When my computer and printer are turned off , the printer turns on by itself and shows on the front a green light and a red exclamation mark below it . to turn it off i have to pull the plug then it stays off for a time and does it again . thank you
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Re: turns on by itself
HP has a pretty good on-line troubleshooting guide for their printers. Below is a link that will out-line how to trouble shoot your particular printer and what all the lights and indicators mean.
If you are not able to resolve your issue through this, then you may be able to have a live chat session with an HP tech who can help resolve your issue.
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A quick fix for most communication errors can be achieved by
resetting the printer and/or rebooting the PC. Simply disconnect the printer
from your computer (if USB connected)> reboot your pc > unplug and
re-plug the printer into the power source to reset it. When the printer turns
on, reconnect it to your computer (if USB connected). Then try to print again
once the computer fully recognizes the USB connection or when the WiFi light on
the printer turns solid green (if WiFi connected.).
If that doesn't help, try the steps below:
Disconnect the USB cable
connecting the printer from your computer.
On your computer, go to Control
Panel > Printers and Faxes.
Delete the Lexmark print
Re-brick your printer by
pulling out the power supply - black box where the power cord is plugged
into on the back of the printer, and re-plug after 30 seconds.
When the printer turns on,
reconnect it to the computer.
Wait until your computer fully
recognizes the USB connection. To check, go to Control Panel > Printers
and Faxes. If you see a new Lexmark print object in the list, try to print
a document to verify that the problem is fixed.
use the printer settings on pc to diagnose the problem through its menu possible paper jam or an ink that is done and requires replacement but do check if there is no paper jammed in the machine and that all the doors and covers are closed
You may have to reset your printer, for when the green an red are flashing. Please do the following in order to reset the printer; 1-switch off printer itself 2-switch off at socket for 20 seconds 3-hold down both black buttons on front switch on at mains 4-switch on printer itself green and red flash together 5-now switch off at mains and leave for 3 seconds 6-while holding down both front buttons again, switch on at mains both green and red flash together so release 7-quickly hold down the left botton, the one with the scroll icon above it.
Hold this until it resets itself, - the print head will re charge and it will be obvious.
Restting by unpluggin rather than turning off at mains tends not to work.
Let's Try first if it can print without using your computer just to check if printer is working fine by itself.
step1 Make sure its not connected to the computer and there is paper loaded on the printer. Turn off printer, press and hold paper button (middle button) then press and release the power button (right button). If you can see a flashing green light release your hold on the paper button.
If it prints by itself good go to step 2 if not check what lights do you see. Solid red light on ink light (tear drop button) means one or more inks is empty. Epson printer will not print if one or more ink is empty.
step2 Check if computer can detect printer goto start/control panel/systems/ click on hardware tab and click on device manager On device manager click on Universal Serial Bus controllers press on the "+" sign check if there is USB printing support on it Check if there is a mark (ie. ?, !, red x mark). If none good there is no conflicts. If there is a mark right click on USB printing support and click on update driver and install recommended