44346001TH Rev.1
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Oki Data CONFIDENTIAL
7. TROUBLESHOOTING
7.5 Troubleshooting procedure
Use the following procedure to troubleshoot a problem with C310dn/C330dn/C510dn/
C530dn:
7.5.1 LCD messages list
Initializing
Panel display ( identifies
that no display is provided)
On-
line
lamp
Atten-
tion
lamp
Detail
PLEASE WAIT
On
On
Displayed until the CU program is expanded in the
RAM.
INITIALIZING
Off
Off
Indicates the controller side is being initialized.
MENU RESETTING
Off
Off
Indicates the EEPROM on the controller side is
being reset. The following is the conditions for
the EEPROM to be reset:
• The CU ROM is changed (a CU firmware version
mismatch is detected).
• The destination is changed.
• The EEPROM is forcedly initialized (the System
Maintenance menu).
• OEM is set by a PJL command.
RAM CHECK
****************
Off
Off
Indicates the RAM is being checked. The ratio
of the checked size to total size of the RAM is
indicated in the second row.
WAIT A MOMENT
NETWORK INITIAL
Off
Off
Indicates network initialization is being performed.
FLASH CHECK
Off
Off
Indicates information in unformatted resident/
option flash memory is being checked. This
message appears after such memory is detected
and MAINTENANCE MENU-FLASH FORMAT is
executed in the System Maintenance menu. This
processing is transparent to users, and this status
occurs in no user environments.
Problem
Occurred
Message on LCD
Use LCD messages
list to troubleshoot
problem (see section
7.5.1)
User troubleshooting flow
to troubleshoot problem
(see section 7.5.2)
Image trouble (or
no messages on
LCD)
User troubleshooting flow
to troubleshoot problem
(see section 7.5.3)