
CP295MRS CP305MRS CP405MRS
Technical reference - Rev. K
7
Advanced Printing Systems
5.3 Switch/Led
connector
Connector J3
: MOLEX, 53048 Series 4 contacts. Female 51021 Series contacts 50079/50058.
P
IN
N
UMBER
S
IGNAL
N
AME
1 Gnd
2 ON/OFF
line
3 Paper
FEED
4 LED
(cathode)
This connector allows you to design an external paper feed button, on-line off-line button, and status LED.
External circuitry is as follows:
(*) A serial resistor (470 Ohms) is on the printer, setting the LED current at about 7 mA.
The Switches and LED functions are defined in the following table:
Printer Status
OFF
OFF Line On
Line Head-up
End of
Paper
Over/Under
Voltage or
Temperature
On Line
Off Line
N/A
On/Off Line
SW
Execute
self-
test
if pressed
during
Power-On
Switch OFF the printer if pressed more than 2.5 seconds
Paper Feed
Switch
Switch On
the Printer
Feeds Paper Feeds Paper
if not already
printing
N/A
LED
OFF
1 Flash “ON” Always "ON"
2 Flash
“ON”
3 Flash
“ON”
4 Flash “ON”
Pin 1 - Gnd
Pin 2 - ON/OFF
Pin 3 - Paper
Pin 4 - LED