Fix your printer !

Solution : Take out both ink cartridges and leave them on tissue. Clean both cartridges thorougly with a dry cloth, and dab with tissue The four buttons in a circle with the button in the middle: press it and hold whilst the printer is ON for up to 30 seconds Pull out all trays Put the cartridges back in, put trays back in

This system error indicates a communication error. Solution : Check the cable connection between the plotter and PC, retry the print job. Make sure you are printing the job over the right driver (in a proper format) - not a HPGL/2 job to a plotter with no HPGL card or a Postscript job to a plotter with no Postscript support.

Solution from HP: Disable Windows Update and startup services and reinstall the HP software Windows Update and startup services might interfere with the HP software installation. Follow these steps to download the latest HP software to your computer, turn off startup services, and then reinstall the software. Step one: Download the installation files to the computer Follow these steps to download the most recent software from the HP Web site. Even if you were installing using the software CD, HP recommends that you follow these steps to obtain the latest version. Do not install the software yet (download only). You will be prompted to do so later in this document. Open a new window to browse to the Select Software and Drivers page: Right-click this link, Select Software and Drivers , and then click Open in New Window . If prompted, type your product number. You might also need to click it in a list of similar products. Click your operating system. The Selec

Solution : Press and hold the 'Reset' button down for 5 seconds.

It's a problem of the home position. Solution 1: Try to clean the small silver square on the edge of the transfer belt and the sensor that looks at it. Solution 2: Replace the belt (OPC)

Solution : Open the back cover. Pull the flap down that hides the orange roller on the fuser (be careful: it's hot) Locate the inner flap that runs from the centre to the right hand side. 3/4 along the right hand side, there is a sticky out bit on this bar that should sit in a hole. Locate it properly and the error will go away.

Here are some solutions to solve error code 6A80 on Canon printers: MP520, MP540, MP620, MP550, MP560, MP600, MP610, MP630, MP800, MP810, MP830, MP970, MP980, MG5100, MP640, MP990, MG5200, MG5300, MG6100, MG6200, MG8100, MG8200 Solution 1 : Switch the printer OFF Press buttons 1 + 2 + 3 and 4 (simultaneously using four fingers) Keep pressing this four buttons for 10 seconds Release the On/Off button (number 4) (Keeping pressing the others) After a few seconds (when the printer go ON), release buttons 1, 2, 3 Solution 2 (Thanks to Dick): I discovered that the head was blocked from moving all the way to the right by a white nylon lever and discovered that there was a thin, small pad that had come loose and was blocking the mechanism to activate the head motion.  One pad was about 1/2 inch by 1/2 inch and a second was a narrow 3/32 x 1/2 inch pad both about 1/16 thick.  I removed these pads and the printer returned to normal.  Solution 3 (thanks to anonym):