Ricoh ADF DF7010, Field Service Manual

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43
Chapter 4 2 Electrical System
(2) Reading Start Position of ADF
Adjustment procedure
1. Mark with 1 mm interval up to 5 mm from
the top end of the paper to prepare a test
document.
2. Perform master making and printing to the
same size and to two printouts.
3. Make adjustment by "3. SCAN LEAD EDGE
START POSITION" of HELP-042 so that
printing starts at 2 mm from the document lead
edge on the second print paper.
Document Print
Document
Mark this corner
with each other
Basic line of the printed sample
Document basic line
Mark with 1 mm
interval from
the top end of
the document
1. Adjusting the Top End Reading Start
Position Adjustment procedure
2. Adjusting the Lateral (Operation Side)
Reading Start Position
Adjustment procedure
1. Make a basic document (as shown in the
figure) from a sheet of paper*.
Draw a 100 mm line at the position 30 mm
from the right end and from the top end of the
paper*.
* A3 model: A3 paper
* B4 model: B4 paper
Make sure that the second printing starts
at 2 mm from the document lead edge.
Print ejection
direction
● Basic document
Printing paper
HELP-043 → See page 63
2. Compare the printed image with the basic
document.
Check the difference between the straight lines
in the vertical direction.
3. Make adjustment by " 4. SCANNER HORIZONTAL
READING CENTER(mm) " of HELP-042 so that
the following equation holds.
L1−L2 ≤ ±1 mm
Adjusting direction
● L1<L2: The value is decreased.
● L1>L2: The value is increased.
For the model with the feed tray horizontal
registration adjuster dial equipped, preset the dial
to “0”.
REFERENCE
HELP-043 → See page 63