Toner vacuum absorber service assembly - For 220 VAC
Drawer connector - Connector located on top of tray assembly frame (right side) which connects tray assemblies to each other
Control panel assembly - Control buttons and display located on top front of printer
Right door assembly - Drop down door use as the multi-purpose/tray 1 - For duplex model only
80GB SATA hard drive 2.5in width
Hard drive - High performance SATA 3.5 EIO serial ATA hard drive
80GB SATA Hard Drive 2.5 Hard Drive for Hewlett Packard Color MFP models.
Low voltage power supply fan (FM1)
HP PCA-MFP Analog 500 Fax controller PCA for Hewlett Packard Color LaserJet Enterprise and CM3530 MFP models and M4555 MFP models.
500-sheet tray feeder cassette replacement kit tray assembly unit.
Fuser assembly - For 110 VAC - Bonds toner to paper with heat
Duplex reverse guide assembly
Pick-up lower guide assembly
Laser/scanner assembly
Scanner controller board (SCB)
HP Color LaserJet CM3530 series Formatter (main logic) board assembly.
Fax printed circuit assembly (PCA) - Accessed from the rear of the unit - Located on the formatter boardHP LaserJet analog fax accessory 300
High voltage power supply lower PCA (HVPS-D)
High voltage power supply upper PCA (HVPS-T)
Low voltage power supply PCA - For 110 VAC
Photo-interrupter sensor assembly (Does not include the sensor flag)
Secondary transfer roller assembly - Long black spongy roller that transfers charge to paper.
250-sheet paper tray cassette
Tray 2 cassette assembly
500-sheet paper tray cassette
500-sheet paper feeder and tray/cassette - This is the assembly frame and tray that the printer sits on top of
500 Sheet feeder kit HP Color LaserJet Heavy Media Tray (M757/M550) 500 Sheet Assembly.