HP LaserJet Enterprise M552 - Diagrams: General timing chart

Diagrams: General timing chart
Figure 2-67 General timing chart
STBY STBY
17 Primary transfer bias (Y/M/C) 18 Primary transfer bias (K) 19 Secondary transfer bias 14 Primary charging bias (K) 15 Developing bias (Y/M/C) 16 Developing bias (K) 11 Primary charging bias (Y) 12 Primary charging bias (M) 13 Primary charging bias (C)
8 Drum motor 2 9 Drum motor 3
10 Pickup motor
5 Scanner motor 6 TOP signal 7 Drum motor 1 2 TOP sensor 3 Fuser delivery sensor 4 Fuser motor
Operation INTR PRINT LSTR
1 Cassette pickup clutch
Print command
176 Chapter 2 Solve problems ENWW