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ECONNREFUSED when printing by network

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
nodejs, typescript
Domain
networking

Research direction

Start with the supplied escpos.Network(ip, port) call and the ECONNREFUSED connection to 192.168.1.119:9100. Reproduce the network-printing path and compare it with the working USB path; done means determining whether the failure is in the library or the printer/network endpoint.

Written by the indexing model from the issue text.

Description

USB interface tested and worked.

But I'm getting this error while trying to print by Network interface:

Error: connect ECONNREFUSED 192.168.1.119:9100
    at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1487:16) {
  errno: -61,
  code: 'ECONNREFUSED',
  syscall: 'connect',
  address: '192.168.1.119',
  port: 9100
}

Ping to printer:

➜  ~ ping 192.168.1.119
PING 192.168.1.119 (192.168.1.119): 56 data bytes
64 bytes from 192.168.1.119: icmp_seq=0 ttl=64 time=6.388 ms
64 bytes from 192.168.1.119: icmp_seq=1 ttl=64 time=7.135 ms
64 bytes from 192.168.1.119: icmp_seq=2 ttl=64 time=5.781 ms
64 bytes from 192.168.1.119: icmp_seq=3 ttl=64 time=7.053 ms
^C
--- 192.168.1.119 ping statistics ---
4 packets transmitted, 4 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 5.781/6.589/7.135/0.549 ms

Code:

const escpos = require('escpos');
escpos.Network = require('escpos-network');

const netPrint = (ip: string, text: string, encode: string, fontSize: number, port: number) => {
	const device = new escpos.Network(ip, port);

	const options = { encoding: 'GB18030' };
	const printer = new escpos.Printer(device, options);

	device.open(function (err: unknown) {
		if (err) {
			console.log(err);
			return;
		}

		printer
			.font('B')
			.align('LT')
			.style('NORMAL')
			.size(fontSize, fontSize)
			.marginBottom(1)
			.encode(encode)
			.text(text + '\n\n')
			.cut()
			.close();
	});
};

export default netPrint;

Anyone had this problem??

Dominant language
TypeScript
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