Unit 4: Printer Configuration

4.4.8 Errors during Font and Program Download Modes

Possible causes of errors could be that the data transfer is not correct between the printer and host, due to interface setting incompatibilities or faults in the cable.

The flash ROM may be in a state that does not permit data being written to it. The following error diagnostics are useful to help you troubleshoot the actual cause(s):

Cause

ONLINE

ERROR

BUZZER

LED

Display

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flash ROM Error

OFF

ON

1 long beep

O

 

 

 

 

 

Error during data download

OFF

OFF

1 long beep

F

 

 

 

 

 

Error during font download

ON

ON

3 short beeps

F

 

 

 

 

 

CAUTION

Make sure that you do NOT turn the printer OFF when data is transferring to the flash ROM in Program or Boot Download mode, as it may corrupt the firmware and prevent the printer from starting up correctly.

Ensure that the printer is running on a stable power supply during such flash ROM writing operations.

CT4i Series Operator Manual

4-13

Page 49
Image 49
SATO ct4i manual Cause, Errors during Font and Program Download Modes