Probably the problem is not with the pgbk cartridge in your case. May be another cartridge circuitry is gone. Try cleaning the printhead with ipa or ethanol water mixture. HV pin masking for cartridge other than pgbk will be different. Thanks.
Hello, I have got an update on MX922 B200 error fixing for those who have tried washing with ethanol/Isopropyl alcohol and tap water mixture(50:50) and other washing with no luck. You will have to mask the top left 3 pin terminals of the printhead to...
