Assembling the Printer
2. Push firmly on the knob until it fits against the printer case.
Installing the ribbon cartridge
Follow these steps to install the ribbon cartridge.
1. Slide the print head to the middle of the printer.
CAUTION: Never move the print head while the printer is turned on because this can damage the printer. Also, if you have been using the printer, the print head may be hot; let it cool for a few minutes before touching it.