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E1-22 indicates a problem with the Polygon Motor Sychronization....this is a problem in the laser unit either the Driver pcb is shorted or broken, the Laser unit pcb is defective, the laser unit itself could be defective.
Press paper tray, zoom down key, and #1 keys simultaneously. "F1" displayed. press 8, start,then 09, start. DV will run auto for 3 min. hit stop/clear. F7-22 to clear PM count.Press stop/clear until F1 displayed. Press paper tray, zoom down, and stop/clear to exit maintenance mode.
press and hold paper tray,zoom down,1 simultaniously you will enter in programe.F will come on display press 6 it will appear F6 press stark key change the value and then start key to exit the program press and hold these keys paper tray,zoom down stop key