Error code 077-901 on the 3110cn laser printer typically indicates a problem with the imaging unit or the toner cartridge. To fix this, first, power off the printer and check that all toner cartridges are properly seated and not empty. If the cartridges are fine, consider replacing the imaging unit, as it may be worn or defective. After making any necessary changes, power the printer back on and see if the error persists.
LSU: Laser Scanning Unit.
Firmware error on the JetDirect card.
The laser printer was invented in 1969 by Gary Starkweather at Xerox. The first commercial laser printer, the Xerox 9700, was released in 1977.
If you have an HP laser printer, I suggest you buy it directly from HP online store. I find it cheaper to get laser printer cartridges from them for my HP laser printer. If you have a different brand of laser printer, amazon is a good place to start if you're looking for a cheaper laser printer cartridge.
If the vellum is rated for a laser printer, it shouldn't be a problem. You do NOT want to use inkjet paper in a laser printer, or vice-versa.
RIP.
Laser printers use a drum and toner in the printing process.
Laser
If the transfer paper isn't made for laser printers, then the laser printer melts the paper. You can do major damage to your printer.
A laser printer uses a dry toner powder in a sealed cartridge.
Laser printer is the best printer on all these three categories.
laser printer