BUS Updated 12/2011
07/2011
4-201
WorkCentre 5335 Family Service Documentation
ADJ 6.3
Repairs & Adjustments
Initial Issue
ADJ 6.3 IIT Lead Edge Registration
Parts List on
PL 1.1
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 9.10
, IOT Side/Lead Edge Registration.
1.
Place the Geometric Test Pattern (82E8220) on the Platen Glass correctly and make cop-
ies 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 Lead Registration
3.
If the value is not within the specified range, Perform the Adjustment:
Adjustment
1.
Enter the Diagnostic mode (
Accessing UI Diagnostics
).
2.
Select
NVM Read/Write
location [715-050].
3.
Change the value.
•
1 increment: 0.029mm
•
Increment of the value: The image moves to the Tail Edge.
•
Decrement of the value: The image moves to the Lead Edge.
4.
Repeat Check and Adjustment until the Lead Edge measurement is within the specified
range.
Lead Edge
10.0mm
+/- 2.1mm