| Description | Part Number |
| 1024MB DDR2-DRAM | 40X5303 |
| 256MB DDR2-DRAM | 40X5301 |
| 256MB flash card | 40X5704 |
| 512MB DDR2-DRAM | 40X5302 |
| ADF cover open flag | 40X5191 |
| ADF document input tray | 40X5192 |
| ADF exit sensor with cable | 40X5166 |
| ADF front case | 40X5195 |
| ADF front case cover | 40X5196 |
| ADF hinge (left or right) | 40X5209 |
| ADF lid handle cover | 40X5201 |
| ADF motor gear train | 40X5208 |
| ADF paper stop | 40X5193 |
| ADF pick pad | 40X5189 |
| ADF pick roll asm | 40X5188 |
| ADF separator pad | 40X5187 |
| ADF static ground brush | 40X5165 |
| ADF upper case cover | 40X5197 |
| ADF upper front side cover | 40X5203 |
| ADF upper motor side cover | 40X5202 |
| ADF, complete | 40X5190 |
| Antenna for wireless card | 40X5319 |
| Bin full sensor with cable | 40X5121 |
| Cable, 14-pin JST cable asm for fax modem card | 40X5606 |
| Cable, 14-pin JST cable asm for ISP interface cable | 40X5316 |
| Cables Kit | 40X5183 |
| Cables Parts packet | 40X5217 |
| Card for IPDS and SCS/TNe, X734, X736, X738 | 40X0088 |
| Card reader (3121 contact) | 40X4602 |
| Card reader (5121 contact/RFID) | 40X4603 |
| Card reader (5125 contact/HID) | 40X4604 |
| Card reader cable | 40X4597 |
| Card reader cover | 40X4598 |
| Carriage transport belt with clip | 40X5214 |
| Cartridge cooling fan | 40X5108 |
| Cave LED card | 40X5215 |
| Color-On-Demand assembly | 40X5122 |
| Contact springs kit | 40X5137 |
| Cooling fan | 40X5109 |
| Cooling fan filter | 40X5287 |
| Drawer, 550-sheet Drawer (with tray) | 40X5140 |
| Duplex reference edge asm | 40X5113 |
| EP drive assembly | 40X5125 |
| Flatbed air filter | 40X5218 |
| Flatbed cave LED cover (clear) | 40X5216 |
| Flatbed CCD carrier module, including lamp | 40X5212 |
| Flatbed CCD lamp | 40X5213 |
| Flatbed cooling fan | 40X5199 |
| Flatbed filter door cover | 40X5198 |
| Flatbed scanner, complete | 40X5167 |
| Flatbed with glass cover | 40X5211 |
| Forms and Bar code card, X734, X736, X738 | 40X0047 |
| Front access door | 40X5184 |
| Front door | 40X5112 |
| Front door parts packet | 40X5111 |
| Fuser assembly, 110-120V | 40X5093 |
| Fuser assembly, 220-240V | 40X5094 |
| Hard disk, T65x, X46x, X65x | 40X4822 |
| High voltage power supply | 40X5129 |
| ISP standoff with thumbscrew | 40X5317 |
| Left bellcrank with spring | 40X1447 |
| Left cover | 40X5173 |
| Left door cover | 40X5221 |
| Lexmark PrintCryption card | 40X5952 |
| Low-voltage power supply | 40X5182 |
| Motor driver card | 40X5126 |
| MP feeder / duplex drive parts packet | 40X5132 |
| MP feeder / duplex motor | 40X5131 |
| Operator panel bezel, 275 | 40X5177 |
| Operator panel with card | 40X5179 |
| Output bin extension cover | 40X5164 |
| Paper pick assembly | 40X5275 |
| Paper tray, 550-sheet | 40X5273 |
| Parallel 1284-B interface card | 40X4823 |
| Parts package (top access cover) | 40X5180 |
| Parts packet (operator panel buttons) | 40X5181 |
| Parts packet, ISP thumbscrew and standoff | 40X1556 |
| Parts packet, scanner screws | 40X5185 |
| Pick arm roll | 40X5152 |
| Pick tires | 40X5168 |
| Power cord; 2.5 m, 8 ft. Right angle, US, CA, LA | 40X0269 |
| Pressure plate cover | 40X5194 |
| Printhead | 40X5123 |
| Rear cover | 40X5174 |
| Rear frame cover | 40X5169 |
| Right bellcrank asm with spring | 40X1446 |
| Right cover | 40X5172 |
| RS-232C serial interface card | 40X4819 |
| Scanner front cover | 40X5206 |
| Scanner ICC card | 40X5220 |
| Scanner left cover | 40X5204 |
| Scanner MDC card | 40X5219 |
| Scanner rear cover | 40X5207 |
| Scanner right cover | 40X5205 |
| Screws Parts packet | 40X5136 |
| Separator pad spring | 40X5163 |
| Specialty media Drawer (with tray) | 40X5142 |
| Specialty media tray | 40X5143 |
| Switch, 24 V interlock switch | 40X5128 |
| Switch, 5 V interlock switch | 40X5127 |
| System board (network), 275 | 40X5200 |
| System board support shield | 40X5107 |
| Toner level sensor | 40X1416 |
| Top access cover | 40X5176 |
| Top cover | 40X5175 |
| Top cover camshaft | 40X5130 |
| Transfer module | 40X5096 |
| Tray, 550-sheet tray | 40X5141 |
| UICC card | 40X5186 |
