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Service Bulletin
SB Number: SB 2LY-001 Creation Date: 30/08/2010
Subject: Firmware upgrade
Model: FS-1120D/1320D/1370DN
Item Contents
1 Developer bias output voltage Phenomenon
leakage. The developer bias output voltage may leak when using the machine in high
altitude environments.
Solution
The developer bias output voltage setting has been limited to the level where
leakage can not occur.
2 Reducing sound from the To reduce the sound generated by the cooling fans, the fan control has been
cooling fans. changed as follows:
After "Ready" is displayed at the operation panel, the timer to change the fan
speed from full to half speed has been changed from 30 seconds to
10 seconds.
Firmware
Type Program No. Check SUM Version Status date Applicable model
SYSTEM 2LZ_3000002001 9497 002.001 10/02/2010 FS-1120D
ENGINE 2LY_1000003001 3365 003.001 08/07/2010 FS-1120D
SYSTEM 2LZ_3000002001 9497 002.001 10/02/2010 FS-1320D
ENGINE 2LZ_1000003001 106f 003.001 08/07/2010 FS-1320D
SYSTEM 2L0_3000002004 96ba 002.004 04/06/2010 FS-1370DN
ENGINE 2L0_1000002003 1ded 002.003 22/06/2010 FS-1370DN
Classification Entire stock rework In-field modification at next visit In-field modification by case No modification necessary
Field measure When the above mentioned phenomenon occurs, please upgrade the firmware to the latest
version.
Serial numbers of affected machines
Type Serial number
FS-1120D Q5Y0824565
FS-1320D Q630824418
FS-1370DN Q660705917
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 A244-A286-A287 / SB 2LY-001