[A]: Machine Right
[B]: Machine Inner
[C]: Machine Left
[D]: Toner cartridge (K, M, C, Y)
[E]: ITB unit
[F]: Drum unit (K, M, C, Y)
[G]: Development unit (K, M, C, Y)
[H]: Laser unit (KM, CY)
[I]: Fusing unit
| No. | Name | No. | Name |
|---|---|---|---|
| 1 | Paper sensor 1 | 16 | Fusing thermistor 2 (TH2) |
| 2 | Paper sensor 2 | 17 | Power switch (SW5) |
| 3 | Lift sensor | 18 | Interlock switch (SW1) |
| 4 | Registration sensor (S1) | 19 | Paper full sensor |
| 5 | Bypass paper sensor (S7) | 20 | Press-release sensor (S2) |
| 6 | Bypass transport sensor (S6) | 21 | Duplex sensor (S5) |
| 7 | Exit sensor | 22 | Cassette size switch (SW4) |
| 8 | Toner sensor (S9) K | 23 | Exit tray switch (SW2) |
| 9 | Toner sensor (S9) M | 24 | Toner cartridge switch (SW3) |
| 10 | Toner sensor (S9) C | 25 | Waste toner cover sensor (S3) |
| 11 | Toner sensor (S9) Y | 26 | Outer temperature sensor (S8) |
| 12 | ID sensor 1 (PCB6) | 27 | Developer thermistor (TH5) |
| 13 | ID sensor 2 (PCB7) | 28 | Laser unit thermistor KM (TH3) |
| 14 | Waste toner sensor (S4) | 29 | Laser unit thermistor CY (TH4) |
| 15 | Fusing thermistor 1 (TH1) |