Specifications

Image Quality
Copyright © 2009 BERTL Inc. September 25, 2009
All Rights Reserved. The license under which this document is made available and applicable law prohibit any reproduction or further transmission of any portion of this document. This
document may only be viewed electronically through the www.BERTL.com Web site and may not be stored in electronic or hard copy format. Any reproduction of trademarks is strictly
prohibited. BERTL accepts no responsibility for any inaccuracies or omissions contained in this document.
Page 19
August 2009
RISO ComColor 9050
www.BERTL.com
Pages
23-24
Coated
Body
imageXpert Printer 600 dpi Target Version 5.1 consists of various sizes of negative
and positive lines, negative and positive dots, solid areas, negative and positive text,
and color gradations. Used to evaluate negative and positive dot and line control.
Page 25
Coated
Body
BERTL test chart that consists of various widths of negative text and negative and
positive lines intersecting at various angles. Used to evaluate the quality of negative
text and registration at the intersection of the various lines.
Page 26
Coated
Body
Northlight Images Black and White Test Print. The image is based on two
landscape pictures that show up different aspects of B/W print quality. The
graduated blocks and 21 step wedges (5% increments) also give a more absolute
test. In the small sample from the Hood Canal image at the bottom, there is meant
to be some visible noise - it is part of the image. Used to evaluate black-and-white
print quality.
Page 27
Coated
Body
Northlight Images Grayscale Linearization (Gray Gamma 2.2) test image (300 dpi
13x19 cm) has circular gradients on it, both positive and negative, that allow a more
precise measurement of where non-linearity occurs in prints. Used to evaluate the
linearity of grayscale prints.
Page 28
Coated
Body
Credits Page acknowledges BERTL partners whose imaging tools were used in the
evaluation.
Page 29
Opaque
Vellum
The About BERTL page has a red BERTL logo positioned down the left side of the
black text.
Page 30
Opaque
Vellum
Intentionally left blank
Page 31
Coated
Cover
Page 31 is used for graphic aesthetics as well as a sample of the ability to print
lighter solid colors at 100 percent in full bleed. The background is pure cyan at 20%.
The BERTL logo is 100% cyan and positioned down the right edge of the page. The
logo and text are outlined with a 1 pt. black line.
Back
Cover
Coated
Cover
The back cover contains 100% area coverage and features a composite cyan
gradient. A mosaic consisting of tiny thumbnails of test charts are positioned across
the top. Negative Times New Roman font samples ranging in size from 2- to 22-pt.
are positioned across the lower half of the cover.