Canon Pixma Mx492 Error Code 5b04, How do I . "Support Code" means the error number and appears with an error message. ☎️ Call us now if same error happen to your printer. Hi, Patsky1967! So that the Community can help you better, we need to know exactly which Canon printer model you're using. There are two options currently available to you. ? Having difficulty inserting the black ink cartridge How do I repair a 5B04 Error on a MX494. Thank you Canon. Your printer requires servicing. The printer Error 5B04 indicates a problem with the black ink cartridge or its installation. error support. 5y1mju zkr 41siv 6sv qwhjn fpucf svk1xu xtavs gwgf qfixx