4.2.6 Network problems and solutions
For Troubleshooting, use below check points.
Network Printer Conguration check
1. Address Conict check
A. IP address Conict : Same IP address in a network
• Unplug network cable and perform PING test
B. MAC address Conict : Same MAC address in a physical network
• Default MAC address or same MAC address (PING and ARP –a)
2. IP get method check (Panel or SWS)
A.DHCP/BOOTP : IP can be changed after rebooting
B. Auto IP address : Xerox Model default on
3. Protocol Enable / Disable, Port Number (In SWS)
4. IP ltering On/Off
5. SNMP community name check (When SNMP no response)
Check Point Action
LAN cable check
A. Connected or Not connected
B. Wrong cable (defected cable, crossover cable)
C. Connection connector (Link partner check)
Network LED check
A. Link LED check (Link LED On when connected)
B. Activity LED check (No packet Regularly blinking, packet random blinking
depend on Printer Model)
Print Network test page
A. Printed correctly. If not, NIC is in lock up state or NIC cannot communicate
with the printer
B. Network address value check : IP address, Subnet Mask, Gateway, MAC
address
C. NIC F/W version (Correct or not)
1) V1.0x.xx : NPC3
2)V2.0x.xx : NPC3H
3)V3.0x.xx : PHY Board
4)V4.0x.xx : On Board
D. Protocol Enable / Disable
E. WLAN module / Status check if WLAN available.
Printer SET status check
A. Toner Empty, Paper Empty and so on : Hard Stop cases (Job cannot be
nished add paper or correct the abnormality to resume printing.)
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