| Part Number | Description |
| 41X4582 | 250-SHEET TRAY INSERT (STANDARD) |
| 41X1781 | 550-SHEET TRAY INSERT (OPTION) |
| 41X1784 | 650-SHEET DUO TRAY INSERT (OPTION) |
| 41X4523 | 550-SHEET OPTIONAL DRAWER WITH TRAY |
| 41X4524 | 650-SHEET OPTIONAL DUO DRAWER W/TRAY |
| 41X2331 | AC POWER TO LVPS CABLE |
| 41X4421 | BEZEL (BLANK) |
| 41X4358 | BEZEL FOR CS531 |
| 41X4359 | CONTROL PANEL DISPLAY, 2.8-INCH |
| 41X4351 | CONTROL PANEL DISPLAY, 4.3-INCH |
| 41X4339 | CONTROL PANEL FLAT CABLE |
| 41X4328 | CONTROL PANEL HINGE |
| 41X4326 | CONTROLLER BOARD |
| 41X4331 | ENGINE BOARD |
| 41X1289 | EP DRIVE ASSEMBLY |
| 41X2330 | EP MOTOR TO CONTROLLER BOARD CABLE |
| 41X4344 | FRONT AND RIGHT SIDE INTERLOCK SWITCH COVER |
| 41X2663 | FRONT COVER INNER DEFLECTOR |
| 40X7619 | FRONT COVER STRAPS |
| 41X4330 | FRONT DOOR |
| 41X4370 | FRONT USB CABLE |
| 41X4337 | FUSER DEFLECTOR |
| 40X7629 | FUSER DRIVE MOTOR ASSEMBLY |
| 41X2328 | FUSER EXIT NARROW MEDIA TO CONTROLLER BOARD |
| 40X5413 | FUSER EXIT SENSOR |
| 41X5000 | FUSER MAINTENANCE KIT, 110 V |
| 41X5001 | FUSER MAINTENANCE KIT, 220 V |
| 41X4997 | FUSER, 110 V |
| 41X4998 | FUSER, 220 V |
| 41X4347 | FUSER/INPUT SENSOR CABLE |
| 41X4346 | HVPS |
| 41X2334 | HVPS TO CONTROLLER BOARD CABLE |
| 41X1039 | IMAGE TRANSFER UNIT (ITU) |
| 41X2854 | INTELLIGENT STORAGE DRIVE (ISD) |
| 41X0580 | ITU GUIDE |
| 41X4342 | LEFT COVER |
| 41X0774 | LOCKING CASTER |
| 41X4924 | LOWER LEFT SUBFRAME |
| 41X4354 | LOWER RIGHT SUBFRAME |
| 41X4340 | LVPS TO CONTROLLER BOARD CABLE |
| 41X4275 | LVPS, 115 V |
| 41X4276 | LVPS, 230 V |
| 41X0397 | MAIN FAN |
| 41X1292 | MEDIA FEEDER |
| 40X7178 | MPF PICK TIRE ROLL WITH WEAR STRIPS |
| 41X4343 | NARROW MEDIA/BIN FULL FLAG |
| 41X0775 | NON-LOCKING CASTER |
| 40X7301 | PHOTO SENSOR AND RETAINER (ONE PER PACKAGE) |
| 40X5168 | TIRES, PICK (2 PACK) |
| 41X0764 | PRINTER STAND |
| 41X2844 | PRINTHEAD |
| 41X4350 | REAR COVER |
| 41X4334 | RIGHT COVER |
| 41X2832 | SENSOR (TPS) |
| 41X2327 | SUBFRAME CABLE COVER |
| 41X4336 | TONER CARTRIDGE CONTACT |
| 41X4323 | TONER COVER |
| 41X4322 | TONER METER CARD |
| 40X7633 | TOP COVER ASSEMBLY |
| 41X4338 | TRAY 2 TO CONTROLLER BOARD CABLE |
| 41X4320 | TRAY PRESENT SENSOR CABLE |
| 41X2873 | TRUSTED PLATFORM MODULE (TPM) CARD |
| 41X4319 | WASTE TONER BOTTLE CONTACT |
| 41X1290 | WEATHER STATION |
| 41X4318 | WEATHER STATION CABLE |
| 41X4177 | WIRELESS CARD (MARKNET N8450) |
