Canon Support Code 7800. When did you last update the printer driver software? A print head error has occurred.
Is your pixma displaying the error on all print jobs, even after you restart it? If reseating the print head does not resolve the problem, replace the print heads. If you unplug the power cord, all the faxes stored in the printer's memory are deleted. Web support code appears on the lcd and your computer screen when errors occur. Web my canon tr4500 gets an error code 7800, after i changed the ink cartridge. Important if you unplug the power cord, all the faxes stored in the printer's memory are deleted. A support code is an error number, and appears along with an error message. Web find support for your canon. When an error occurs, check the support code displayed on the lcd and on the computer screen and take the appropriate action in response. It may also happen with brand new printers if using old ink cartridges in them.
What to do turn off printer and unplug it. Web my canon tr4500 gets an error code 7800, after i changed the ink cartridge. If you unplug the power cord, all the faxes stored in the printer's memory are deleted. To verify your support options please create or log into your canon account. Contact your nearest canon service center to request a repair. What to do turn off printer and unplug it. Web 7800 cause an error requiring a repair has occurred. When an error occurs, check the support code displayed on the lcd and on the computer screen and take the appropriate action in response. Is your pixma displaying the error on all print jobs, even after you restart it? When did you last update the printer driver software? If reseating the print head does not resolve the problem, replace the print heads.