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9-8
Section 9 BSD (Block Schematic Diagram)
3.2 OPTICS
U2-1
LAMP CARRIAGE FAIL - STANDBY
Lamp carriage fails to activate optical registration sensor for 6.5 sec during standby.
U2-2
LAMP CARRIAGE FAIL - POSITION
Case 1: Optical registration sensor fails to turn on within 0.65 sec at lamp carriage initialization after end of copying.
Case 2: Optical registration sensor fails to turn off within 0.65 sec at start of copy.
U2-3
LAMPCARRIAGE FAIL-SCAN
Optical registration sensor fails to turn on within 0.46 sec after lamp carriage initiated scanning.
U2-4
LAMP CARRIAGE FAIL - RETURN
Optical registration sensor fails to turn on within 2.5 sec after lamp carriage initiated return.
U3-1
LENS POSITION FAIL
Lens sensor fails to turn on within 3.1 sec after lens initialization was initiated (start of movement).
U8-1
EXPOSURE CONTROL FAIL
Control mode is not set within 0.5 sec after exposure lamp turned on.
U8-4
EXPOSURE VOLTAGE OVER FAIL
Voltage level of exposure signal intensity level already exceeds 2.9 V when exposure lamp turns on.
U8-5
EXPOSURE VOLTAGE UNDER FAIL
Voltage level of exposure signal intensity level is already below 0.5 V when exposure lamp turns on.
Test
data
No.
Signal name
Measurement
point
Measurement method
Reference value
1
EXPOSURE LAMP
TERMINAL VOLTAGE
P/J16-1
⊕
P/J16-2
•
Enter diag code [6-7]
•
Start a copy cycle in normal mode.
100VAC
60-70VAC
2
EXPOSURE LAMP
STARTING SINGNAL
P410-12
⊕
COM
Enter diag code [6-7] measure
ON: +10.2VDC
OFF: 22.3VDC
3
LAMP VOLTAGE MONITOR
SIGNAL
Enter diag code [6-7] and then [6-8] to check A/D value
A/D VALUE: B4 to B6
(reference: +19VDC)
4
LAMP CARRIAGE MOTOR
ON 24V CLOCK
J605-3,4,5,6
⊕
COM
Enter diag code [6-3] or [6-4] and
measure
ON: +24.0VDC
OFF: +24.5VDC
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 ...