EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Disassembly & Assembly Disassembly Procedures 321
The "Pump Unit" must be reassembled properly. An
incorrect assembly may cause malfunction of the printer and
lower the print quality due to poor pumping.
Align the five ribs and front side dowel of the "Pump
Unit" with the six frame positioning holes.
Slip the "Pump Unit" frame under the "Guide, Waste
Ink".
The sheet should be on the rear side of the printer frame.
Pump Unit Frame Position
Sheet Position
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 the "Box
Assy., Flushing" and the "Pump Unit".
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