Service manual

72 980428-156 Rev. 1 Prelim.

4. Loosen the vertical adjustment screw and

adjust the ribbon adjustment shaft to correct

stress lines in ribbon behind print head

assembly while feeding media. Move the

shaft in the vertical slot up or down.

Position should be set so stress lines run

vertically from ribbon supply roll.

Vertical Slot Ad

ustment

Supply

Ribbon

Tube

Take-Up Ribbon

Tube

5. Note the ribbon stress line in the front of the

printer while feeding or printing labels.

Steps 3 and 4 should be repeated until the

front (take-up) and rear (supply) ribbon

wrinkle and stress lines are vertical and

minimized.

6. Verify the print head's cable does not extend

into the ribbon path.

Ribbon

Check for cable routing interference with ribbon path

Print Head

Cable