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5
Trouble Shooting > Service Mode
Service Mode
■ ADJUST GR.
Item
Description
ENGINE
To execute density correction by setting the developing
DENSITY CORR.
bias on the engine side.
SUBTLE
To adjust fine density at 1200pdi.
DENSITY CORR.
■ OPTION GR.
Item
B4-L-CNT
Not use
SCT-ALL-CLR
To set whether clearing of all counts can be executed from the "Dept ID
(LBP6680x Only)
control setting" screen of RUI.
ON: Clearing of all counts can be executed.
OFF: Clearing of all counts cannot be executed.
SCT-IDV-CLR
To set whether clearing of counts can be executed from the "Dept
(LBP6680x Only)
editing" screen of RUI.
ON: Clearing of counts can be executed.
OFF: Clearing of counts cannot be executed.
PS-MODE
For R&D
TONEROUTCONT.PRINT
Not use
■ FUNCTION GR.
Item
ECONF
EXPORT
To export device setting data in the following priority order.
USB memory > SD card > RAM
GENERAL Whether to set items whose device settings do not depend
on the PCB, but can be performed commonly within the same
device as the target
DEPEND
Whether to set items whose device settings change
depending on the PCB as the target
SECURITY Whether to set items related to security as the target
ALL
Whether to set all items exported in GENERAL/DEPEND/
SECURITY as the target
IMPORT
To import device setting data in the following priority order
USB memory > SD card > RAM
5
Trouble Shooting > Service Mode
Setting Range
*
0
to 15
*,
-1, 0
1
T-5-5
Description
Description
Item
USB-H
To set to enable/disable the USB host function.
By turning ON the host function, USB memory can be used.
(Note) Points to note when pulling out the USB memory
・ Be sure to pull out the USB memory after turning USB-H to OFF because the USB
memory is in the connected state when USB-H is ON.
・ Pulling out the USB memory while it is being accessed causes an error.
ON: Use the USB host function. (* default)
OFF: Do not use the USB host function.
SUBLOG
To output sublog to the USB memory.
TO USB
It can be used regardless of the USB-H setting.
(Note)
It cannot be executed more than 2 times consecutively. Since automatic recording of
sublog can no longer be performed when executed once, be sure to turn OFF and then
ON the main power after execution.
MEAP
MEAP-PN
To specify the port number of MEAP HTTP.
(LBP6680x
MEAP-SSL To specify the port number of MEAP HTTPS.
Only)
CDS-MEAP To set whether to permit the user administrator to install MEAP application
CDS-FIRM To set whether to permit the user administrator to update firmware
CDS-UGW To set whether to permit firmware update from UGW
CDS-LVUP To set whether to permit service technician or user administrator to use
the periodical update function.
CDS-CTL
It is a menu to switch countries for obtaining firmware via CDS.
Use this item to switch countries when obtaining firmware from another
country due to the distance to the location server.
T-5-6
MEAP
Use this item when "E602-0009" occurs.
FUNCTION
It is a menu to clear the error code and recover MEAP.
ON: Recover MEAP.
OFF: Do not recover MEAP. (default)
DDNSINTY To change DDNS periodical update interval.
0: Do not perform periodical update.
1 to 48: 1 to 48 hours (default value: 24)
[Description of terminology]
DDNS (Dynamic Domain Name System): A system to dynamically register and
manage the IP addresses which are dynamically allocated and their host names
IPMTU
To change MTU size of network packet.
Use this item when performing communications between locations (such as SEND)
connected with Ethernet in a field environment where MTU black hole problem occurs
1 to 10
[Description of terminology]
MTU: A unit of transmission showing the maximum value of data which can be sent per
1 transfer (1 frame) in a network
MTU black hole: A problem which occurs when ICMP packet is being filtered by
firewall, etc. (Since the message does not reach the sender, the sender is not aware of
the packet being lost, which then results in time-out.)
5-8
Description
5-8
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Table of Contents
Troubleshooting
