Intermittent black squares printing from Pioneers to 82240B

[BobVA]

(06-08-2017 01:21 AM)Dave Britten Wrote:  Alright, did some more tests. The 27S is the only one exhibiting the character dropping, and only with the B.

It does sound like borderline issue with the those two devices. If you really want to dig into it, it would be interesting to compare an oscilloscope capture of the LED drive signal from the 17BII and the 27S to see if there's some timing difference.