Read Sharp MX-RB20 (serv.man6) Technical Bulletin online
Sharp Electronics (UK) Ltd., Document Systems Support
1/3
Date:
18
th
December 2013
Model:
MX-RB20
Ref.:
CCE1232
Colour:
White
Page:
1 of 3
TECHNICAL BULLETIN
COUNTERMEASURE FOR REVERSE GATE OF
INTERFACE UNIT NOT RETURNING
INTERFACE UNIT NOT RETURNING
1. Model Name:
MX-RB20 (Option for MX-4140N/4141N/5140N/5141N)
2. Symptom:
The reverse gate return spring (MSPRD4435FCZZ) is leaning and then falling into a hole
of the shaft. This becomes the load and interferes with the lifting of the reverse gate to
the top, occasionally resulting in the paper jam like APPD1-N.
3. Description:
Modification has been made to prevent the spring from leaning and falling into the hole of
the shaft by adding the bearing beside the spring.
4. Action:
From mid-October 2013 production
5. Parts Action:
Ref.
No.
Model
name
Version P/G No.
Current parts
New parts
Price
rank
Q’ty
Parts name
Effective
time
Inter-
change-
ability
Parts code
Parts code
1
MX-RB20
ALL
3-
-
NBRGC0531FCZZ AC
1
Bearing
2013/10
-
<Interchange>
1. Interchangeable.
4. Not interchangeable.
2. Current type can be used in place of new type.
New type cannot be used in place of current type.
5. Interchangeable if replaced with same types of
related parts in use.
3. Current type cannot be used in place of new type.
New type can be used in place of current type.
6. Others.
Parts marked with "
" is important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
Change to
Reverse gate return SP
(MSPRD4435FCZZ)
Bearing
(NBRGC0531FCZZ)
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1. Remove Interface unit from the main unit of the machine.
2. From the upper and lower side indicated by arrows, check that the grease (FLOIL G313S)
UKOG-0307FCZZ is applied to the inner/outer side of the spring. If not applied, please apply it.
3. Remove E-ring and sintered bearing at the rear side.
Upper side
Lower side
Check the grease on upper side.
Remove E-ring.
Remove sintered bearing.
Check the grease on lower side.
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4. After inserting the bearing (NBRGC0531FCZZ) to the shaft, mount E-ring and sintered bearing
removed at Step 3.
5. Mount Interface unit to the main unit of the machine. This is the end of the procedure.
Insert the bearing.
Insert sintered bearing.
Mount E-ring.