FujiFilm CR-IR341 Service Manual page 646

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C
ONTENTS
(11) Remove the cover from a new polygonal mirror assembly.
Release the latches of the cover, and lift up the cover so as to avoid contact with the
mirror face of the polygonal mirror.
New polygonal mirror assembly
(handling caution required)
(12) Install the new polygonal mirror assembly in reverse order of removal.
NOTE
When installing the polygon, pay attention to its direction. Orient the polygon so that its
narrower edge width faces front, as seen from above.
(13) Take the steps described in "Checks after Polygonal Mirror Assembly Replacement"
below.
Checks after Polygonal Mirror Assembly Replacement
(1) Turn ON the high-voltage switch (S1) of the SCN08A board.
(2) Reinstall all the covers.
(3) Power ON the machine.
Make sure that the machine starts up normally.
(4) Perform shading/sensitivity correction.
"9.2 Shading/Sensitivity Correction"
(5) Generate image output, and check if there is anything abnormal with scanner control.
Uniformly expose IPs of each size at about 1 mR. Then, check the film image recorded
under SENSITIVITY from the Test Menu for scanner control failures, such as format
misalignment and shading, which may cause diagnostic problems.
If anything abnormal is found, make the following adjustment.
(6) Adjust the read start position and read width.
"9.1 Adjusting Read Start Position and Read Width, [6] Fine Adjustment of Read
Width and Read Start Position"
009-051-05 009-051-06
04.20.2001 FM3006
11.20.99 FM2638
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Cover
Polygonal mirror face
CR-IR341 Service Manual
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Latch
FR1H1405.EPS
MC - 155
MC - 155