OPC Drum Kit Requires Use of Ricoh Type 28 (Aficio 2018) Developer Developer is Not Included in This Drum Kit Contains (1) OPC Drum (1) Drum Cleaning Blade (1) Charge Roller Wipe (1) Developer Measuring Cup (1) Rebuild Instructions For use in AFICIO 1515 , AFICIO 1515 F , AFICIO 1515 MF , AFICIO 1515 PS , AFICIO MP 161 , AFICIO MP 161 F , AFICIO MP 161 L , AFICIO MP 161 LN , AFICIO MP 161 SPF , AFICIO MP 171 , AFICIO MP 171 F , AFICIO MP 171 LN , AFICIO MP 171 SPF , AFICIO MP 201 F , AFICIO MP 201 SPF