Xerox 1632 2240 3535 Color Carrera Manual

6/02
4-167 DC1632/2240
ADJ 9.5
Repairs and Adjustments Prelaunch Training/Review
ADJ 9.5  TRC Adjust (dC924)Purpose
CAUTION
Perform this adjustment only to correct a strong customer complaint. Altering the setpoints will
affect both Print and Copy modes. Also, there is quite a bit of overlap among the low, medium,
and high densities. For these reasons, it is recommended that this procedure not be used
unless absolutely necessary.
To adjust image quality (TRC) to meet the users preference, by increasing...

6/02
4-168DC1632/2240
ADJ 9.6
Prelaunch Training/Review Repairs and Adjustments
ADJ 9.6   Color Registration (dC685)PurposeTo establish correct horizontal and vertical positioning of the four primary color images
The procedure consists of the following steps, which must be performed in the listed sequence:
1.Belt Edge Learn  - to align the Transfer Belt positioning system.
2.Fine Skew Setup - automatically performs horizontal and vertical alignment, and reports
any skew in the various images caused by...

6/02
4-169 DC1632/2240
ADJ 9.6
Repairs and Adjustments Prelaunch Training/Review 4. Select the Center Setup button.
5. Select Start.
CAUTION
Make sure not to hook the wiring harness when moving the MOB Sensor.
6. If Center Setup is OK, dC685 is complete. Use the Cleaning Tool to pull the MOB Sensor
back to the original position, and fasten the screw. 
If Center Setup fails, ensure MOB Sensor is positioned to the rear. Go back to step 1 of
the Center check.
 
Check the Rough Skew Setup
1. Select the Skew...

6/02
4-170DC1632/2240
ADJ 9.7, ADJ 9.8
Prelaunch Training/Review Repairs and Adjustments
ADJ 9.7   IIT Calibration (dC945)Purposeï To calculate and set up the White Reference Correction Coefficient. 
ï To correct the IIT sensitivity dispersion (CCD Calibration).
ï Adjust the light axis correction data when replacing the Lens unit.Adjustment1. Clean the Optics:
a. Switch off the power and allow the Exposure Lamp to cool off.
b. Using the optical Cleaning Cloth, clean the front and rear of the Document...

6/02
4-171 DC1632/2240
ADJ 9.9
Repairs and Adjustments Prelaunch Training/Review
ADJ 9.9 IOT Registration Series (dC129)PurposeThe purpose is to adjust the position of the printed image on the page. This is done by chang-
ing the value in the appropriate NVM location in dC129. This controls where the ROS writes
the image. IntroductionThis series consists of 4 procedures:
Lead Edge Registration (Trays 1-4)
Side Edge Registration (Trays 1-5)
Duplex (Side 2) Registration 
Lead Edge Registration for Tray 5...

6/02
4-172DC1632/2240
ADJ 9.9
Prelaunch Training/Review Repairs and Adjustments
Side Edge Registration for Paper Trays 1 - 5
PurposeNOTE: Each Paper Tray has a separate setting for side edge registration.
To correctly position the side edge of the image in relation to the outboard edge of the paper.Check1. Check that paper is loaded in all trays, and that the paper guides are adjusted correctly.
For Tray 1 and Tray 2, use 11 x 17 in. or A3 paper if available.
2. Select Tray  1 in the Side Edge column.
3....

6/02
4-173 DC1632/2240
ADJ 9.9, ADJ 9.10Repairs and Adjustments Prelaunch Training/Review
Lead Edge Registration for Tray 5 (MSI)
PurposeNOTE: There are three settings for Tray 5 Lead Edge; one for standard weight paper, one for
heavyweight stock, and one for extra-heavyweight stock. 
To correctly set the lead edge of the image in relation to the edge of the paper.Check1. Load Tray 5 with the largest standard weight paper used by the customer.
2. Select Tray 5 (MSI) in the Lead Edge column.
3. Press the...

6/02
4-174DC1632/2240
ADJ 9.10, ADJ 9.11
Prelaunch Training/Review Repairs and Adjustments
Adjustment1. Enter dC131 [715-301].
2. Change the value:
ï Each bit represents  0.036 mm
ï Increase the value to move the image toward the lead edge.
ï Decrease the value to move the image away from the lead edge.
ADJ 9.11  IIT Side Edge RegistrationPurposeTo adjust the IIT scan timing in the Fast Scan direction and to correct the copy position.Check
CAUTION
Perform this adjustment only if absolutely required; the...

6/02
4-175 DC1632/2240
ADJ 9.11, ADJ 9.12
Repairs and Adjustments Prelaunch Training/Review 4. If the value is not within the specified range, perform the Adjustment:
Adjustment
Purpose1. Enter dC131 [715-014].
2. Change the value:
ï Each bit represents  0.036 mm
ï Increase the value to move the image toward the edge.
ï Decrease the value to move the image away from the edge.
ADJ 9.12  IIT Vertical/Horizontal MagnificationPurposeTo correct the horizontal (fast scan)/vertical (slow scan) magnification...

6/02
4-176DC1632/2240
ADJ 9.12
Prelaunch Training/Review Repairs and AdjustmentsFigure 1 Checking Horizontal Magnification
Lead Edge
200mm
+/-1mm