A ribbon can break if the power applied by the printhead is too high. Do the following to repair a broken ribbon.

DS Series Printer Repackaging for Shipment.

Locate and read the DS Series printer's configuration label

Sigma Printer Components Printer Cover.

Some printer models can have an additional module, such as a tactile impression module (TIM), mounted to the back of the printer.

DS Series Printer Components on the Left Side.

Parts inside the DS Series Printer

Printer Components Front and Right Side - Single-Hopper Printer

Sigma Printer Components Multi-Hopper Printer.

The multi-hopper cartridges can be pulled out from the multi-hopper unit. You can remove the cartridges with the cards inside and store them securely, if necessary.