SPECS

Reponse strings :

r: n=6 : a1 a0 16 0 0 10
r: n=16 : d0 0 0 2 b0 9 b3 d 7d 0 fd 0 0 0 0 0 (paper)

r: n=6 : a1 a0 16 0 0 10
r: n=16 : 80 0 0 2 b0 9 b3 d 7d 0 0 0 0 0 0 0 (no paper)

Interbands :

w: n=4 : a0 e0 4 0
r: n=6 : a0 e0 6 0 10 c (ready to receive more data)

w: n=4 : a0 e0 4 0
r: n=6 : a0 e0 6 0 18 c (buffer full, wait)

Page ready
w: n=4 : a0 a0 4 0
r: n=16 : a0 a0 16 00 00 ..... Ready for new page
r: n=16 : a0 a0 16 00 08 ..... Busy printing current page

600dpi

592b/line = 4736 pixels

41 syntax
--
End of line (don't change the buffer)
--

Simple bytes:

00 syntax (1-7 bytes)
---
00MMM000 M bytes

11 syntax (8-255 bytes)
--
101MMMMM 11MMM000 M bytes

Repeated bytes:

01 16p->56p
--
01NNN000 XXXXXXXX
N*(X pattern)

11 16p->56p +8 (3 bytes)
--
11NNN001 XXXXXXXX YYYYYYYY
N*(X pattern) + Y pattern
--

101 64p->2040p +8
--
101NNNNN 00NNNMMM XXXXXXXX M bytes
N*(X pattern) + M bytes (0-2, maybe more)
--

First packet header
--
a0 c0 0xXX 0xYY
0xYYXX = total transfer size
--