Sharp MX-DE12 / MX-DE13 / MX-DE14 (serv.man8) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Ltd., Document Systems Support
1/6
Date:
28
th
April 2014
Model:
See below
Ref.:
CCE1294
Colour:
White
Page:
1 of 6
TECHNICAL BULLETIN
“H3-00” TROUBLE CODE
1. Model Name: MX-4140N/4141N/5140N/5141N,
MX-DE23/DE13/DE14
2. Symptom:
Due to the contact failure of Transport earth plate installed to the vertical transport unit at
Paper feed unit for MX-4140N/4141N/5140N/5141N, the electrostatic discharge happens,
which may cause “H3-00” trouble code due to the malfunction.
3. Description:
For enhancement of the contact of Transport earth plate, the bending angle of Transport
earth plate has been changed.
Note) For MX-DE23/DE13/DE1 models, this has been done for the porpose of the
common use with other models, however for MX-DE13/DE14, please do not use the
modified parts for Paper feed unit beofe the modification was implemented in
accordance with T/R No.CCE-1160 (Shape change). Otherwise, the side effect
may occur.
About how to check whether or not Transport earth plate needs to be replaced and its
replacement procedure, please see the separate sheet.
- Transport earth plate (Side view)
- Identification of the current/
new
Transport
earth
plate
Add the hole.
Transport earth plate
Vertical transport unit
Before change : 50°
After change : 40°
Contact section
Sharp Electronics (UK) Ltd., Document Systems Support
2/6
4. Action: 1.
MX-4140N/4141N/5140N/5141N
: From mid-March 2014 production
2. MX-DE23/DE13/DE14
: From March 2014 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-4140N
MX-4141N
MX-5140N
MX-5141N
MX-4141N
MX-5140N
MX-5141N
ALL
9-20
QEARP0195FCZZ QEARP0195FCZ1
AC
1
Transport earth
plate
plate
2014/3
Mid
3
9-502
CGIDM2124FC31 CGIDM2124FC32
BA
Vertical transport
unit
unit
2
MX-DE23
5-20
QEARP0195FCZZ QEARP0195FCZ1
AC
1
Transport earth
plate
plate
2014/3 3
5-502
CGIDM2124FC31 CGIDM2124FC32
BA
Vertical transport
unit
unit
MX-DE13
5-2-20
QEARP0195FCZZ QEARP0195FCZ1
AC
Transport earth
plate
plate
5-2-502
CGIDM2124FC31 CGIDM2124FC32
BA
Vertical transport
unit
unit
MX-DE14
5-2-20
QEARP0195FCZZ QEARP0195FCZ1
AC
2
Transport earth
plate
plate
5-2-502
CGIDM2124FC31 CGIDM2124FC32
BA
Vertical transport
unit
unit
<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.
Sharp Electronics (UK) Ltd., Document Systems Support
3/6
- How to check whether or not Transport earth plate needs to be replaced;
Check if there is the continuity. (Transport earth plate needs to be replaced if there is no continuity.)
1. Turn off the main unit. (Detach AC plug.)
2. Measure resistance value on MFP side.
*Measure the resistance value four times rotating the roller by 90 degrees each time.
3. Measure resistance value on desk side.
*Measure the resistance value four times rotating the roller by 90 degrees each time.
Put a terminal to shaft section (next to rubber roller).
Ground point
Ground point
Put a terminal to shaft section (next to rubber roller).
Sharp Electronics (UK) Ltd., Document Systems Support
4/6
- Replacement procedure of Transport earth plate
Removing of Tray paper feed unit of the main unit (Service Manual 10-12, 13)
Remove only the second step of the paper feed unit. (There is no need to remove the 1st step.)
1) Remove the right cabinet front.
2) Remove the tray 2.
3) Remove the right lower door unit.
4) Remove the paper feed movable PG lower.
5) Remove the tray paper feed unit 2.
Display