Unit 4: Operation
SATO M5900RVe Operator Manual PN 9001125A Page 4-10
FLASH MEMORY DOWNLOAD MODE
A Flash ROM internally stores and deletes font data and custom designed character data. The
storage capacity for custom characters is 95 for each type of 16 x 16, 22 x 22, and 24 x 24 dots.
There are four transmission protocols for font download: (1) Download Font Storage, (2)
Download Font Deletion, (3) Download Font Information Aquisition, (4) Storage Custom-
Designed Character. The printer return status is set between STX (02H) and ETX (03H), and
transferred in 3 bytes. Note that the return status for the font data transfer when storing font is 1
byte of ACK (06H). All status data transferred from the host are set between STX (02H) and ETX
(03H), and transferred in 3 bytes.
DOWNLOAD FONT REGISTRATION
STATUS DESCRIPTION ACSII HEX TRANSFER
Not Already Stored A 41 Printer to Host
Already Stored B 42 Printer to Host
Storage Area NG N 4E Printer to Host
Store Font 0 30 Host to Printer
Do Not Store Font 1 31 Host to Printer
Ready For Storage Status O 4F Printer to Host
Font Storage Completed Normally E 45 Printer to Host
Font Storage Cancelled S 53 Printer to Host
Font Storage Completed Abnormally Z 5A Printer to Host
DOWNLOAD FONT DELETION
STATUS DESCRIPTION ACSII HEX TRANSFER
Not Already Stored A 41 Printer to Host
Already Stored B 42 Printer to Host
Delete Font 0 30 Host to Printer
Do Not Delete Font 1 31 Host to Printer
Font Deletion Completed Normally E 45 Printer to Host
Font Deletion Cancelled S 53 Printer to Host
Font Storage Completed Abnormally Z 5A Printer to Host
DOWNLOAD FONT INFORMATION AQUISTION
STATUS DESCRIPTION ACSII HEX TRANSFER
Not Already Stored A 41 Printer to Host
Already Stored B 42 Printer to Host
Font Information Transferred OK 0 30 Host to Printer
Number of Transferred Data 000000-999999 6 bytes w/30-39 Printer to Host
Font Information Font Info Data + Font Data Info Printer to Host
