These printers use the FO29TD cartridge:

Sharp AL 800

Sharp AL 800 Series

Sharp AL 840

Sharp AL 841

Sharp AL 880

Sharp AL 888

Sharp AL F-880

Sharp FO 2900

Sharp FO 2950

Sharp FO 2950 M

Sharp FO 2970 M

Sharp FO 3150

Sharp FO 3800

Sharp FO 3800 M