20 Most Recent HP LaserJet IIIp Printer - Page 9 Questions & Answers

try with new cartrige

there is paper inside machine, look behind the fuser or inside duplex unit

LOOK IN YOUR MANUEL PAM, MAYBE YOUR OUT OF INK OR PAPER OR SOMETHING???

The last option under the system setup menu allows you to chose your language.

Delivery fan (fan #4). These are the fans that are at the top of the printer just over the top of the fuser. They might just be dirty or they might be defective.

If you have already removed the paper from the output bin, check the delivery flaps to make sure they move freely. If they do, remove the top and make sure the sensor flag isn't broken and that the sensor is connected and undamaged. If it is connected and undamaged, check connector J213 on the engine controller is seated correctly. If it is, you probably need to replace the output bin sensor. See attached video

Try this http://h10032.www1.hp.com/ctg/Manual/bpd08798.pdf or this (download or view online from this address) HP Deskjet 940c Manuals or go here http://www.devicemanuals.com/productsupport/HP_Deskjet+940c_manual.html The hp website does not seem to have manuals but has other info (how to's) which be of help HP Deskjet 940c Printer support 9.November.2015

Try Engine test:turn on device open tray 1 and load paper (1 is the manual feeder)when you open tray 1 there's an engine-test switch, found it and press itEngine error are also cause too much resistance from toner, fusor or gears. Remove toner and check that it roll with your fingers on gears, and do same with fusor (could be very hot warning - should be hard move it but not too much) and with printer off and fusor removed check if you can move any gear manually (this can be harder but will help you determine if it's board error or resistance cause a gear problem).Any previous error happened with the printer can help to diagnose (jams, power off while printing...)

HP.com see the support section.

LaserJet 9050 MFP DISK NOT INITIALIZED

This could be a fuser issue or a paper exit sensor issue. Please take out the fuser and check the pressure roller. Be careful, the fuser is extremely hot.

communication error: If you upgrade the print driver it will solve this issue. You can find the print driver at http://www8.hp.com/us/en/drivers.html Good luck !!

replaced the ETB.

Google with your question and you find videos to do so

79 is an firmware error. Try to update the firmware. You can find the file on HP website, on the Drivers and Support section. There must be also the procedure to execute the update.