63 
 
1.6.4 Errors 
(1) Errors during external communications 
 
Errors during print content transmission and print data call-up 
Not all received print contents could be held in 
buffer because its capacity was exceeded 
NAK is returned. 
However, this will not cause any 
external communication error. 
Number of print items of received contents is 
more than 9. Or, received contents consist of 
more than 81 characters. 
External communication error 030 
Calendar or count character was included in print 
data call-up transmission 
External communication error 027 
When print content was transmitted to the item 
number(s) which does NOT exist. 
External communication error 027 
 
 
 Error when buffer is cleared 
Text was transmitted together with another text 
External communication error 002 
 
(2) Errors during printing 
 
Errors during printing 
The number of received contents in buffer was 
less than "Data number at Fault". 
Fault "Communication Buffer Fault" 
 (Ink ejection does not stop) 
Print start signal was received during print data 
switching immediately after ACK was returned to 
"restart printing" 
Fault "Invalid Data Change Timing" 
 
 
(3) Error when status is changed 
 
 Error when status is changed 
Calendar characters or count characters were included 
to existing print contents when restored to online. 
Confirmation message 
"Communication buffer error"