after printing:seemingly inappropriate pop-up window : "page not aligned" but is

History of onset:
equipment (from test page):
Computer name: "hp officejet v series on YOUR-UV6S'A7v8E
printername:hp officejet v series
printer model: hp officejet v series
color support: yes
Port name(s): DOT4_001
Data format: raw
share name:
Location:
Comment:
Driver name: hpz2ku04.dll
Data file: hpoprv07.dat
Config file: hpzntp04.dll
Help file: Hpoprv07.hlp
Driver version: 64.33
Environment: Wondows NT x86
(13 additional drivers then listed).
This is the end of the printer test page."
1-Change of ink cartridge found incorrect and corrected.
2-Next use, printed well, but pop-up window began to
appear on computer screen "page not aligned" and
Printer/FAX combo v40 also displays a message:
"Place page in ADF and then press enter";
3-So done, by "Instructions to align print cartridges";
4-Instructions followed,
5-test of color page prints follows
NOTE: all seems well,
6-warning displays with each print and/or incoming FAX.
----
7-From control panel printer is tested: "Windows XP
Printer Test Page" emerges well with a positive
congratulations