Monday, October 29, 2012

10/29/2012 - White banding

Again, we got this white 1/2" white banding near the leading edge of the prints.  It happens to every other sheet.  Usually changing the PIP will resolve the issue, however, our PIP didn't get the HP suggested impression count and started showing the band.  This time around 4000 impressions only.

Solution:
1. open the back of the press, near the turning wheel, you see a black screw cap that covers a wire.  Unscrew the black screw cover, take out the spring wire thing, clean the rectangular shaped copper block attached to the spring with IPA.  Use a cotton swab with IPA and clean the hole while turning the itm wheel. Put everything when finished.

2. Run auto bias.

3. Be sure the tray that is below the cleaning station is sturdy, not moving.  If not sturdy, screw it tight.


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