Abstract: The suspended ceiling frame having a combination clip for connecting a first perimeter member to a suspended frame and for a connecting a second perimeter member to the suspended frame. In a first orientation a first tang of the combination clip locks between upper and lower grooves of the first perimeter member and an extension of the combination clip attaches to the suspended frame. In a second orientation the first tang is locked between the upper and lower grooves of the second perimeter member, while a second tang of the combination clip is attached to the suspended frame.

Abstract: A cartridge for electrophotographic printing which contains a reciprocating photoconductor ribbon, a charging station, a developer station, a transfer station and a retractable cleaner blade. In operation, the photoconductor ribbon is directed past the charging station, through the developer station, and through the transfer station. The cleaner blade is moved into contact with the photoconductor ribbon.