Replaced toner cartridge but toner light and status light stay on. printer still not printing

Replace the toner cartridges with OEM toner

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Half circle symbol means printer is in ready state. The printer control panel is comprised of six lights and two buttons. The lights produce patterns that identify the printer status.

1 Jam light: Indicates that there is a jam in the printer.
2 Toner light: When the print cartridge is low, the Toner light illuminates. When the print cartridge is out of the printer,
the Toner light blinks.
3 Paper out light: Indicates that the printer is out of paper.
4 Attention light: Indicates that the print-cartridge door is open or other errors exist.
5 Ready light: Indicates that the printer is ready to print.
6 Go button and light: Initiates action or indicates status.
7 Cancel button: To cancel the print job that is currently printing, press the Cancel button.

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Toner light comes on and status light is red after replacing toner cartridge

It is a color laser printer.it has 4 toner cartridge(1)black(2)magenta(3)cyan(4)yellow all cartridge is missing or toner finished.Please purchase full set toner.All toner cartridge has a image sensor.When toner is run out then it is out of work.

In this case, actually it is not the Black toner that got depleted. Here the message being displayed indicate that one of the color Toner supply need to be replaced as it got depleted and currently the printer is printing in Black and white using the Black toner cartridge.

in this case, to troubleshoot these issues please try performing the following and check for the results.

* 1. Check for the level of the toner cartridges:

a) Check from the HP Toolbox application. Here are the steps to be performed from your PC:

* Access the Toolbox software.
* Select the Status tab.
* Select the Device status option.

Here you can check for the supplies status in terms of the % remaining for each toner cartridges.

b) By checking the supplies status from the printer control panel display.

On the printer display when printer is in Ready mode the supplies status can be checked from the supplies level indicator. Each toner cartridge and the Imaging drum level will be indicated by a bar which varies according to the level of the supplies present.

c) Print the supplies status page from the printer.

* On the printer control panel menu, press Menu .
* Use the (Right Arrow) button to select Reports, and then press Enter .
* Use the (Right Arrow) button to select Supplies Status, and then press Enter .

If any of the color toner cartridges and the Imaging drum have a low supply level replace them with genuine HP print cartridges.

The part numbers of the consumables are as follows:

* Black print cartridge - Q3960A
* Cyan print cartridge - Q3971A
* Magenta print cartridge - Q3973A
* Yellow print cartridge - Q3972A
* Imaging Drum - Q3964A

well it may need to be completely reset or you could try seeing if it is jammed or stuck in some way

A red Status light means 'paper jam'. A red light corresponding to one or more of the toner cartridges means empty cartridge. A flashing red light corresponding to one or more toner cartridges means low toner.

It means that the printer is in READY State.

Control panel
The printer control panel is comprised of six lights and two buttons. The lights produce patterns that
identify the printer status.
1 Jam light: Indicates that there is a jam in the printer.
2 Toner light: When the print cartridge is low, the Toner light illuminates. When the print cartridge is out of the printer,
the Toner light blinks.
3 Paper out light: Indicates that the printer is out of paper.
4 Attention light: Indicates that the print-cartridge door is open or other errors exist.
5 Ready light: Indicates that the printer is ready to print.
6 Go button and light: Initiates action or indicates status.
7 Cancel button: To cancel the print job that is currently printing, press the Cancel button.

Print a Supplies Status page to see the actual pages printed...

To print the Supplies Status page from the printer, on the printer control panel, select
Reports Menu, Supplies Status, and then Print Supplies Status page.

If the page count from the Supplies Status page indicates that the toner should not be in need of replacement then you have a bad cartridge. Actually, the cartridge is probably fine but the chip on the cartridge has got a problem. Return the cartridge to O.D. and get another one. Unfortunately, chips that don't work properly in not all that unusual so HP has a pretty easy return policy.

Hope this helps.