Canon imagePROGRAF IPF710 Printer "enter service mode ipf" Questions

...Service Mode but we don't know what and how to reset. P.S. the problem is that it's Sunday in our country and none of the service companies work. We have a lot of copies to print. Please help. And ...

...enter the service mode and perform print head replacement. Be carefull of the firmware update. you have to do the firmware update first como entrar al modo de servicio en canon iPF710 Error ...

...service mode, or how to find the cause of this endless cycle? I am also getting the same error.....No idea what to do? Help me please if anybody solve this issue I had the same problem and the answer ...