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ACCESSORY (EXT) CONNECTOR
The Accessory (or EXT) connector on the M-8400RV printer rear panel is intended for
use with the external printer accessories such as label rewinders or applicators. The
14-pin Centronics type connector provides a choice of four different output signals
along with various error conditions.
PIN ASSIGNMENTS
PIN DIRECTION SIGNAL DESCRIPTION
1 To Host Label Out - This pin goes low (0V) when a label out error exists.
2 Reference Signal Ground
3 To Host Ribbon Out - This pin goes low when the ribbon is out.
4 To Host Error - This pin goes low when the printer detects an error
condition such as head open or receiving buffer full.
5 To Printer Print Start - The printer will print one label when this pin is pulled
to ground. This signal must be enabled by placing switch
DSW3-5 on the Control Panel in the ON position.
6 To Host End Print - It is used to drive an applicator or other external
device requiring synchronization with the print cycle. You may
choose between four types of output signals using control panel
DSW3-6 and DSW3-7 selections.
7 To Printer Print Repeat - The printer repeatedly prints the current label in
the print buffer immediately after receiving this signal.
10 To Host +12V - Used to power accessory items.
12 To Host +24V - Used to power accessory items
13 To Host Vcc - +5V
14 Reference Frame Ground
NOTE: The signals on pins 1, 3, 4 and 6 each have an open collector output. These pins normally measure +.07V
maximum when a true condition exists. If a false condition occurs, the voltage will drop to 0V. To achieve a signal
level of +5V, you must add a 1K ohm, 1/4W pull-up resistor between the open collector output pin and Vcc (pin 13) as
illustrated . This will provide a signal level of +5V for a true condition and 0V when a false condition exists. The maxi-
mum voltage that can be applied to these pins is +50V and the maximum current they can sink is 500 milliamps.
Vcc= +5V
Pin 13
1 K ohm, 1/4W
Pin 1, 3, 4 or 6
Signal Out
Section 5. Interface Specifications
SATOM-8400RV9001041Rev.DPage5-10