Epson STYLUS Scan 2500 Service Manual page 48

EPSON Stylus Scan 2500
Counter-Clockwise
Revolution
Tube squeezed
Figure 2-16. Pump Roller Rotation and it's Operation
Pumping modes
Pump Mode
Low speed 0.38rev/second
Regular absorp-
1.3 rev/second
tion
High speed 2.6rev/second
Super high speed 3.38rev/second
Operating Principles
Clockwise
Revolution
Tube released
Revolutions Absorption
0.06ml/second
0.2ml/second
0.4ml/second
0.54ml/second
Printer Mechanism Operation
Revision A
48