20 Most Recent Lexmark E450dn Laser Printer Questions & Answers

The way that I have found to fix this problem is to replace the logic board but when you do that, this is where the NVRAM mismatch comes in. Once you change the logic you also have to change the display op panel. That is what is giving you this error. You must change logic and op panel at same time and it will not give that error.

Turn off printer and turn back on after 30 seconds to give it a chance to reset. Make sure the printer is plugged in straight to the power outlet in the wall. Bypass any surge devices or power strips, even if the printer previously worked correctly with these, as they can cause low amperage problem which can trigger a false printhead error. You can also try to plug the printer to another known working power outlet just to eliminate the power source as a possible cause of the issue. If error continues, printer may require service. Contact Lexmark technical support or an authorized service provider for further assistance.

The printhead is the laser, tou have an error in the laser assembly (replace the laser assy).

Here's an article on Receiving a Paper Jam Message When Using the Front-loading Manual Feeder on a Lexmark E250d/350d/352dn/450dn. Click on this link: http://bit.ly/cWZVZo. Read thoroughly, you might get some tips on how to avert this problem in the future. If problem continues, I suggest you contact Lexmark technical support to further investigate the problem.

This is a possible pick tire issue. Try to reverse the tires, turning it inside out. Fan the paper and adjust the tray guide. If that doesn't help, printer will probably require service. I suggest you contact Lexmark technical support or your authorized service provider. Thanks.

935.10 error usually means dirty lens only. clean the lens with lint free cloth. do not use compressed air as it will force toner into the printhead assembly.

re-seat all connections from printhead to controller card and all connections at the printhead as well this is a "hard" failure of the printhead . it is slightly possible it could be a bad connection . but it is probably the printhead itself which is bad ...

Have you recently tried adding to or replacing the internal rem modules? If not they could have developed a fault. Try removing the and rebooting the printer see if that resolves the issue. I have also see this happen with a faulty daughter board which the ram plugs in to on a hp printer

go into control panel or where ever you go and open printers and hardware. choose the printer, in the menu left topside. click on file or edit one of the choices has the cancel all documents. at least this is the only way I've been able to. good luck