MX-LCX6. Service Manual 10.06.08 - Sharp Copying Equipment Service Manual (repair manual). Page 20

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MX-LCX6  SELF DIAG MESSAGE AND TROUBLE CODE  10 – 1
MX-LCX6
Service Manual
 
[10] SELF DIAG MESSAGE AND 
TROUBLE CODE
1. Self diag
A. General
When an error occurs in the machine or when the life of a consum-
able part is nearly expired or when the life is expired, the machine
detects and displays it on the display section or notifies to the user
or the serviceman by remote email diagnostics. This allows the
user and the serviceman to take the suitable action. In case of a
failure, this feature notifies the occurrence of a failure and stops the
machine to minimize the damage.
B. Function and purpose
1) Securing safety. (The machine is stopped on detection of a
failure.)
2) The damage to the machine is minimized. (The machine is
stopped on detection of trouble.)
3) By displaying the trouble content, the trouble position can be
quickly identified. (This allows to perform an accurate repair,
improving the repair efficiency.)
4) Preliminary warning of running out of consumable parts allows
to arrange for new parts in advance. (This avoids stopping of
the machine due to running out the a consumable part.)
C. Self diag message kinds
• The self diag messages are classified as shown in the table
below.
D. Self diag operation
(1) Self diag operation and related work flow
The machine always monitors its own state.
When the machine recognizes a trouble, it stops the operation and
displays the trouble message.
A warning message is displayed when a consumable part life is
nearly expired or is expired.
When a warning message is displayed, the machine may or may
not be stopped.
The trouble messages and the warning messages are displayed by
the LCD.
Some error messages are automatically cleared when the trouble
is repaired. Some other error must be cleared by a simulation.
Some warning messages of consumable parts are automatically
cleared when the trouble is replaced. Some other warning mes-
sages must be cleared by a simulation.
Class 1
User
Warning of troubles which can be recovered by the 
user. (Paper jam, consumable part life expiration, 
etc.)
Service
man
Warning of troubles which can be recovered only by 
a serviceman. (Motor trouble, maintenance, etc.)
Other
-
Class 2
Warning
Warning to the user, not a machine trouble 
(Preliminary warning of life expiration of a 
consumable part, etc.)
Trouble
Warning of a machine trouble. The machine is 
stopped.
Other
-
Troubleshoot the cause.
YES
NO
Detects/analyzes
the content.
Trouble/Warning
Warning
Trouble
The machine is stopped.
The content is displayed.
Trouble/Warning
Warning
A consumable
part has reached
its lifetime.
Trouble
Replace or supply
the consumable part.
Cancel the self-
diagnostic message with
the diagnostics
(test commands).
Reset
Standby state
Monitors the machine
conditions.
Repair
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