Dear M D
I believe you are now "lost" in the GLM world. But may be these threads could be of interest
Label printing problem on Zebra printer
GLM - Spool management in ECC 6.0
WWI - pdf printing problems on Windows Vista
GLM - Output of file is being chopped off
SAP EHS Global Label Management
PLease read carefully the SAP online help in regards of GLM, May be check "Best practises" (check e.g. Configuration Documents For Global Label Management.)
As mentioned in: What is a "Label" and how support SAP EHS Management "Labeling"
GLM is a to a certain extent a powerful tool; but the set up and use of it is not well understood.
C.B.