3.9 Communication 3 Diagnostic Programs
TECRA S1Maintenance Manual 49
Check whether it supports ECP (Extended Capabilities Port) feature.
5. Printer Check
Check whether it could connect to a standard LPT printer and print out the text
correctly. Here are some samples of LPT printers.
HP DeskJet 200
EPSON STYLUS COLOR 440
EPSON STYLUS COLOR 460
EPSON STYLUS C41SX
EPSON EPL-5700 (LaserJet Printer)
HP Laser jet 6P (Laser Jet Printer)
Subtest 02 COM
This test item shorts circuits in the external pins, to unite data sending and data
receiving as self-shake and self-circle. Below is the external connector’s description:
Fixture Status
1
9
876
5432
1. Register Check
(
PIN7
)
RTS
(
PIN8
)
CTS
(
PIN1
)
DCD
(
PIN2
)
RD
(
PIN3
)
TD
(
PIN4
)
DT
R
(
PIN6
)
DS
R
(
PIN9
)
RI