Service manual

PN 4237242C
3.4-3
INSTALLATION PROCEDURES
OPTIONAL TICKET PRINTERS
3
6. Turn on the MD II and print the calibration factors to verify that the Printer and
instrument are working together.
Note: The first time the Ticket Printer option is enabled, the instrument will request that
you insert the Ticket Key Disk. Once the ticket printer enable is recorded in CMOS, it
will not be requested again.
Two-Printer Setup Procedure
1. Unpack the Ticket Printer. Ensure you have the following components:
r Printer
r 24-V printer power supply
r Line cord for the power supply
r Standard Centronics data cable
r Ticket Key Disk
r Ribbon ink cassette.
2. Locate the DIP switch, SW1, on the bottom of the Printer sled as shown in Figure 3.4-2.
Ensure switch positions 2, 3, and 4 are ON and the rest are OFF. See Table D.1-1 and
Table D.1-2 for the switch position functions for DIP switches SW1 and SW2.
3. Unpack the optional A/B Switch Box. Ensure the A/B Switch Box kit includes:
r A/B Switch Box
r 6-ft Centronics cable
r Installation instructions.
4. Ensure the MD II power is off.
5. Using Figure 3.4-4 as a guide, connect:
a. Graphic Printer to connector A
b. Ticket Printer to connector B
c. 6-ft Centronics cable between the I/O connector on the A/B Switch Box and the
MD II parallel (Printer) connector
d. Power cord.
6. Perform a Printer Self-Test on the Ticket Printer as instructed under Heading D.1,
EPSON TM-290P SLIP PRINTER, and verify that all the characters print legibly.
CAUTION
Risk of damage to equipment. Turning the instrument’s power ON before connecting the Printer
to the instrument could damage the instrument. Ensure the power is OFF before connecting the Printer.