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8825/8830 DDS User Guide/89

Reference

Scanner Diagnostics

Component Tests (continued)

Registration

The REGISTRATION test compensates for the actuation timing of the two

document sensors so that the document lead edge is correctly positioned

prior to the start of a scan. If the timing is correct, PASSED is displayed;

FAILED is displayed otherwise.

When the document is transported to the starting position, the lead edge

should be positioned within 0.25 inches (6.4 mm) of the center of the Platen

Window, as shown on the right.

If the lead edge is not positioned within the specification, perform the

REGISTRATION alignment.

1. Obtain a black, A (A0) piece of paper. The black paper test pattern

supplied with the scanner may be used.

2. Select REGISTRATION from the COMPONENT TESTS menu. The

REGISTRATION screen is displayed.

3. Press the Start key.

4. Immediately insert the black test pattern, short edge first.

5. Allow the Scanner to scan the pattern. If the adjustment is successful,

PASS is displayed.

6. If any other indication is displayed, try the test again. If the test still fails,

call for service.

7. Press the Exit key to leave the REGISTRATION screen.

REGISTRATION

PRESS START TO BEGIN

Registration of the Lead Edge - Top View

FRONT

REAR

Platen Glass

Platen Window

Lead Edge

Document

Xerox 8830 User Manual

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