These are small rectangular blocks of plastic which contact the switches in the printer. On the 4V/4MV check the toner cartridge micro switch on the High Voltage PCB — SW501. Also on the 4V/4MV check the door open sensor (PS402) on the terminal board located under the transfer roller. Check for opens on the cable. IIISi/4Si check the door open sensor flag, PS1. Also check the toner level sensor and the toner cartridge itself for damage. It can also be caused by a defective DC controller. The information contained on this chip is dependent on the printer model and the supply.
Defective Formatter PCA — Replace with known operational board and try again.Firmware Update — The configuration page lists the firmware version of the product. Restart printer. If error is gone replace each EIO device until error appears. Option 1: Configure hotspot at software installation 1 After having installed the printer driver, select the option to Enable Hotspot & Direct Print, and then click Next. 2 Select one of the Security Mode options, and then click Next. Pretty rare though.Backback to top Error 16 Toner Low Toner cartridge is empty or toner in cartridge is not distributed evenly.
Front paper guide door is worn or maladjusted stopping paper from reaching registration assy II, III If no jam visible, replace cable between fuser and DC controller. II, IID, III, IIID Replace registration assy. Defective Tray Size Sensing or Configuration — Most trays have tabs which depress a series of switches when installed. Replace appropriate fan as needed.Back back to top How did we do? Replace memory PCB 53-2 — Error in rear memory slot. Error 55 On IIISi/4Si Printers this is due to the DC controller not receiving the proper information upon startup. Page of 16 Please, turn your attention 2012-2017 Upload manual Thank you for your help!