Question : error message for HP laserjet 4700 model

dear all
i have printer HP laser jet 4700 model currently installed in my office sometimes it show the following error
number 68.1 i  have to press the enter button to return working fine could you please advice
best regards

Answer : error message for HP laserjet 4700 model

There is a full troubleshooting manual here: http://www.partshere.com/Models/Q7491A/CLJ_4700Troubleshooting.PDF

Beware it's over 200 pages long!  It might be worth downloading to keep for future reference if you have a number of these printers.

Snibborg