Answers

A1. Cause: Blade no longer sharp enough to cut tape.
Fix: Replace blade. Care must be taken as blade is extremely sharp.

A2. Cause: Blade not installed correctly.
Fix: Insert blade fully into the blade mount. Lift one side of the blade up slightly so that the blade is at a shallow angle before tightening the fixing screws. Care must be taken as blade is extremely sharp.

A3. Cause: Build up of tape on blade.
Fix: Clean blade and apply lubricant to blade pad. Care must be taken as blade is extremely sharp.

A4. Cause: Blade no longer sharp enough to cut tape.
Fix: Replace blade. Care must be taken as blade is extremely sharp.

A5. Cause: Rollers too tight or seized.
Fix: For one-way rollers and the tape drum - reduce the roller tension by turning the adjustment nut. For all other rollers - remove seized/tight roller from shaft, clean shaft and inside bore of roller, re-install roller and apply lubricating spray to shaft.