P/N Part name Page
41X0918 Pick tire............................................................................................................................................................ 342
41X1201 Power supply, 100V/110V..............................................................................................................................331
41X1202 Power supply, 220V...................................................................................................................................... 331
41X1006 PRESCRIBE card.............................................................................................................................................361
40X9934 Printer hard disk (MX522), 500GB........................................................................................................... 358
41X1185 Printhead......................................................................................................................................................... 330
41X2263 Rear access door...........................................................................................................................................324
41X1169 Rear door and cover.....................................................................................................................................324
41X1349 Redrive assembly..........................................................................................................................................342
41X2268 Redrive gear plate.........................................................................................................................................340
41X1214 Reverse solenoid...........................................................................................................................................334
41X1233 Right access cover........................................................................................................................................324
41X1165 Right cover (MX321 and MX421)................................................................................................................324
41X2272 Right cover (MX521 and MX522).............................................................................................................. 324
40X8523 RS‑232C Serial Interface card (MX52x)................................................................................................... 361
41X2260 Sensor (bin full).............................................................................................................................................. 336
41X1988 Sensor (cartridge barrel)..............................................................................................................................336
41X1206 Sensor (duplex and input)...........................................................................................................................338
41X1209 Sensor (front door)........................................................................................................................................ 336
41X1210 Sensor (MPF paper present).......................................................................................................................336
41X1241 Sensor (narrow media).................................................................................................................................338
40X8046 Sensor (toner density)..................................................................................................................................338
41X1240 Sensor (trailing edge)...................................................................................................................................338
41X1238 Sensor (tray present).................................................................................................................................... 336
41X1212 Separator roller assembly...........................................................................................................................346
41X2055 Smart card........................................................................................................................................................361
3086579 Software CD.................................................................................................................................................... 361
41X2529 Speaker..................................................................................................................................................326, 328
41X2125 Standard 250-sheet tray insert (MX321 and MX421)........................................................................... 344
41X1220 Standard 250-sheet tray insert (MX521 and MX522).......................................................................... 344
41X1162 Toner cartridge smart chip contact...........................................................................................................336
41X1355 Top access cover...........................................................................................................................................324
41X1341 Top cover (MX321 and MX421)...................................................................................................................324
41X1342 Top cover (MX521 and MX522)................................................................................................................. 324
7017-2xx, -4xx, -6xx
Part name index
404