| Part Number | Description |
| 51228301 | ARM: FRONT RELEASE GEAR |
| 56627302 | CABLE: CARRIAGE (W) |
| 56627501 | CABLE: CSF |
| 53067701 | CAM: ADJUST |
| 50805301 | CAM: RELEASE |
| 50098901 | CARRIAGE: FRAME SET |
| 50707501 | CLAMP: CORD |
| 50707401 | CLAMP: HEAD |
| 56729601 | CONNECTOR: PC HD40 |
| 56631801 | CORD: AC 120V |
| 56627201 | CORD: CONNECTION LF |
| 53067301 | COVER: (B) FOR CARD SLOT |
| 53067201 | COVER: ACCESS (W) |
| 53067501 | COVER: SIDE (R) (CSF) |
| 40251903 | COVER: UPPER (W) |
| 58235101 | FIRMWARE: UPGRADE KIT |
| 53563201 | FRAME: MAIN (W) - ML521 |
| 51239201 | GEAR CASE SPINDLE |
| 51228001 | GEAR: CHANGE |
| 51228201 | GEAR: IDLE |
| 51228601 | GEAR: LF IDLE |
| 51228101 | GEAR: TRACTOR |
| 53343301 | GUIDE ROLLER HOLDER |
| 51009901 | GUIDE: RAIL (W) |
| 41772402 | GUIDE: SHEET (W) |
| 53343001 | HOLDER: CONNECTOR (L) |
| 53343101 | HOLDER: CONNECTOR (R) |
| 53341101 | HOLDER: FRONT ROLLER |
| 31096808 | IC: EPROM(FJIM) O5C |
| 50098801 | KNIFE: PAPER (W) |
| 53562601 | KNOB: PLATEN (ML 500 SERIES) |
| 50804601 | LEVER: BOTTOM PAPER END |
| 50804701 | LEVER: BOTTOM SENSOR |
| 50805101 | LEVER: CHANGE |
| 50804903 | LEVER: CUT SHEET DETECTION |
| 50804801 | LEVER: REAR SENSOR |
| 50805201 | LEVER: SWITCH |
| 56510302 | MOTOR: LF ASSY |
| 56510501 | MOTOR: PULSE |
| 56510401 | MOTOR: SPACE |
| 50097401 | PAN: PAPER (W) |
| 53562703 | PANEL: OPERATOR |
| 50097801 | PAPER CHUTE ASSY (W) |
| 55073201 | PCB: FILTER 120V |
| 55072401 | PCB: FJIM (W/O ROM) MAIN BOARD |
| 55937502 | PCB: LEOP (OPERATOR PANEL) |
| 55937301 | PCB: NCSF |
| 50098302 | PLATEN (W) |
| 50099501 | PRINTHEAD |
| 53562801 | PROTECTOR: RIBBON |
| 53067601 | PROTECTOR: SUPPORT |
| 40904501 | RACK: SPACE (W) |
| 52107001 | RIBBON BLACK: ML520/521 |
| 40917101 | ROLLER / HOLDER BACKUP |
| 53341202 | ROLLER: FRONT PRESSURE |
| 40493301 | ROLLER: GUIDE |
| 50062801 | ROLLER: HOPPING (L.H.) |
| 50062802 | ROLLER: HOPPING (R.H.) |
| 53341601 | ROLLER: PULL UP (W) |
| 53341401 | ROLLER: REAR PRESSURE (W) |
| 53563502 | SHAFT: CARRIAGE (W) |
| 51227901 | SHAFT: FRONT RELEASE GEAR (W) |
| 53448501 | SHEET: FRICTION |
| 53563001 | SHOE: BRAKE |
| 50923101 | SPRING: LEAF (W) |
| 50924701 | SPRING: LOCK |
| 50923401 | SPRING: PRESSURE (W) |
| 50923201 | SPRING: RESET |
| 50098502 | STAND: BOTTOM PUSH (L) |
| 50098501 | STAND: BOTTOM PUSH (R) |
| 53321501 | SUPPORT: REAR SHEET |
| 53480901 | SUPPORTER: FRONT SHEET (W) |
| 50097502 | TRACTOR (W) |
| 50098201 | TRACTOR: COVER (W) |
| 50098001 | TRACTOR: PULL & BOTTOM L |
| 50097901 | TRACTOR: PULL & BOTTOM R |
| 56412402 | TRANSFORMER 120V (ML521) |
