February 2013
3-111
ColorQube® 9303 Family
IQS 7, IQS 8
Image Quality
IQS 7 Curl
Media Curl
All modules shall handle flat curl of ±12 mm in both process and cross process direction in
input and output without degradation in performance. Degraded performance (e.g. increased
jams, reduced tray capacity) can be expected for curl greater than ±12 mm.
NOTE: Curl is expected to increase above 12 mm when printing very high area coverage
(whole page), especially for duplex and paperweights below 80 gsm, or when using specific
papers and / or paper batches with internal tension.
Curl is assessed as follows: Run 5 sheets of prints with less than 50% area coverage. Place
the set on a flat surface so that the set curls upwards. Measure the height of each corner after
minimum 15 seconds and maximum 1 minute from the output of the final sheet. No corner
should exceed the 12 mm specification in 99.7% of the measurements.
IQS 8 Uniformity in the Process Direction
Specification
Figure 1 shows the cyan / magenta and the colour bands print that is printed out in TP 1. No
distinct non-uniformity bands in the process direction should be observed on these prints.
Refer to IQ 13 and IQ 14.
Figure 1 Uniformity test print
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