Troubleshooting “black pages” caused by a toner leak


More often than not, toner leaks aren’t a serious problem.  When you simply remove the toner cartridge that is leaking and carefully clean out the print cavity, the machine is back in business. In a worse case scenario, you may need to vacuum out the print cavity to clean up larger messes.

Sometimes, however, it’s not this simple.

Case in point
On a recent service call for a leaking toner, the leak actually led to paper jamming under the toner cartridge. Continue reading

HP LaserJet 10.00.00 Supply Error


This error happens most often when a customer installs a new toner cartridge (the error suddenly appears on the display), but can also occur after the cartridge has been in the machine for a while or when the wrong cartridge is installed in the printer.

This 10.00.00 supply error is more often than not related to the chip on the toner cartridge but can also be caused by the reader inside the machine. Personally, I’ve never seen this error occur when using an HP OEM cartridge, I have only seen it when a customer is using a rebuilt or third-party cartridge.

In the HP 4200 and 4250 series the 38 and 42 cartridges can go into either machine. While they are hard to get in and out if interchanged, it can be done. When customers have multiple units of each printer in their business, they occasionally install the wrong cartridge, Continue reading