Epson 680Pro - LQ B/W Dot-matrix Printer Service Manual page 16

EPSON Stylus COLOR 680/777/777i
Table 1-6. Connector Pin Assignment and Signals (continued)
Return
Pin No. Signal Name
GND Pin
35 +5V -
17 Chassis GND -
16,33,
GND -
19-30
15,34 NC -
NOTE: In/Out refers to the direction of signal flow seen from the printer side.
PRODUCT DESCRIPTION
In/Out Functional Description
Out Pulled up to +5V via 3.3K ohm resistor.
- Chassis GND
- Signal GND
- Not connected
INTERFACE
Revision B
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