HP color laserJet 4550 series - Page 282

280 Troubleshooting C7085-90921
I/O Menu
The I/O Menu allows you to make changes to printer interface settings. The following table lists the
selections that appear for each item in this menu.
*Denotes default setting
1
Only appears if I/O BUFFER is ON
EIO Menu
If an Enhanced Input Output (EIO) card (for example, an HP JetDirect Print Server) has been
installed in the printer, an additional menu is available. This additional menu provides a way to
configure the EIO accessory and to adjust network interface settings. For information about
HP JetDirect EIO menus, see the HP JetDirect Print Server Software Installation Guide. This guide
is included with the HP Color LaserJet 4500N and 4500DN printers and the 4550N, 4550DN and
4550HDN printers, and is also available through HP Direct. (See Appendix D in the online user
guide for ordering information.)
Table 7-19 HP Color LaserJet 4500 I/O Menu settings
Menu Item Values Description
I/O TIMEOUT 5 to 300 SECONDS
(default: 15)
Amount of time the printer
waits to receive data before
switching to another port.
I/O BUFFER AUTO*
OFF
ON
Allocates memory to I/O
ports.
I/O BUFFER SIZE
1
nnnnnnK
(default: 100K)
Amount of memory
allocated to the I/O ports.
PARALLEL HIGH
SPEED
YES*
NO
Allows faster parallel
communications supported
by newer computers.
PARALLEL
ADV FUNCTIONS
ON*
OFF
Turns bidirectional parallel
communication on and off.
Table 7-20 HP Color LaserJet 4550 I/O Menu settings
Menu Item Values Description
PARALLEL HIGH
SPEED
YES*
NO
Allows faster parallel
communications supported
by newer computers