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ACCESSORY (EXT) CONNECTOR
The Accessory (or EXT) connector on the CL 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.
(Not on CL408 or CL412)
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
Page5-109001035Rev.ESATOCLSeriesPrinters