EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Operating Principles Printer Mechanism Components 120
2.2.3  Cleaning Mechanism
Cleaning mechanism components are located at the right side of the printer. 
Waste ink from the cleaning components is sent through a tube to the Waste 
Ink Absorber (Maintenance Tank) at the bottom right.
Main cleaning mechanism components and their functions are explained in the 
following sections.
Figure 2-7. Cleaning Mechanism Components
Pump Unit
Head Cleaner
Cap Assembly
Flushing Box
Maintenance Tank