Section 4: Operation and Configuration
CG4 Series Service Manual Page 4-19
4.10 BOOT DOWNLOAD MODE
In this boot download mode, the operator can download and replace the entire boot section of the firmware in
the Flash ROM memory. This is a critical mode meant only to be handled by experienced operators. Avoid
using this mode if you are not clear about its function.
Notes:
• Use the selected interface for PC connection.
• Restart the printer in order to activate the Downloaded program.
• Ensure that the printer is in the “Wait to receive data” status (
ERROR indicator: blinking red light) before
you manually turn off the printer.
• During the process of downloading, if
ON LINE (POWER) and ERROR indicators respond differently from
above mentioned procedure, an error may have occurred. Please refer to
Section 4.11 Error Occurrence
While Downloading
for details.
CAUTION:
• Downloading firmware will initialize all the previous settings (set by Utilities tool
application or by commands). Write down its setting details or keep a copy of
FACTORY TEST PRINT for your information in case you wish to maintain the same
settings in the future.
• DO NOT turn the printer OFF when data is transferring to the flash ROM in Program
or Boot Download mode, as it may corrupt the firmware and prevent the printer from
starting up correctly.
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