HP Deskjet 5550 Color Inkjet Printer - Manual (Page 130)

printer_spec
power consumption
2 watts maximum when off
4 watts average non-printing
30 watts average when printing
power requirements
For power adapter part number 0950-4082 the power requirements are:
Input Voltage: 100 to 240 Vac (± 10%)
Input Frequency: 50 - 60 Hz
declared noise emissions in accordance with ISO 9296
Best Mode:
Sound power level, LWAd without Automatic Two-Sided Printing Module: 5.3 Bels (A)
[53 dB (A)]
Sound pressure level, LpAm (bystander positions) without Automatic Two-Sided Printing
Module: 40 dB (A)
Normal Mode:
Sound power level, LWAd without Automatic Two-Sided Printing Module: 5.9 Bels(A) [59
dB (A)]
Sound pressure level, LpAm (bystander positions) without Automatic Two-Sided Printing
Module: 47 dB (A)
alignment
Skew:
± .006 mm/mm (.006 in/in) on plain paper and cards
± .010 mm/mm (.010 in/in) on HP transparency films
media weight
Paper:
U.S. Letter 60 to 90 g/m ² (16 to 24 lb)
Legal 75 to 90 g/m ² (20 to 24 lb)
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Newport ROW Mac UG Final