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2-16
Section 2 Troubleshooting
2.4 level 2 Troubleshooting
2.4 Level 2 Troubleshooting
2.4.1 General F.I.P (General F.I.P for Defective Parts)
••••
Reflective Sensor F.I.P [SENSED(L)]
ORIGINAL SIZE Sensors 1~4
Preparation
:
•
Remove any remaining paper (if there is any).
Procedure
Enter Diag. [
٭
-
٭
].
Make the Sensor turn ON/OFF with a blank sheet of paper.
Does the display repeat (L) and (H) alternately ?
Y
N
Does the display remain (H)?
Y
N
It remains (L).
Check with the tester the harness from Pin 2 of the
Sensor to Pin 5 of PWB for a short circuit. If it is good,
replace the Sensor.
Can the tester lead wire be inserted in Jxx of the Sensor ?
Y
N
Check Pins 4/5/6 for improper connections or
Harnesses
○
A
○
B
○
C
for open circuits. If they are good,
replace the Sensor.
٭
You can also check by exchanging the Sensor with
another Sensor of the same type if one is available.
Place the tester wire between Pin 2(+) of the Sensor and
COM(–) .
Make the Sensor turn ON/OFF with blank paper.
Does the voltage repeat (L) and (H) alternately?
Y
N
Is the voltage from Pin
1
(+) to Pin 3 of the Sensor
+5VDC?
Y
N
Check Pins 4/6 for improper connections or
Harnesses
○
A
○
C
for open circuits.
Replace the Sensor.
Check to see if the document detecting position on Platen
Glass is contaminated. If not, replace the PWB.
Check outer light/check the sensor for its installation and (signal)
chattering. If no problem exists, replace the PWB.
••••
••••
Permeable Sensor F.I.P [SENSOR(H)]
OTHER SENSORs with 3
Wiring
Preparation
:
•
Remove any remaining paper (if there is any).
Procedure
Enter Diag. [
٭
–
٭
].
Make Actuator turn ON/OFF manually or with paper. (If necessary,
use Output Check.)
Y
N
Does the display remain (H)?
Y
N
It remains (L).
Check with the tester the harness
○
B
from Pin 2 of the
Sensor to Pin 5 of PWB for a short circuit. If it is good,
replace the Sensor.
Can the tester lead wire be inserted in Jxx of the Sensor?
Y
N
Check Pins 4/5/6 for improper connections or
Harnesses
○
A
○
B
○
C
for open circuits. If they are good,
replace the Sensor.
٭
You can also check by exchanging the Sensor with
another Sensor of the same type if one is available.
Place the tester wire between Pin 2(+) of the Sensor and
COM(–) .
Make Actuator turn ON/OFF manually or with paper.
Does the voltage repeat (L) and (H) alternately?
Y
N
Is the voltage from Pin
1
(+) to Pin 3 of the Sensor
+ 5VDC?
Y
N
Check Pins 4/6 for improper connections or
Harnesses
○
A
○
C
for open circuits.
Replace the Sensor.
Replace the PWB.
Check the Sensor for its installation and (signal) chattering. If no
problem exists, replace the PWB.
Содержание 5915
Страница 1: ...XEROX 5915 SERVICE MANUAL Issued by Overseas Technical Group Xerox of Shanghai Limited 7th July 200 ...
Страница 4: ...Section 1 Service Procedure ...
Страница 6: ...1 2 Section 1 Service Procedure 1 1 Precautions Intentional bank page ...
Страница 9: ...Section 2 Troubleshooting ...
Страница 12: ...2 3 Section 2 Troubleshooting Intentional blank page ...
Страница 21: ...2 12 Section 2 Troubleshooting 2 3 Level1 Troubleshooting 2 3 Level 1 Troubleshooting 2 3 1 Level 1 F I P ...
Страница 35: ...Section 4 Disassembly Assembly Adjustment ...
Страница 37: ...4 2 Section 4 Disassembly Assembly Adjustment Intentional blank page ...
Страница 76: ...Section 5 Parts List ...
Страница 110: ...Section 6 GENERAL ...
Страница 123: ...Section 7 Wiring Data ...
Страница 124: ...7 1 Contents Section 7 Wiring Data Section 7 Wiring Data Plug Jack List 7 2 Connector Configuration 7 5 ...
Страница 128: ...7 5 Connector Configuration Section 7 WIRING DATA TOP VIEW Fig 1 TOP VIEW Fig 2 REAR VIEW Fig 3 MAIN MOTOR MAIN PWB ...
Страница 130: ...7 7 Connector Configuration Section 7 WIRING DATA R H VIEW A A DETAILS TOP VIEW Fig 6 Fig 7 ...
Страница 131: ...7 8 Section 7 Wiring Data Connector Configuration TOP VIEW Fig 8 BASE FRAME TOP VIEW Fig 9 ...
Страница 132: ...Section 9 BSD Block Schematic Diagram ...
Страница 135: ...9 3 1 1 STANDBY POWER Section 9 BSD Block Schematic Diagram ...
Страница 136: ...9 4 Section 9 BSD Block Schematic Diagram 1 1 STANDBY POWER ...
Страница 137: ...9 5 1 1 STANDBY POWER Section 9 BSD Block Schematic Diagram ...
Страница 138: ...9 6 Section 9 BSD Block Schematic Diagram 2 MODE SELECTION MACHINE RUN CONTROL START PRINT POWER ...
Страница 139: ...9 7 3 1 OPTICS Section 9 BSD Block Schematic Diagram ...
Страница 141: ...9 9 4 PAPER SUPPLYING AND TRANSPORTATION Section 9 BSD Block Schematic Diagram ...
Страница 143: ...9 11 5 XEROGRAPHICS COPY TRANSPORTATION AND FUSING Section 9 BSD Block Schematic Diagram ...