Olivetti d-Copia 2500MF Service Manual page 260

2H0/2HZ
13. APC PWB (APCPWB) ................................. Generates and controls the laser beam.
14. PD PWB (PDPWB) ...................................... Controls horizontal synchronizing timing of laser beam.
15. Interface PWB (IFPWB) ............................... Consists of wiring relay circuits.
16. Fuser PWB (FUPWB) .................................. Consists of wiring relay circuits.
17. Drum PWB (DRPWB) .................................. Stores the individual drum unit information.
18. Developing PWB (DRPWB) ......................... Stores the individual developing unit information.
19. Fax control PWB (FCPWB)* ........................ Modulates, demodulates, compresses, decompresses and smoothes out
image data, and converts resolution of image data.
20. NCU PWB (NCUPWB)* ............................... Controls connection to the telephone line.
*: Option
2-2-2
Service Manual Y108620-5