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Users Manual Model 656/636 Electrical Trouble Shooting • 51
Cut / Stack
Problem Probable Cause Corrective Action
Machine fails to cut labels (the rotary
knife does not rotate).
1) The cut is disabled in the setup
menu.
1) Enable the knife in the setup menu
via the front panel..
2) Knife cable unconnected. 2) Power off and remove the power
cord from the AC entry. Remove
the back cover and inspect the
cable and connector to the knife
module. Refer to the "Electrical
System Schematic".
3) Knife jammed causing auto
resetting fuse to trip on the
Thermal Control Board.
3) Remove cause of jam at the knife.
4) Faulty knife motor. 4) Replace the knife motor.
5) Faulty knife motor drive circuit on
the Thermal Control Board.
5) Replace the Thermal Control
Board.
The stacker fails to run. 1) The stacker cable is unconnected. 1) Power off and insert the stacker
cable in the stacker port on the
Thermal Control Board.
2) Faulty stacker motor. 2) Replace the stacker motor.
3) Stacker jammed causing auto
resetting fuse to trip on the
Thermal Control Board.
3) Remove cause of jam at the
stacker.
3) Faulty stacker motor drive circuit
on the Thermal Control Board.
3) Replace the Thermal Control
Board.