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Appendix C: Electronic Journal
178
A776 (B780) Programming Guide A776-PG00001 C 12/09
1F 0A C5 Return Journal Status
Returns one byte of status.
bit 0 = 0 >> Write to ash successful
bit 0 = 1 >> Write to ash fail
bit 1 = 0 >> RAM allocation for journal data successful
bit 1 = 1 >> RAM allocation for journal data fail
bit 2 = 0 >> Auto Journal Disabled
bit 2 = 1 >> Auto Journal Enabled
1F 0A C6 Return Journal Flash Size
Returns two 3-byte counts in hexadecimal notation, as n1 n2 n3 and m1 m2 m3.
Journal ash buer total size = (n1 * 0x10000 + n2 * 0x100 + n3)
= (n1 * 65,536 + n2 * 256 + n3) decimal
Journal ash buer used = (m1 * 0x10000 + m2 * 0x100 + m3)
= (m1 * 65,536 + m2 * 256 + m3) decimal
Journal ash buer total size corresponds directly to this line on the diagnostics form:
Flash Journal Size : nnnn kbytes
Journal ash buer used corresponds inversely to this line on the diagnostics form:
Journal Unused : mmmm kbytes
1F 0A C7 Write Journal RAM Data to Flash
Writes the journal data in RAM to Flash and marks it as a complete journal entry with two print commands: 0x0A
0x0A. Printer goes busy at the communication interface while the ash is being written. Application should not send
any further data or commands until printer goes not busy at the communication interface.