438 Troubleshooting ENWW
Diagrams
Main parts
Figure 7-17 Location of main parts
1. Face-down delivery roller
2. Laser/scanner assembly
3. Print (toner) cartridge
4. Photosensitive drum
5. Primary transfer charging roller
6. Toner collection unit
7. Transfer unit
8. Registration shutter
9. Tray 1 (multipurpose) pickup roller
10. Tray 1 (multipurpose tray) separation roller
11. Registration roller
12. Tray 2 (cassette) separation roller
13. Tray 2 (cassette) pickup roller
14. Media sensor
15. Secondary transfer charging roller
16. ITB (transfer unit) cleaning blade
17. Duplex feed roller
18. Fuser
19. Pressure roller
20. Fuser (fixing) sleeve unit
Bk
C
M
Y
11
12
13
14
15
16
19
17
18
20
8
9
10
7
6
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