2HL/2HM/2HN-1
1-6-6
13. Insert the memory card into the memory
card socket.
14. Refit the main PWB.
Figure 1-6-9
15. Turn printer power on.
16. When message display (1) is displayed to
detect firmware in the memory card.
17. Message display (2) is displayed during
downloading.
18. When message display (3) is displayed to
indicate downloading is finished.
Figure 1-6-10
Main PWB
Main PWB
Screw
Screw
Memory card
Memory card
socket
(2)
(1)
supervisor mode
USB data reading
supervisor mode
Message display
(3)
2HN_1000.000.024
[E1F9]
Supplement (Normally: 00)
Classification (Normally: 0)
Product code
Checksum
Update history
Build number
Firmware category
10: Engine
30: System
31: System (BROM)
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