Vista - Printing: one user can, other can't

The shared printer is connected to LPT of a Vista computer. We used to have
an XP computer that could print to this printer. We changed the XP comp for
a Vista notebook. This notebook has the same user/password as the Vista
machine where the printer is connected to. Hence, this user can print from
the notebook.

Now the strange part: another user on this notebook can't. It is sent to
the printer spooler, sits there for a few minutes ('printing...') and then
there's an error message (just 'cannot print' or something like that). We
set this account to administrator type, during install we put in and stored
the account name and password of the account that can print (so the one
that is the same on both computers) but to no avail. We followed this
instruction from an earlier post [1]:

"Create matching user accounts and passwords on all machines. You do not
need to be logged into the same account on all machines and the passwords
assigned to each user account can be different; the accounts/passwords just
need to exist and match on all machines. DO NOT NEGLECT TO CREATE
PASSWORDS, EVEN IF ONLY SIMPLE ONES."

We even added 'control printers' and 'control documents' to Everyone in the
printer's properties under the security tab [2] on the computer where the
printer is connected to. What do we do wrong?

[1] http://tinyurl.com/n5gojq
[2] not sure if this is the exact English text, we use Dutch Vista
--
Everything I do is either illegal, immoral, or fattening.
(W.C. Fields)