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Service Bulletin
SB Number: SB 2LZ-003 Creation Date: 30/03/2011
Light image density due to the damaged bias pin at the
Subject:
developing unit
FS-1100/1300D/1350DN/1120D/1320D/1370DN, FS-1028MFP/
Model:
1128MFP
The boss of the bias pin may be damaged when installing the Developing unit with too much force. As a result the
print density may become too light due to the contact failure between the pin and the earth plate at the
Developing unit side. Therefore the height of the pin has been reduced with 0.5mm and the bending angle of the
earth plate has been changed from R0.3mm to R1.3mm.
Parts
No. Old Parts New Parts Description Q'TY Interchange-
No. No. ability
Old New Old New
1 302HS02460 302HS02461 PIN CONTACT BIAS 1 1 O O
2HS02460 2HS02461
Developing unit side Earth plate The bending angle of the earth plate has
been changed from R0.3mm to R1.3mm.
Mainframe side Earth pin
The height of the Earth pin has been
reduced by 0.5mm.
Classification Entire stock rework In-field modification at next visit In-field modification by case X No modification necessary
Field measure No problems are expected.
Serial numbers of affected machines
Type Serial number
FS-1120D Q5Y0X30021
FS-1320D Q630X28885
FS-1370DN Q660X26411
FS-1028MFP QRB0X01017
FS-1128MFP QQX0X10143
The above mentioned changes have been applied to machines produced after the above mentioned serial numbers.
KMIS Service Department, Kyocera Mita Europe Page of A349 / SB 2LZ-003