HP color laserJet 4550 series - Page 84

82 Printer maintenance C7085-90921
The following graph shows the drum life for printing in Letter and Legal formats:
Figure 4-2 OPC life
45000
40000
35000
30000
25000
20000
15000
10000
5000
0
04812162024
4-color simplex Letter
4-color duplex Letter
Monocolor simplex Letter
Monocolor duplex Letter
4-color simplex Legal
4-color duplex Legal
Monocolor simplex Legal
Monocolor duplex legal
Engine, total page count
Pages/job