Colortrac SmartLF SG Series User manual

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SG Series Technical Manual
Page 2 of 10
SG Series Scanners
SG 36m, 36c & 36e
SG 44m, 44c & 44e
Technical Manual
Issue 1
©Colortrac Ltd 2017
The product and the contents of this publication may be changed without prior notification.
Colortrac Ltd makes every effort to ensure this publication is free from error. Misprints, errors
or quality observations should be reported to Technical Support, Colortrac Ltd.
Colortrac Ltd shall not be liable for any damages, errors, issues or events that result from the
use of the equipment or this manual.
No part of this product or publication may be reproduced,
copied or transmitted in any form or by any means without
permission from:
Colortrac Ltd.
Units 3 –5 Brunel Court.
Burrel Road.
St Ives,
Huntingdon,
Cambridgeshire,
PE27 3LW.
United Kingdom.
Tel: [phone]
Fax: [phone]
www.colortrac.com

SG Series Technical Manual
Page 3 of 10

1.1 SG Camera Focus
1.1.1 Safety Precautions
Ensure that the power and communication cables are completely disconnected from the
scanner unit while removing panels.
Ensure the scanner is positioned on a stable maintenance platform.
1.1.2 Tools
Small Pozi-drive screwdriver.
Small Flat Screwdriver
1.1.3 Procedure
1. To open the Rear Access
Panel, remove 3 of the 4 x
M3 screws
2. While removing the 4th M3
screw, use your free hand to
hold the panel to prevent it
falling open, which could
cause damage to the internal
cables.
3. Gently lower the Rear Access
Panel down to its natural
position.

SG Series Technical Manual
Page 4 of 10
4. Remove the 6 x M3 screws
from the Rear Outer Cover.
5. Open the Lid Assembly by
depressing the Lid Latches at
either end.
6. Lift the Rear Outer Cover up,
and away from the rear of the
scanner.

SG Series Technical Manual
Page 5 of 10
7. Remove the 5 x M3 upper
screws from within the
recesses of the Rear Inner
Cover.
NOTE: It is worth magnitising the screwdriver,
or using some form of sticky putty to hold the
screw to the screwdriver to remove the
screws.
8. Remove the 2 x M3 lower
screws from the Rear Inner
Cover.
9. Carefully lift the Rear Inner
Cover clear from the scanner.
10. Insert the calibration target,
and set the software so it will
scan the auto-stitch lines
area of the target.

SG Series Technical Manual
Page 6 of 10
11. View the target, and if any
part is our of focus, make
adjustments to that camera.
12. On the camera that requires
focusing, it is recommend
using a pencil to mark the
original position of the focus
screw for reference.
13. Using a small flat
screwdriver, make a small
movement either one way or
the other.
14. Rescan the target exactly as
before.

SG Series Technical Manual
Page 7 of 10
15. Review the image, and see if
there is any difference.
16. If the focus looks to be
getting better, move the
screw in the same direction a
bit more. If looks worse, turn
it back to the reference mark
and move a bit more in that
same direction
17. If the image looks worse, turn
it back to the reference mark
and continue to move a small
amount in that same
direction.
18. Repeat until the focus looks
as good as it can get. It
maybe that the alignment
moves, and the auto-stitch
will bring it back in. If not the
scanner will need to be
returned for alignment, as
this is not possible in the
field.

SG Series Technical Manual
Page 8 of 10
19. Run the calibration and auto-
stitch processes.
NOTE: It maybe that the alignment moves
during focusing, and the auto-stitch should
bring it back in. If not the scanner will need to
be returned for alignment, as this is not
possible in the field.
20. To refit the Rear Inner Cover
make sure the edge of the
cover sits in the recess of the
scanner.
21. Replace 2 x M3 lower screws
to hold the Rear Inner Cover
in place, but do not tighten.
22. Replace the 5 x M3 upper
screws into the recesses of
the Rear Inner Cover.
NOTE: It is worth magnitising the screwdriver,
or using some form of sticky putty to hold the
screw to the screwdriver to refit the screws.

SG Series Technical Manual
Page 9 of 10
23. Tighten all 7 x M3 screws in
place.
24. To Refit the Rear Outer
Cover, slot the cutouts at the
top rear of the Rear Outer
Cover over the stand-offs on
the rear of the chassis.
25. Once in place, make sure the
Rear Outer Cover is pushed
fully down.
26. Refit the 6 x M3 screws,
leaving them loose until all
are in place.

SG Series Technical Manual
Page 10 of 10
27. Tighten the 6 x M3 screws.
28. Close the Rear Access
Panel, gently lift into postion,
making sure that no cables
are trapped or damaged.
Refit the 4 x M3 screws while
holding in position.