09/03
4-174
DC 3535/2240/1632, WC M24
ADJ 9.9, ADJ 9.10
Initial issue
Repairs and Adjustments
Lead Edge Registration for Tray 5 (MSI)
Purpose
To correctly set the lead edge of the image in relation to the edge of the paper.
Check
1. Load Tray 5 with 8.5x11”/A4 LEF paper. Depending on ESS software version, it may be
necessary to set the Reg guide to the A4 position and register the paper to the front
2. Select Tray 5 (MSI) in the Lead Edge column.
3. Press the Start button on the screen. As the prints are made, mark each to indicate the
lead edge.
4. Take the third pattern that was printed and measure from the lead edge to point ‘A’ on Fig-
ure 1 (the intersection of the 7th line from the left edge and the first line from the lead
edge).
5. If the measured value is not 21.6mm±0.5, perform the Adjustment.
Adjustment
1. Use the Right and Left Arrow buttons to move the image toward or away from the lead
edge of the paper. Each click on the button moves the image 0.25mm. The cumulative
amount of shift is indicated in the Lead Reg. box.
2. After adjusting the registration, click Set Adjust Value.
NOTE: Changes made to the NVM for LE registration are not implemented unless the machine
exits Diagnostic Mode.
3. Go to the Service Exit tab and select Temporary Closeout.
4. After the machine reboots and is ready to copy, reconnect the PWS.
5. Select Start.
6. Repeat the check/adjustment until the specifications are met.
7. Select Save [LR] to save the new NVM settings.
ADJ 9.10 IIT Lead Edge Registration
Purpose
To adjust the IIT scan timing in the Slow Scan direction and to correct the copy position.
Check
CAUTION
Perform this adjustment only if absolutely required; the IIT Lead Edge Registration affects the
precision of the document size detection.
NOTE: Before performing this procedure, make sure that the IOT Lead Edge Registration is
correct. Refer to ADJ 9.9, IOT Side/Lead Edge Registration.
1. Place the Geometric Test Pattern on the Platen Glass correctly and make a copy with the
following settings:
• Copy Mode: Black
• Paper Size: 11 x 17 in or A3
• Magnification: 100%
• No. of Copies: 2
2. On the 2nd copy, check that the distance from the lead edge to the top of Step 3 on the
LE2 scale is 10.0mm +/- 2.1mm (Figure 1).
Figure 1 Checking IIT Side Registration
3. If the value is not within the specified range, Perform the Adjustment:
Lead Edge
10.0mm
+/- 2.1mm
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