On 02-Mar-2012 11:38 , John McKee wrote:
I have made considerable progress, but have hit a wall.

I downloaded a reference to PCL. Under Paper (Media) Source, I saw
the code to explain why the bypass tray was being used. The WSCST
had this for DRAWER=PAPER: DATA = '1B266C3248'X.

The second from the right hex chars x'32' command "Feed paper from
manual input".

I changed that to 31. Now, draws from drawer 1. At the bottom of the
codes for paper source is this entry:

20 -39 High Capacity Input (HCI) Trays 2-21.

Since I need tray 3, it seemed simple. If tray 2 is 20, then tray 3
must be 21.

So, I converted 21 (assumed decimal, based on 32 being ASCII value
of 2 for manual input) to 15.

That didn't work. Printer rejected that sequence.

So, question is (feels like snatching defeat from the jaws of
victory), what goes into that position?

I know this is not an IBM issue. I found another 5135 that they also
would very much like to use tray 3. I'm just not understanding what
that value should be.

SWAG... Consider that both the decimal difference 39-20=19 and the decimal difference 21-2=19. Also that assuming either set of values is hexadecimal instead, that does not allow a similar subtraction to get an equivalent difference.

dec val 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
dec tray 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
hex val 2 3 4 5 6 7 8 9 A B C D E F 10 11 12 13 14 15

Regards, Chuck

This thread ...


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