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4-24
Section 4 Disassembly/Assembly/Adjustment
5. Xerographic
5.1.3 Charge Corotron Wire Replacement
Removal
1. Power off the machine and disconnect the
Power Plug.
2. Open the Front Cover and then the machine.
3. Remove the Drum Unit. ……................
(5.1.1)
4. (Fig. 1): Remove the Charge Corotron
Assembly.
➀
. Remove Screw.
➁
. Remove Charge Corotron Assy.
(Fig. 1)
5. (Fig. 2): Remove the Charge Corotron Wire.
➀
. Remove Front/Rear Arc Shields.
➁
. Remove Spring.
➂
. Remove Corotron Wire.
(Fig. 2)
Installation
1. Perform the installation in the reverse order of
removal.
NOTE
:
•
The copy edge erase amount changes
according to the Front Arc Shield
installing position. Install the Arc Shield
so that the copy edge erase amount
after replacement is the same as
before.
5.1.4 Basic Copy Quality Adjustment
Purpose
To determine the correction values
of Exposure Light Quantity and
Deve. Bias to obtain copy densities
appropriate to various types of
original.
NOTE
:
•
Copy Quality Adjustment should
be performed when copy quality
problems occur or the following are
replaced:
➀
. Drum Unit Replacement ....... (5.1.1)
➁
. Exposure Lamp Replacement
……………………………….. (4.3.2)
➂
. Main PWB Replacement ...... (9.1.2)
NOTE
:
•
Perform TRIM before making the Copy
Quality Adjustment.
Adjustment Flow
5.1.4-A Exposure Light Quantity Setup
Purpose
To adjust light quantities applicable
to each magnification and store the
values in NVM.
Check
1. Enter Diag. Mode [20-2].
The Control Panel displays the following:
Set/Count 30
2. Check that the magnification is 100%.
3. Set Test Chart(499T247 or 499T248) and
select A3 or B4.
4. Press the
Start
button and make three straight
copies. (Press the
Stop
button when the third
copy has been made.)
NOTE
:
•
Because pressing the
Start
button in
Diag. [20-2] will allow ten straight
copies to be made, press the
Stop
button at the completion of the third
copy.
•
This Diag Mode detects paper jams
and counts.
5. Evaluate the third copy.
Spec: At the target in the center of the copy.
•
(Fig. 1): 0.1 gray vertical/horizontal
lines disappear.
•
0.2 gray vertical/horizontal lines are
reproduced.
(Fig. 1)
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 ...