HP Officejet 4500 User Guide - Page 145
Scan specifications, Operating environment, Electrical requirements, Acoustic emission specification
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Scan specifications • Image editor included • Integrated OCR software automatically converts scanned text to editable text • Scan speeds vary according to the complexity of the document • Twain-compliant interface • Resolution: 2400 x 4800 ppi optical, up to 19,200 ppi enhanced • Color: 16-bit per RGB color, 48-bit total • Maximum scan size from glass: 216 x 297 mm (8.5 x 11.7 inches) Operating environment Operating environment Operating temperature: 5° to 40° C (41° to 104° F) Recommended operating conditions: 15° to 32° C (59° to 90° F) Recommended relative humidity: 20 to 80% noncondensing Storage environment Storage temperature: -40° to 60° C (-40° to 140° F) Storage relative humidity: Up to 90% noncondensing at a temperature of 65° C (150° F) Electrical requirements Power supply Universal power adapter (external) Power requirements Input voltage: 100 to 240 VAC (± 10%), 50/60 Hz (± 3Hz) Output voltage: 32 Vdc at 625 mA Power consumption 28.4 watts printing (Fast Draft Mode); 32.5 watts copying (Fast Draft Mode) Acoustic emission specification Print in Draft mode, noise levels per ISO 7779 Sound pressure (bystander position) LpAd 56 (dBA) Sound power LwAd 7.0 (BA) Device specifications 141