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Topic: Micro printer cbm1000 circuit problems (Read 885 times) previous topic - next topic

maxdovey

Im trying to get my arduino talking to a CBM1000 receipt printer for my final project.
Ive found some really helpful hacker resources and a guide here http://microprinter.pbworks.com/w/page/21489360/CBM-1000

i also followed this tutorial http://www.aggsoft.com/rs232-pinout-cable/serial-cable-connections.htm

except im using 1uF capacitors and a Max232 chip.

Ive changed the serial port so they collate from a 9 pin to a 25 pin. ( 1=8 , 6=6, 4 = 20 , 7 = 4 , 8 =5)

and then i sent roo reynolds sketch https://github.com/rooreynolds/microprinter.git although the receive light flashes it does not transmit.

can anyone help me with this?

Coding Badly


Is the printer broken?  Have you tested it with a PC (or something that is not an Arduino)?

maxdovey

Hi, the printer runs successful test prints but the arduino does not Transmit (TX) only RX from the sample sketches.

thanks

Anachrocomputer


Ive changed the serial port so they collate from a 9 pin to a 25 pin. ( 1=8 , 6=6, 4 = 20 , 7 = 4 , 8 =5)


Did you swap 3 and 2? They're the other way round on a 9-pin from a 25-pin. Also, 9-pin ground is 5, 25-pin ground is 7.

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