Lan Ethernet Interface - SATO M5900RVe Operator's Manual

Unit 5: Troubleshooting

LAN ETHERNET INTERFACE

• If the printer does not come up ready: Ensure the printer is powered on, all cables are
connected, and the printer is on-line. If possible, connect a terminal to the serial port and
observe for a boot prompt indicating the print server firmware has not been loaded properly. If
reloading does not correct the problem, try pressing switch 1 for more than 10 seconds. If the
problem persists, the product may be defective.
• If the printer comes up ready but will not print: There is a problem with the interface
between the server and the printer, network connection or cabling, or a queue setup flaw. The
queue setup flaw could be the result of a faulty print server setup or other protocol-related
scenarios. Systematically perform checks and tests to isolate the cause.
The interface between the printer and server may be checked by waiting approximately two
minutes after the printer is powered on and then run a self-test label. If a self-test label does
not print, there could be a hardware problem. Double check the cable connections. In some
rare cases, disabling NBUF with the command SET PORT P1 NBUF DISABLED will solve
the problem.
If connecting to a 10baseT network, verify that the OK LED is illuminated. If the appropriate
LED's are not on, there is a possibility of a defective cable or connector. Try connecting a
different cable, port, or device to observe the results.
If using a repeater or hub, ensure that SQE is turned off at the hub (this is the default setting
for most hubs). Also, test the hub or repeater by trying the print server on a different port.
If using a bridge or router located between the print server and the host computer, ensure
that the device is setup to allow the print server to send and receive data from the host. For
example, a bridge can only be set up allow certain types of Ethernet addresses to pass
through (a process known as filtering). Such a bridge must be configured to allow print server
addresses. Likewise, a router can be set up to only pass certain protocols. Ensure that the
desired protocol can be passed through to the print server. In the case of routers, also ensure
that the protocol is routable (LAT, NetBEUI, and DLC/LLC are not routable.
Ensure that an illegal operation such as printing a label larger than the printer can handle is
not being attempted.
Check the protocol troubleshooting sections provided with the Ethernet Interface Module for
additional causes of intermittent printer problems.
• Experiencing intermittent printing problems: Excessive NetWare polling may be a big cause
of intermittent problems. Ensure that only the needed NetWare file servers have been
enabled (do a SHOW NETWARE command from the print server console to see the enabled
file servers). If V3.21 or earlier versions of firmware is in use, ensure that NetWare polling is
disabled by using the console command SET NETWARE RANGE 0. If Netware is not in use,
disable NEtWare entirely with the command SET NETWARE DISABLED.
Check the individual troubleshooting sections provided with the Ethernet Plug-In Interface
Module for additional causes of intermittent printer problems.
SATO M5900RVe Operator Manual PN 9001125A Page 5-7