THICK Sensors".
Figure 4-212. P_THICK Sensors Removal
A D J U S T M E N T
R E Q U I R E D
Be sure to refer to Chapter 5 “Adjustment” (p.366) and 
perform specified adjustments after replacing or installing a 
"P_THICK Sensor".
Tabs
ConnectorConnector
P_THICK Sensor (0.8) P_THICK Sensor (0.3)