The original Commodore 64 power supplies left a lot to be desired. While the circuit is a fairly straight forward linear design, one component, the voltage regulator, tends to fail in an unsafe manner. This, combined with the decision to fill the power supply housing with epoxy (called potting), makes these devices potentially dangerous to…
When working on older printers you will often encounter cryptic error codes. These are the most common ones I encountered on HP II and III series printers. Many of these codes have remained unchanged to this day on HP printers. Error Code Error Description Things to Check or Try 13 Paper Jam Check where paper…
There are a lot of parts to a printer but most problems are attributed to a select few. We have collected some of the more common parts for these machines below. Be aware that the Apple LaserWriter II uses mostly LaserJet II parts but, at the very least, the formatter and covers are different. Feed…
Laser printer restorations can be challenging. See some of the challenges you might face, and solutions for them, as we restore this HP LaserJet II. I tucked this Vintage HP LaserJet II away about 15 years ago and have not touched it since. Now that it has passed its 30th birthday I thought it would…
Here are some of the tools in my toolbox that I absolutely love. These are those few items that are a pleasure to use every time! In cases where they are available on Amazon, I will include a link. Auto Wire Strippers I have had my automatic wire strippers since my college days in the…
