Kyocera FS-1700 User Manual page 144

C.2. RS-232C/RS-422A Interface
Verifying the Setting
The procedure described below should be followed to verify that the RS-422A mode had been cor-
rectly set. Print the service status page to verify that the RS-422A mode has been correctly set.
1. Make sure the power switch is off. Plug the power cord into the printer and turn power on.
2. If the printer is on-line, select
to Mode Select Menu at the end of this document), and print the service status page.
3. Verify whether the setting is correct by checking the status printed at the bottom of the page.
The following sample indicates that "RS-422A" is set "RS4". If "RS-232C" is set, "RS2" appears.
[Printer Status Page]
Interface Signals
The pins in the printer's RS-422A interface connector carry the signals listed in Table C.3.
Table C.3. RS-422A Signal Pin Assignments
Pin In/out
1 –
3 In
7 –
9 Out
10 Out
18 In
Overview of Signals (RS-422A)
FG - Frame Ground - (Pin 1)
This pin is connected directly to the printer frame.
SG - Signal Ground - (Pin 7)
All signals can transmit between the printer and the host computer to send each signals with a
signal ground.
C-8
Indicates the current serial
interface mode.
Signal Description
FG Frame ground
RDA Receive data Inverted
SG Signal ground
SDA Send data Inverted
SDB Send data
RDB Receive data
in the Mode Select menu (refer