HP Officejet J4000 User Guide - Page 172
Scan specifications, Environmental specifications, Electrical specifications
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Appendix C • 3 seconds per page speed at 33.6 Kbps (based on ITU-T Test Image #1 at standard resolution). More complicated pages or higher resolution take longer and use more memory. • Ring detect with automatic fax/answering machine switching. Black Color Photo (dpi) 196 x 203 (8-bit grayscale) 300 x 300 Very Fine (dpi) 300 x 300 Fine (dpi) 196 x 203 200 x 200 200 x 200 Standard (dpi) 196 x 98 200 x 200 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: 1200 x 2400 dpi optical, up to 19200 dpi enhanced • Color: 16-bit per RGB color, 48-bit total (from glass); 8-bit per RGB color, 24-bit total (from ADF) • Maximum scan size from glass: 216 x 297 mm (8.5 x 11.7 inches) Environmental specifications 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 specifications Power supply Universal power adapter (external) Power requirements Input voltage: 100 to 240 VAC (± 10%), 50/60 Hz (± 3Hz) Output voltage: 32 Vdc, LPS (600 mA min) Power consumption 17 watts printing Acoustic emission specifications (print in Draft mode, noise levels per ISO 7779) Sound pressure (bystander position) LpAd 56 (dBA) 168 Device specifications