APPENDIX E: Transferring Power to Pin 18
Appendix E: Transferring Power to Pin 18
The HPIIIsi Twinax Card has the ability to supply 5 VDC at up to 350 mA to an external device attached to its PC parallel (“Auto Sharing/Parallel”) port. If you want the Card to supply this power on Pin 18 of this port, you have to close the Card’s J6 jumper. Follow these steps:
1.Turn OFF the printer.
2.Disconnect all cables from the printer and the Card.
3.Take the Card out of the printer.
4.Locate the plastic jumper on the Card’s circuit board, near the parallel port labeled “Parallel In From PC/LAN” (see Figure
5.Remove the plastic jumper from the pin it’s on.
6.Locate the two pins labeled “J6”.
7.Insert the plastic jumper so it covers both pins, shown as “J6 CLOSED” below.
J7 | J6 |
OPEN | |
| J6 |
J8
J6
CLOSED
Figure E-1. The Card’s jumpers.
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