BUS Updated 12/2011
07/2011
4-206
WorkCentre 5335 Family Service Documentation
ADJ 6.7
Initial Issue
Repairs & Adjustments
ADJ 6.7 DADF Original Detection Correction (Size
Detection Auto-Correction)
Parts List on
PL 1.1
Purpose
To automatically adjust the original size during DADF scan to the desired original size.
Proceed with this adjustment only after the following operations/events.
•
The DADF Assembly. is replaced.
•
An abnormality is detected after replacing the Reg. Roll, Feed Roll and Retard Roll.
•
A size detection error occurs.
Overview
Using the DADF, continuously scan 3 originals. The NVM Data is automatically corrected
based on the comparison between the Slow Scan Length and the reference value detected by
the DADF. The NVM Data that is corrected is "Size Correction Value for Slow Scan Originals in
Non CVT Mode" (Chain Link No. 710-552).
This operation cannot be terminated (or aborted) halfway through the process and has to be
completed from start to finish regardless of any abnormalities that occur
Adjustment
1.
Enter the UI Diagnostic Mode (
Accessing UI Diagnostics
).
2.
Select Sub System on the Maintenance / Diagnostics screen.
3.
Select ADF Independent Operation on the Sub System screen.
4.
The ADF Independent Operation screen is displayed.
5.
Set 3 A4/LTR- size documents in the DADF.
6.
When the Start button is pressed, the DADF starts pulling in the document and the cor-
rection value is calculated. At this point, the message "In progress" appears.
7.
The applicable NVM Data will then be updated. After the operation, the UI screen will be
displayed.
However, if this operation results in an NG, the NVM will not be updated and a message
indicating that an NG has occurred will be displayed.
8.
The operation ends when the Stop button is pressed.
Status Confirmation Specifications
You may check the following status by using NVM Read after operations.
NOTE: If it is still NG after the adjustment, repeat the procedure.
Table 1 NVM Data
Chain-Link Display Data Name
Reference
711-164
Size Correction Value for
Slow Scan Originals in
Non CVT Mode
Setting Range=144 to 256
(equivalent to 56 increments 10mm]
←
0.18mm/
increment)
Initial Value: 200 (However, there is an adjusted
value set against the initial value when shipped.)