Toshiba B-EP Series Interface Specification page 633

9.8 SYSTEM ERRORS
9.8.1 ADDRESS ERROR
• A command has been fetched from an odd address.
• Word data has been accessed from a place other than the boundary of the word data.
• Long word data has been accessed from a place other than the boundary of the long word
data.
9.8.2 GENERAL INVALID COMMAND EXCEPTION
• An undefined command in a place other than the delay slot has been decoded.
9.8.3 SLOT INVALID EXCEPTION
• An undefined command in the delay slot has been decoded.
• A command which rewrites the data in the delay slot has been decoded.
9.8.4 PCB IDENTIFICATION ERROR
• The B-EP4DL Drive PCB is connected to the B-EP2DL Main PCB, or the firmware for the B-
EP4DL model is downloaded to the B-EP2DL.
• The B-EP2DL Drive PCB is connected to the B-EP4DL Main PCB, or the firmware for the B-
EP2DL model is downloaded to the B-EP4DL.
9.8.5 THERMAL HEAD IDENTIFICATION ERROR
• The thermal head for the B-EP4DL is connected to the B-EP2DL Main PCB.
• The thermal head for the B-EP2DL is connected to the B-EP4DL Main PCB.
* As soon as the error occurs, the printer displays an error message, and stops.
(No commands or key operations ([FEED] key / [PAUSE] key) are processed except for the
[POWER] key.)
9-7
CHAPTER 9 ERROR PROCESSING
B-EP Series