my fellow copier techs, if you have a working laser unit for this canon and i'm not going to go poor buying it from you please let me know because i pulled this box into my shop since i couldn't fix it in my customer's premisees due to blank edge, after replacing all things connected with problem it wouldn't go away, laser unit is the solution, POST PRICE and we'll discuss it further, thanks for helping ( smarka says i was forbidden from entering their site and i never did anything to deserve it, what's up with that? ) JamesR