HP and other Printers have a lot of little basic bugs, but if you know how to deal with some of the more habitual problems you will make the printer your friendly companion to your tasks and projects.
Error code 14 Problem: "No EP Cartridge or No Toner Cartridge" error message
Possible Causes and solutions:
* No toner cartridge or cartridge not fully seated - pull it out and install it again. On the IIP/IIIP the connections for the high voltage are made on the left side of the printer so you may want to favor that side as you install the cartridge.
* On the HP LaserJet/LaserJet Plus (2686A/D) this can be caused by a defective cassette micro switch in which case you will have to repair or replace it.
* On the II and III Series printers, this error message can be caused by a faulty paper control PCA. This is the board mounted to the DC power supply which is in the right front corner of the printer. Press the spring contacts and listen for the micro switches. You should hear a definite clicking.
* On the II and III Series and the IIISi/4Si, make sure at least one of the two drum sensitivity tabs are present. 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.
* Can also be caused by a defective DC controller. Pretty rare though.
Error code 14 Problem: "No EP Cartridge or No Toner Cartridge" error message
Possible Causes and solutions:
* No toner cartridge or cartridge not fully seated - pull it out and install it again. On the IIP/IIIP the connections for the high voltage are made on the left side of the printer so you may want to favor that side as you install the cartridge.
* On the HP LaserJet/LaserJet Plus (2686A/D) this can be caused by a defective cassette micro switch in which case you will have to repair or replace it.
* On the II and III Series printers, this error message can be caused by a faulty paper control PCA. This is the board mounted to the DC power supply which is in the right front corner of the printer. Press the spring contacts and listen for the micro switches. You should hear a definite clicking.
* On the II and III Series and the IIISi/4Si, make sure at least one of the two drum sensitivity tabs are present. 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.
* Can also be caused by a defective DC controller. Pretty rare though.
Fixing ink cartridges are easy but fixing laser cartridges are little difficult if you are doing it for the first time. Printer service centers can do this easily because they have done it numerous times. Useful post regarding this topic. Thank you.
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