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MX-DEX8/DEX9 SELF-DIAGNOSIS AND TROUBLE CODES 8 – 1
MXDEX9
Service Manual
[8] SELF-DIAGNOSIS AND
TROUBLE CODES
1. Simulations
A. Sensor Check
1) When you run SIM 4-2 using the keypad on the main unit, the
following screen appears and you can monitor changes in sen-
sor status.
sor status.
* When a sensor turns ON, the corresponding sensor name is
highlighted.
* The [
↑] button can be used to move to the previous page.
This button is, however, enabled only when there is one or
more pages that precede the current page. When there is
no page that precedes the current page, this button is dis-
abled and grayed out. The [
more pages that precede the current page. When there is
no page that precedes the current page, this button is dis-
abled and grayed out. The [
↓] button can be used to move
to the next page. This button is, however, enabled only when
there is one or more pages that follow the current page.
When there is no page that follows the current page, this
button is disabled and grayed out.
there is one or more pages that follow the current page.
When there is no page that follows the current page, this
button is disabled and grayed out.
* You can exit from SIM mode by pressing the [CA] key.
* You can return to the SUB number entry screen by pressing
* You can return to the SUB number entry screen by pressing
the [SYSTEM SETTING] key.
<Desk Sensors>
B. Load Operation Check
1)
Run SIM 4-3 using the keypad on the main unit. The following
screen appears:
screen appears:
2)
Select one or more loads you want to operate (in this example,
[DPFM]). When you select the button that corresponds to a
load, the button is highlighted. The button is unhighlighted
when you press it again.
[DPFM]). When you select the button that corresponds to a
load, the button is highlighted. The button is unhighlighted
when you press it again.
3)
Press the [EXECUTE] button to operate the selected load(s).
While the load or loads are operating, the [EXECUTE] button
is highlighted.
* Alternatively, you can press the [EXECUTE] button without
While the load or loads are operating, the [EXECUTE] button
is highlighted.
* Alternatively, you can press the [EXECUTE] button without
selecting any load; in this case, the [EXECUTE] button is
highlighted to indicate that you are in Execute mode. When,
in this mode, you press the button that corresponds to a load
you want to operate, the load immediately starts operating.
highlighted to indicate that you are in Execute mode. When,
in this mode, you press the button that corresponds to a load
you want to operate, the load immediately starts operating.
* While one or more loads are operating, you can stop the
operation or add another load.
* Pressing the [EXECUTE] button stops the currently operat-
ing load(s); the [EXECUTE] button then becomes unhigh-
lighted.
lighted.
* You can return to the SUB number entry screen by pressing
the [SYSTEM SETTING] key.
* You can exit from SIM mode by pressing the [CA] key.
<Desk load items>
C. Synchronizing Signal Check
1)
Run SIM 4-5 using the keypad on the main unit.
The following screen appears (initially, both DTRC and LTRC
are OFF):
The following screen appears (initially, both DTRC and LTRC
are OFF):
2)
Select [LTRC] and press the button.
The system starts checking the "turn ON" behavior, and dis-
plays the result of the check (the indicator changes to "ON" if
normal, or remains "OFF" if abnormal).
The system starts checking the "turn ON" behavior, and dis-
plays the result of the check (the indicator changes to "ON" if
normal, or remains "OFF" if abnormal).
3)
Select [LTRC] (now highlighted) and press the button.
The system starts checking the "turn OFF" behavior, and dis-
plays the result of the check (the indicator changes to "OFF" if
normal, or remains "ON" if abnormal).
The system starts checking the "turn OFF" behavior, and dis-
plays the result of the check (the indicator changes to "OFF" if
normal, or remains "ON" if abnormal).
* You can exit from SIM mode by pressing the [CA] key.
* You can return to the SUB number entry screen by pressing the
* You can return to the SUB number entry screen by pressing the
[SYSTEM SETTING] key.
Displayed name
Sensor name
DCSI1
Desk 1 attachment sensor
DPFD1
Desk 1 transport sensor
DLUD1
Desk 1 upper limit sensor
DPED1
Desk 1 paper presence sensor
DCSPD1
Desk 1 paper level sensor
DCSS11
Desk 1 rear edge switch 1
DCSS12
Desk 1 rear edge switch 2
DCSS13
Desk 1 rear edge switch 3
DCSS14
Desk 1 rear edge switch 4
DPWD11
Desk 1 paper width sensor 1
DPWD12
Desk 1 paper width sensor 2
DCSI2
Desk 2 attachment sensor
DPFD2
Desk 2 transport sensor
DLUD2
Desk 2 upper limit sensor
DPED2
Desk 2 paper presence sensor
DCSPD2
Desk 2 paper level sensor
DCSS21
Desk 2 rear edge switch 1
DCSS22
Desk 2 rear edge switch 2
DCSS23
Desk 2 rear edge switch 3
DCSS24
Desk 2 rear edge switch 4
DPWD21
Desk 2 paper width sensor 1
DPWD22
Desk 2 paper width sensor 2
DSW_DSK
Right door open/close sensor
0
DESK/LCC SENSORCHECK
CLOSE
SIMULATION NO.04-02
TEST
1/2
DCSS21
DCSS22
DCSS23
DCSS24
DCS I1
DPFD1
DLUD1
DPED1
DCSPD1
DCSS11
DCSS12
DCSS13
DCSS14
DPWD11
DPWD12
DCSI2
DPFD2
DLUD2
DPED2
DCSPD2
Displayed name
Description
DPFM
Desk main motor
DLUM1
Desk 1 lift-up motor
DPUC1
Desk 1 paper feed clutch
DLUM2
Desk 2 lift-up motor
DPUC2
Desk 2 paper feed clutch
DTRC
Desk transport clutch
0
SIMULATION NO.04-03
TEST
DESK/LCC LOAD CHECK
EXECUTE
1/1
DPFM
DLUM1
DPUC1
DLUM2
DPUC2
DTRC
CLOSE
CLOSE
1/1
SIMULATION NO.04-05
TEST
DESK/LCC SYNCRONIZING SIGNAL CHECK
DTRC
LTRC
DTRC OFF
LTRC OFF
0
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