My TAZ 5 just caught on fire!! Luckily the house has smoke alarms and the fire was mostly the current print item and the X-carriage ABS burning. I’ll post some pics. I had just swapped hot ends so I’m sure the stock TAS 5 is not a risk, but please make sure a fire extinguisher is handy. I was also printing at 260 degrees, but the ABS would not flow below that so I suspect the termistor was off. No damage was done to anything but the printer itself, except a little soot on the ceiling. However, if I had had not extinguished the fire there is a good chance the ceiling could have burned eventually. Flames roses 3-4 feet above the print bed, which was on a table. Once again I think I did something wrong and do not think the TAZ is unsafe, just make sure you can put out burning plastic if necessary!!
This is the second time smoke alarms have saved my house from burning. Several years ago I had a Lipo explode while charging, catching the table it was sitting on on fire. If you dont have smoke alarms, please get them. Its very cheap safety for you and your family.