Dell 1720 laserjet printer

Turn off the printer
Open the front cover
Press and hold the Continue button as you turn on the printer - all the lights will cycle
Release Continue button and close the front cover
Press the Continue button until the lights cycle and the configuration page will print

To resert drum counter, Use the following steps.

1. Open the front door.
2. Press and hold the cancel button (x button) until all the lights flash in in order.
3. Then close the front cover.

This will reset the drum counter so that you can continue to print.

click here
click on above link then select your operating system and download driver then install.

Let me know if you need more assistance.
Thanks.

There should have been instructions with the replacment drum unit, for resetting the drum counter.

If not check your manual, or if you can't find it, download ot from Dell website

1. Turn off the printer.
   
2. Open the front cover.
   
3. Press and hold the Continue button as you turn on the printer.
   All the lights cycle.
   
4. Release the Continue button .
   
5. Close the front cover.
   The light sequence representing the Home menu is displayed.
   
6. Press the Continue button until all the lights cycle.
   The Printer Settings Configuration sheet prints.
   

This is a issue with the printer drive that windows is holding, not the printer. To Un-install your printer drive the correct way, goto add/remove programs, and un-install the printer there, then open up your printer control panel and right click where there is no printer. In the right click menu click server properties, then click the drivers tab, then remove the 1720/1720dn drivers there. A system restart will be necessary in most cases before it will let you remove the drivers(the Microsoft print spooler is to blame here for that). If this still doesn't work for you, then install a hp laserjet 4 driver and see if it does the same thing. if not, then it is something with the driver/spooler, if so, then it is the MCU of the printer, and you might want to look at buying a new printer.

Chances are the formatter board on your printer is going out, if it is still under warranty i'd call dell otherwise prob cheaper to get a new one

I believe this message is occur because the laser printer drum needs to be replaced, not the toner cartridge.

These are two different things. The part is a DELL 310-8710 Drum Unit. Just google DELL 1720N drum and you should be able to find one.

The second link was the helpful information. Also, to cut through all of that --

If you need to reset the counter:

1. Remove drum kit with toner

2. Make sure all print jobs are flushed otherwise whatever has been sent and not printed will come spewing out.

3. Hold down CANCEL Button until all lights flash through.

4. Slide the drum kit and toner properly into the Printer.

done.

I would move the printer to another computer. See if the problem follows. I have seen the issue a few times with issues in normal.dot but also in other office applications.

Problem I'm fighting with on my 1720 is its printing extra pages between pages. basically print a 5 page document and get an 8/9 page final with the extra blank pages. Think its a user error but could be machine related. going to try it on another PC and see what happens.