The laser printer has a built in computer that manages all its functions. The computer is controlled by program in non-volatile memory (like a BIOS) which can occasionally be updated with new software from the printer manufacturer..
Firmware
No.
DC controller
DC Controller
how do i program the controls
Firmware
Printer firmware is a program inside a printer, that allows it to receive data from a computer and so print on paper.
printer
When a DOS-based program has a problem printing to a network printer
Ubuntu: system-config-printer brings up a GUI printer configuration
Most printers have a tools area as part of their program. Go into your printer on your computer and look for the menu item to troubleshoot the printer.