ASTRO-MED QLS-2000XE SERIES, Operation & Setup Manual, Page: 98 / 214

5-10 Printer Maintenance
6 To access the drive roller, lift the pressure roller off the drive roller.
7 On the outside of the drive roller, remove the bearing and retaining
bracket by removing the Phillips screw on the lower portion of the plate.
Set the screw, bearing, and plate aside.
8 Beside the drive roller, against the inside of the printer, locate the Allen
screw. With a 3/32 Allen wrench, loosen the Allen screw until the drive
roller easily pulls out.
9 Insert the fresh drive roller, making sure that the roller is fully inserted,
with the flat edge of the shaft coming in contact with the Allen screw.
10 Replace the retaining plate, lining up the flange and two small pins and
ensuring they are fully inserted into the plate.
11 Reinsert and tighten the Phillips screw.
12 Tighten the Allen screw until the new drive roller is held firmly in place.
13 Reposition the label stock and thread the stock until it exits over the
drive roller.
14 Flip the pressure roller back into contact with the drive roller.
15 Reinsert the drive roller cam and lock it into the down position to close
the cam.