Colortrac P004243 Manuale utente
Gx+TM Colortrac Ltd Page 1 of 19
Issue 2
Gx+ Paper Hold Down Roller
Date:23/06/11
This is a confidential controlled document and is the property of Colortrac Ltd.
It is not to be copied or reproduced in part or whole. It is intended for staff to read.
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Gx+ Technical Manual
Page 2 of 19
SmartLF Gx+ Scanner
(For Gx+ Scanner up to serial number E2009180)
P004243 Gx+28 PHD
P004189 Gx+42 PHD
P004244 Gx+56 PHD
Technical Manual
Issue 2
©Colortrac Ltd 2011
•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 errors. 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:
Technical Support,
Colortrac Ltd.
Units 3 – 5 Brunel Court.
Burrel Road.
St Ives,
Huntingdon,
Cambridgeshire,
PE27 3LW.
United Kingdom.
Tel: +44 (0)1480 464618
Fax: +44 (0)1480 464620
www.colortrac.com
Gx+ Technical Manual
Page 3 of 19
1 PAPER HOLD DOWN ROLLER REPLACEMENT
1.1 Safety Precautions
•Ensure that the power is completely disconnected from the scanner unit.
•Ensure the scanner is positioned on its Colortrac stand, or a stable maintenance platform.
1.2 Tools
•Medium pozi-drive screwdriver.
•1.5mm Allen Key
1.3 Tools
•P004243 Gx+28 Paper Hold Down Roller
•P004189 Gx+42 Paper Hold Down Roller
•P004244 Gx+56 Paper Hold Down Roller
1.4 Procedure
1. Open the paper guide
assembly by depressing
both release buttons at
either end of the scanner.
2. Remove the 2 x screws
from the left hand end of
the Top Lid Cover.
Gx+ Technical Manual
Page 4 of 19
3. Remove the 2 x screws
from the right hand end of
the Top Lid Cover.
4. Carefully lift the Top Lid
Cover off from the paper
guide assembly, and store
in a safe place until
needed to refit.
5. Undo (but do not
completely remove) the
screw holding the Pressure
Roller Shaft Assembly in
place until it is clear of the
paper guide end plate.
Gx+ Technical Manual
Page 5 of 19
6. Loosen, but do NOT
remove, the 2 x screws
holding the Left Hand
release button in place....
..... until the end of the screws
are level with the inside edge
of the paper guide plate to
allow the plate to be lifted up.
7. Cut the 2 x tie wraps
holding the sensor cable to
the Pinch Roller Cover
Unit.
Gx+ Technical Manual
Page 6 of 19
8. Disconnect the sensor
cable to allow the Pinch
Roller Cover Unit to be
removed from the paper
guide assembly.
9. Remove the 14 x screws
holding the Pinch Roller
Cover Unit to the paper
guide assembly.
10. Remove the blanking plate
from the right hand end of
the paper guide assembly.
Gx+ Technical Manual
Page 7 of 19
11. Push the cable grommet
back through the hole in
the paper guide end plate.
12. Lift the left hand end of the
cover out of the paper
guide assembly pass the
previously loosened
screws....
.... then lift the right hand end
making sure the Pressure
Roller Shaft Assembly is free
from the paper guide end plate,
and the cable through the
paper guide end plate is not
damaged.
Gx+ Technical Manual
Page 8 of 19
13. Remove 2 x screws from
both the left hand and right
hand paper hold down
spring brackets, and
remove the bracket and
spring.
14. Remove the 3 x M4 screws
holding the gas piston on
to the left hand side of the
paper guide assembly,
remembering that once the
3
rd
screw is released the
paper guide assembly will
drop slightly.*
WARNING: Do not allow the screws
and/or washers to drop as it will go into
the chassis. Dropped screws can be
retreived by opening the access panel
following instructions in chapter 11.3
“Opening / Closing The Rear Access
Panel”.
15. The gas piston will stay
expanded after being
released.*
*Photo for illistration purposes only, as lid has already been removed at this point of the process.
Gx+ Technical Manual
Page 9 of 19
16. Remove the 3 x screws
from the right hand gas
piston. As the last screw is
being removed, hold the
paper guide assembly with
your free hand to prevent it
dropping shut and causing
damage. Fully open the
Paper Guide Assembly at
this point.
17. Lifting the paper guide
assembly, while holding
the roller support bracket
with one hand to stop the
rollers falling from the
paper guide assembly,
remove the 4 x screws to
release the roller bracket.
18. Close the paper guide
assembly again, and
remove the left hand roller
support bracket. Make sure
the gas pistons don't catch
on the pillors on either end
of the lid assembly.
Gx+ Technical Manual
Page 10 of 19
19. Remove the 22 x plungers,
springs and caps which
hold the Pinch Roller
Assemblies in place.
20. Lift the paper hold down
roller and Pinch Roller
Assembly, which are joined
together by the spacing bar
and belt, letting the right
hand ends out of the
bearings in the right hand
support bracket.
21. Placing the paper hold
down roller and Pinch
Roller Assembly on a desk,
use a small flat screwdriver
to prise the circlip off the
left hand end which holds
the spacing bar on.
NOTE:
Later releases of Gx+ scanner
do not have this Circlip fitted
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