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11.4 DHCP CLIENT SPECIFICATIONS
(1) Lease period
The default value for the lease period is 30 minutes. If the lease period is not specified on the
DHCP server, the lease period is the default value of 30 minutes. Before the lease period is
expired, the printer automatically extends the lease period.
(2) Startup time
It takes approximately 30 seconds to acquire the lease period from the DHCP server. Therefore,
when the DHCP client function is used, it takes approximately 30 seconds for the printer to start
up, after the printer is powered on.
The timeout of acquiring the lease period is approximately 2 minutes. If the lease period cannot
be acquired from the DHCP server within 2 minutes, the printer starts up after 2 minutes, using
the IP address, which has been set on the printer in the system mode. (The IP address cannot be
acquired from the DHCP server.)
(3) DHCP ID
The DHCP ID can be set in the system mode or by the Parameter Set Command. The DHCP ID
can be used for checking, which IP address is leased to which client on the DHCP server.
If the DHCP IP is not set, the server is notified of the MAC address of the network device, such as
LAN card and the LAN board as the DHCP ID.
The 16-byte character strings can be set as the DHCP IP. However, “FFH (in hex)” must not be
used since it is recognized as an end-of-data character.
If “FFH (in hex)” is set as the first byte of the DHCP ID, it assumes that the DHCP ID has not been
set.
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