Oki Data CONFIDENTIAL
42930511TH Rev. 2 219 /
Only certain printers cannot communicate.
Phenomenon:
Of the multiple C9600 units connected to the same wireless network, some C9600 can communicate
while others can not.
Possible cause What to do
Wireless LAN settings/network settings of
the printers that cannot communicate are
incorrect.
Bad electric wave condition/electric wave
hard to reach due to obstacles
The maximum connectable number has
been exceeded due to many wireless
terminals (Note PC, etc) that are
simultaneously connected.
Network FW has been lost.
Printer’s hardware problem
(e.g. Damaged flash)
Wireless LAN card hardware problem
(e.g. Damaged flash)
Compare the wireless LAN settings/network settings of the printer that can
communicate and the printer that cannot, and set them correctly in the
printer that cannot communicate.
Change the installation position/direction of the printer that cannot
communicate, and try again.
Change the access point installation position/direction, and try again.
Check the peripheral electric wave sources (cordless phone, microwave
oven, Bluetooth device, etc) and turn off the devices that are not in use.
Change the C9600 setting to connect to a different access point.
Turn off the wireless terminals (Note PC, etc) not in use.
* Even if it is in standby state, the wireless terminal is connected to the
access point.
Print the Network Summary (both wired and wireless), and check
Firmware Version, Wireless F/W Version and Wireless ID Version. If any
of them is not indicated correctly, download the network F/W again.
Check if the printer works via the wired LAN interface. If it does not,
replace the printer.
Replace the wireless LAN card.
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