Lexmark T612 Laser Printer – Error Code 928 Service Erase Lamps


Start with checking the serial number label and look for the ‘B’. If it’s there, as I suspect it will be, you don’t have erase lamps. You’ll need to replace the High Voltage Power supply.

Continue Reading

Troubleshooting Lexmark 4069 Fusers – Part 1


In my previous post I wrote about Lexmark T-Series fusers in general. Now I’ll get more specific. In this post I’ll try to provide some, hopefully interesting, observances about individual model idiosyncrasies, challenges and opportunities.

Remember, I’m not trying to tell anybody how to troubleshoot. Nor am I claiming that all the information contained here is gospel. This is just some stuff I’ve noticed, experienced and talked with other techs about over the years. It’s information that’s worked for me. I hope it works for you.

At the outset I’d like to say that Lexmark fusers are ‘complicated simplicity’. I said in the last post that Lexmark hasn’t changed much of the basic design since the Optra S. That’s the ‘simplicity’. The ‘complicated’ enters the picture with the number of little variations within each model according the Type Number.

Let’s begin our fuser journey with the Lexmark T61x.  Continue Reading