January 2016
2-101
WorkCentre 4150/4250/4260WorkCentre WorkCentre 4150/4250/42604150/
OF2
Status Indicator RAPs
OF2 UI Touch Screen Error RAP
Use this RAP to solve UI touch screen problems when the machine has power but either the
display is missing, is too dark or the UI screen responds incorrectly or does not refresh.
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
Go to the relevant procedure:
•
4150 Checkout
•
4250/4260 Checkout
•
4265 Checkout
4150 Checkout
NOTE: The main PWB has test points. The location of the test points is shown on the
Main
PWB
PJ location illustration.
Refer to
Wiring Diagram 3
,
Wiring Diagram 8
and
Wiring Diagram 10
. Perform the following:
1.
Make sure that the backlight level is not turned down.
2.
If possible, enter
dC305
UI Test. Perform the relevant tests to check the operation of the
UI.
3.
Remove the UI, refer to
REP 2.1
. Check the wiring between the
UI PWB
and the touch
screen,
PL 2.10 Item 2
.
4.
Check the wiring between CN6 on the
UI PWB
and CN4 on the
Main PWB
.
5.
Check for +5V and +24V on CN27 on the
Main PWB
. If +5V and +24V are not available,
perform the following:
•
Check the wiring between CON71 on
Power Supply Unit 1
and CN27 on the
Main
PWB
.
•
Install a new power supply unit 1,
PL 1.10 Item 3
.
•
Perform the
OF5
Main PWB Check RAP.
6.
Install new components as necessary:
•
Touch screen,
PL 2.10 Item 2
.
•
UI assembly,
PL 2.10 Item 1
.
7.
Perform the
OF5
Main PWB Check RAP.
4250/4260 Checkout
NOTE: The main PWB has test points. The location of the test points is shown on the
Main
PWB
PJ location illustration.
Refer to
Wiring Diagram 19
. Perform the following:
•
If possible, enter
dC305
UI Test. Perform the relevant tests to check the operation of the
UI.
•
Remove the UI, refer to
REP 2.2
. Check that the ribbon cables between the UI PWB and
the touch screen,
PL 2.12 Item 2
are connected and securely held by the locking mecha-
nism on each connector.
•
Check the wiring between CN1 on the
UI PWB
and CN2 on the
Main PWB
.
•
Check for +5V and +24V on CN2 on the
Main PWB
. If +5V and +24V are not available,
perform the following:
–
Check the wiring between CON71 on
Power Supply Unit 1
and CN18 on the
Main
PWB
.
–
Install a new power supply unit 1,
PL 1.15 Item 3
.
–
Perform the
OF5
Main PWB Check RAP.
•
Install new components as necessary:
–
Touch screen,
PL 2.12 Item 2
.
–
UI assembly,
PL 2.12 Item 1
.
•
Perform the
OF5
Main PWB Check RAP.
4265 Checkout
NOTE: The main PWB has test points. The location of the test points is shown on the
Main
PWB
PJ location illustration.
Refer to
Wiring Diagram 34, Wiring Diagram 36
and :
Wiring Diagram 44.
Perform the following:
•
If possible, enter
dC305
UI Test. Perform the relevant tests to check the operation of the
UI.
•
Remove the UI, refer to
REP 2.3
. Check that the ribbon cables between the UI PWB and
the touch screen,
PL 2.12 Item 2
are connected and securely held by the locking mecha-
nism on each connector.
•
Check the wiring between CN8 on the
UI PWB
and CN5 on the
Main PWB
.
•
Check for +5V and +24V on CN32 on the
Main PWB
. If +5V and +24V are not available,
perform the following:
–
Check the wiring between CON71 on
Power Supply Unit 1
and CN33 on the
Main
PWB
.
–
Install a new power supply unit 1,
PL 1.15 Item 3
.
–
Perform the
OF5
Main PWB Check RAP.
•
Install new components as necessary:
–
Touch screen,
PL 2.12 Item 2
.
–
UI assembly,
PL 2.12 Item 1
.
•
Perform the
OF5
Main PWB Check RAP.
Содержание 4150 - WorkCentre B/W Laser
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