HP Deskjet 3810/3820 HP Deskjet 3820 Series - (English) Reference Guide - Page 23

English product specifications black text print speed Draft: Up to 12 pages per minute Normal: Up to 6.5 pages per minute Best: Up to 3 pages per minute mixed text with color graphics print speed* Draft: Up to 10 pages per minute Normal: Up to 4.5 pages per minute Best: Up to 1 page per minute * These are approximate figures. The exact speed varies with the system configuration, software program, and document complexity. memory All models: 2 MB built-in RAM power consumption All models: 2 watts maximum when off 4 watts average non-printing 25 watts average when printing declared noise emissions in accordance with ISO 9296 Best Mode: Sound power level, LWAd: 5.7 Bels (A) [57 dB (A)] Sound pressure level, LpAm (bystander positions): 45 dB (A) Normal Mode: Sound power level, LWAd: 6.0 Bels (A) [60 dB (A)] Sound pressure level, LpAm (bystander positions): 47 dB (A) power requirements Input Voltage: 100 to 240 Vac (± 10%) Input Frequency: 50 to 60 Hz (± 3 Hz) Accommodates the worldwide range of AC line voltages and frequencies. regulatory notices regulatory model identification number For regulatory identification purposes, your product is assigned a Regulatory Model Number. The Regulatory Model Number for your product is VCVRA-0103. This regulatory number should not be confused with the marketing name (HP Deskjet 3820) or product number (C8952). 19