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Service Bulletin
SB Number: SB 2H9-020 Creation Date: 06/12/2011
Subject: Abnormal sound/Error code C3100/Broken Contact glass
Model: FS-1028MFP/1128MFP
Phenomena The following phenomena may occur when scanning originals from the Contact glass.
1. Abnormal sound may occur.
2. Error code C3100 (ISU home position error) may occur (The Contact glass contacts the
optical unit, when the optical unit moves).
3. The Contact glass may break.
Cause The Contact glass may disengage from the latch with the ribs, that fix the Contact glass at the
ISU lower frame. This is due to the improper fixing position of the Contact glass.
Solution The position of the Contact glass has been changed (Parts frame ISU top assy SP(302LW94100)).
Parts frame ISU top assy SP
Upper frame Contact glass
Contact glass
Upper frame
0.5mm
0.5mm
0mm
0mm
The Contact glass has been aligned to the The Contact glass has been aligned to the
rib (No protruding over the rib). rib (No protruding over the rib).
Classification Entire stock rework X In-field modification by case No modification necessary
In-field modification at next visit
Field measure When the above mentioned phenomena occur, please replace the Parts frame ISU top assy with
the latest type.
Serial numbers of affected machines
Type Item number Serial number
FS-1028MFP 1102H93EU0 QQX0X10143
FS-1028MFP/DP 1102H93EU1 QUV0X25612
FS-1128MFP 1102JN3EU0 QRD0X43993
The above mentioned changes have been applied to machines produced after the above mentioned serial numbers.
KMIS Service Department, Kyocera Mita Europe Page 1 of 1 B418 / SB 2H9-020