HP 3380 Service Manual - Page 25

Note Acoustic emissions Table 1-5. HP LaserJet 3380 all-in-one acoustic emissions Category Specification Sound power level Declared per ISO 9296 Printing (20 ppm) Idle LWAd=6.1 Bels (A) [61 dB (A)] Essentially inaudible SPL - Bystander position Declared per ISO 9296 Printing (20 ppm) LpAm=48 dB(A) Idle Essentially inaudible 1 Values subject to change. See http://www.hp.com/support/lj3380 for current information. During other operations, acoustic emissions can vary. Skew specifications The media registration defines how a sheet of media is positioned relative to the electrophotographic image on the drum. The specified tolerances do not include variation from nominal in the media dimensions. All vertical lines will be parallel to the reference, or left edge of the media, within the specifications. Table 1-6. HP LaserJet 3380 all-in-one skew specifications Category Specification Print skew-All vertical lines are parallel to the left edge of the print media. 0.80% (2.0 mm over 250 mm [0.079 inch over 9.84 inches] in length) for cut-sheet media (except A5 size) 1.50% (3.3 mm over 220 mm [0.13 inch over 8.66 inches] in length) for envelopes, postcards, and A5-size media 0.87% (1.65 mm over 190 mm [1.065 inches over 7.48 inches] in width) for cut-sheet media (leading edge) First line/leading edge skew-The distance of the first line on the page from the leading edge of the page. 4.23 mm ± 2.0 mm (0.16 inch ± 0.07 inch) for cutsheet media 4.23 mm ± 2.5 mm (0.16 inch ± 0.09 inch) for thick media over 105 g/m2 (28 lb) 15.0 mm ± 3.5 mm (0.59 inch ± 0.13 inch) for envelopes and postcards Left margin-The distance of the left-most vertical line from the left edge of the page. 4.23 mm ± 2.0 mm (0.16 inch ± 0.07 inch) for cutsheet media 15.0 mm ± 3.5 mm (0.59 inch ± 0.13 inch) for envelopes and postcards ENWW Product specifications 9