User Guide

Chapter 2: Service Error Codes

2-22

Cause Remedy

##120 [ TX ] Mechanism of the document feed system

is faulty

• See the Service Manual of the model in

question, and see that the document feed

system is free of a fault.

• A fault occurred in a mechanism of the

document feed system, and the communi-

cation was suspended as a means of pre-

vention.

Cause Remedy

##121 [ RX ] The ink sheet and the recording paper

stick to each other

• Decrease the resistance value of the ther-

mal head. (This, however, will make print

lighter.)

• Contac the Technical Center.

• The application energy imposed on the

thermal head is too high.