Activity level Operator (<1m) Bystander (1m) Sound power
Powersave
L
pAm
N/A dB (A) L
pAm
N/A dB (A) L
WAd
N/A Bels (A)
Note
These values are subject to change. See http://www.hp.com/support/lj5500 for current
information.
Table 1-7. Acoustic emissions (HP Color LaserJet 5550 models)
Sound Power Level Declared Per ISO 9296
Printing (28 PPM)
Ready
L
WAd
=6.6 Bels (A) [66 dB (A)]
L
WAd
=4.9 Bels (A) [49 dB (A)]
Sound Pressure Level - Bystander Position Declared Per ISO 9296
Printing (28 PPM)
Ready
L
pAm
=49dB (A)
L
pAm
=33 dB (A)
1
Values current as of January 25, 2004. Values subject to change, see http://www.hp.com/
support/clj5550 for current information.
2
Configuration tested: Base unit printing A4 monochrome from standard tray.
Table 1-8. The electrical specifications table lists the electrical specifications required
to run the printer safely.
Item 110-volt models 220-volt models
Power supply 100 to 127 V (+/- 10 %) 220 to 240 V (+/- 10 %)
50 to 60 Hz (+/- 2 Hz) 50 to 60 Hz (+/- 2 Hz)
Power consumption (typical)
During printing 592 W (average) 562 W (average)
During standby 54 W (average) 51 W (average)
Power Save mode 48 W (average) 44 W (average)
Off mode
0
1
W (average)
0.15 W (average)
Heat output
Idle 181 BTU/hr 174 BTU/hr
Minimum recommended circuit
capacity
10.1 A 5 A
1
* When the printer is in standby mode, it continues to consume a minimal amount of energy.
Note
This information is preliminary and might not be current. Please see http://www.hp.com/
support/lj5500 or http://www.hp.com/support/lj5550 for current information .
Table 1-9. Power Consumption (average in watts) (HP Color LaserJet 5550 models)
Power Consumption (average, in watts)
1
Table 1-6. Acoustic emissions (HP Color LaserJet 5500 (continued)
ENWW Printer specifications 11