2MA/2MB
1-4-6
1-4-2  Self-diagnostic function
(1) Self-diagnostic function
This machine is equipped with self-diagnostic function. When a problem is detected, the machine stops print-
ing and display an error message on the operation panel. An error message consists of a message prompting 
a contact to service personnel and a four-digit error code indicating the type of the error.
Figure 1-4-3 
Machine failure.
Call service.
C####
Error occurred.
Turn the main power
switch off and on.
C####