Description Part Number
128MB DDR DRAM DIMM 40X5937
256MB DDR DRAM DIMM 40X5938
512MB DDR DRAM DIMM 40X5939
550-Sheet Duo Drawer w/ 100-Sheet MPF complete 40X2284
550-Sheet Tray w/ 100-Sheet MPF tray only 40X5435
64MB Flash Card 40X1455
Autocompensator mechanism (ACM) standard tray 40X5410
Cable packet 40X5423
Controller board, C540n, C543dn 40X5428
Dust cover 40X5441
Exit deflector and bin full sensor flag 40X5433
Front cover, C543dn, C544dn, C544n 40X5430
Front cover, C540n 40X5420
Fuser drive motor 40X5415
Fuser exit sensor 40X5413
Fuser plus ITU Maintenance Kit, 110V 40X2254
Fuser plus ITU Maintenance Kit, 220V 40X2255
Fuser, C540, C543, C544, 110-120V 40X5437
Fuser, C540, C543, C544, 220-240V 40X5438
High-voltage power supply 40X5405
Image transfer unit (ITU) 40X5403
ITU paper path thermistor 40X5429
Left cover 40X5417
Lower left frame and lower right frame w/ cable cover 40X5422
Low-voltage power supply (universal power supply) 40X5409
Main drive gear, with motors 40X5412
Operator panel (DBCS) and display 40X5436
Operator panel and display 40X5431
Operator panel bezel and name plates 40X5432
Photo sensor (one per package) 40X5426
Pick tires 40X5168
Printhead 40X5411
Right cover 40X5416
Toner cartridge contacts (Pogo pin) 40X5421
Toner density sensors, left or right (one in package) 40X5414
Toner meter cycle card 40X5404
Top cover 40X5418
Tray 250-sheet, C54x 40X5419
USB cable, packaged (2 m) 40X1368
USB port and cable (for portable flash drive) 40X5425