Summary: I've been using this copier for about 5 years. Starter cartridge yields about 50% output. Replacement cartridge lasts quite a while. Bought a large Storm case (similar to Pelican) for it, and I take it to the shooting range with me to run some copies for each class I teach. Never any problems. A fellow instructor has a PC 140 that he's been using even longer without any problems. Only drawback so far: the feed and collection trays are a bit fragile.
Summary: After setup per the instructions, copies were very light. Tried adjustments allowed by copier but no improvement. Removed toner cartridge and shook it side-to-side... that resulted in copies a little darker but still not acceptable. Conclusion: toner cartridge supplied with the PC150 is almost worthless.
February 16: Purchased a replacement toner cartridge for $33.94 and the PC 150 makes very good copies. Toner that comes with the PC 150 is trash.