2H4
1-6-2
(2) Downloading the firmware from the USB memory
To download data written in a USB memory to the printer, proceed as explained in this section.
CAUTION
Downloading firmware takes several minutes. Do not turn power off during downloading. If downloading is interrupted by
an accidental power failure, etc., the control PWB may have to be replaced.
Procedure
1. Turn printer power off.
2. Insert the USB memory to the PC's USB
slot.
3. Copy the firmware files to download to the
root directory of the USB memory.
4. Remove the USB memory from the PC's
USB slot.
5. Insert the USB memory into the printer's
USB memory slot.
Figure 1-6-2
6. Turn printer power on.
7. When message display (1) is displayed to
detect firmware in the USB memory.
8. Message display (2) is displayed during
downloading.
9. When message display (3) is displayed to
indicate downloading is finished.
Figure 1-6-3
USB memory
USB memory
slot
(2)
(1)
supervisor mode
USB data reading
supervisor mode
Message display
(3)
2H4_1000.000.024
[E1F9]
Supplement (Normally: 00)
Classification (Normally: 0)
Product code
2H4= This printer
Checksum
Update history
Build number
Firmware category
10: Engine
30: System (Main)
31: System (BROM)