When the ERROR light glows steadily, you may be able to correct the problem yourself.
Use the buttons:
●POWER button—Press to turn the power on or off. When the power is turned on, the POWER light illuminates.
●ONLINE button—Press to take the printer online or offline. In online mode, you can control the 8500 printer through the computer.
●PRINT button—Press to reprint a valid job that is still in the image buffer. This button is not available when image data has not been sent or the 8500 printer is online.
●INTERFACE select button—Press to select either Parallel and USB. The light of the selected interface blinks. This button is not available when the 8500 printer is online.
●OPEN button—Press to open the top cover. Open the top cover when loading the ink ribbon or clearing a paper jam.
NOTE: Do not open the top cover during printing. Doing so may cause a print error and malfunction of the printer.