© Ernst Nagel GmbH 2S Trimmer Service Manual en.doc Rev.1.0. 20.07.2011
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Contents
8. NVM Values
(continued)
8.2 Adjusting NVM Values
(continued)
8.2.3 NVM Centering correction
NVM Centering correction is a value that influence the centering of the booklet in de machine.
The Centering correction of booklet can be adjusted with NVM Value No. 3 & 5 Compress Correction. With
that both sides of the booklet are Side Joggered but the NVM values of the Side Joggers (Motor 7 and Motor
8) differs.
Fig. 8.17
When changing a NVM value on the Right side of the machine, change the Left side of the
machine the exact opposite of that value.
When changing a NVM value on the Left side of the machine, change the Right side of the
machine the exact opposite of that value.
1. Empty the Trim Waste Bins of the STR
2. Send an A4 booklet of 5 sheets A3 with a Side Trim of 267,0mm and Center Offset 0,0mm
3. Measure the Trim Waste of both Bins.
Are the Trim Wastes of both Bins the same Size (width)?
Y N
Add 5 times the difference in mm to the Compress Correction NVM value of the side that has the
biggest width, subtract 5 times the difference in mm from the Compress Correction NVM value of
the side that has the smallest width. (See Chap. 8.3 Fig. 8.9)
More Compression means less Trimming, less Compression means more Trimming
The STR is fully adjusted.
Write down the adjusted NVM values on the list in the Top Cover.
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