Epson 680Pro - LQ B/W Dot-matrix Printer Service Manual page 70

EPSON Stylus COLOR 680/777/777i
Head installing position pins
Printhead installing the position pin & the grounding plate.
n Tightening Torque for screw
• C.B.P-TITE 3x6 screw for printhead: 6+/1kgf.cm
When the Printhead is replaced with a new one, following
adjustments must be performed in the order below:
1. Initial ink charge
2. Printhead ID input
3. Bi-d adjustment
When the Printhead is removed and reinstalled, only the following
adjustment is required.
1. Head cleaning
2. Bi-d adjustment
Disassembly and Assembly
Head grounding plate
Figure 4-9.
Disassembly
Revision B
70