Service manual

General Description
Table 1-9.
Connector Pin Assignments and Signal Functions (cont.)
Notes:
DIR refers to the direction of signal flow as viewed from the printer.
Return Pin No. denotes a twisted pair return line.
The cable must be shielded to prevent noise.
All interface conditions are based on TTL levels. The rise and fall times of all signals must be less
than 0.2 ,us.
You can set the -AUTO FEED-XT signal to LOW using DIP switch 2-4.
You can set the -SLCT-IN signal to LOW using jumper 6.
By setting the DATA 1 through 8 pins to the -STROBE signal, you can perform printing tests,
including interface circuit tests, without using external equipment.
Minus signs are used in front of signal names indicate active LOW signals.
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LQ-200/AP3000