PDF Print issue : shifted characters

hello,

i have problem printing pdf reader 7.0 : in cases, part or document characters shifted bye one.

for example, become b, b become c, c become d .....

document render perfect on screen.

the problem appears in totaly random way, not able reproduce now.

i printing ocx, encapsulated in ie on hp laserjet (parallel port) throught pcl driver.

i updated reader 8.1.2, problem still present.

does experienced troubles these ?

MapTAH