HP Q7829-67920 Pick-up Roller Cover – Plastic Cover That Protects The Paper Pick-up Roller and Separation pad Located on The ADF
HP Q1292-60258 Back/center cover – Covers the back and center of the printer and is located under the access door
HP RM1-8290-000CN Control panel assembly – Control buttons and display located on right top corner of the printer – For use only with LaserJet Enterprise M601 printer series