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Date: Mar. 2, 1993
COPIER : SF-2022
No. : SP-1558
[Service Information]
INFORMING MAIN PROGRAM ROM UPDATE EVENTS
1.Model name: SF-2022/2027
2.General: Th e ma i n p r o gr a m RO M ha s been updated since the launch of the volum e
production. For we inform you the history of the ROM upgrade events up to the
version 5.00 in this Service Information, it must be ordered under the parts
code of VHI27C01007FC (version 5.00).
3.Description:
ROM
version
First lot to mid-August
1992
Ver. 3.02
Mid-August 1992 to
mid-August 1992.
Ver. 3.03
Updated period Description of change Note
• Eliminated the bug that the resist of ADU is overwritten by
the resist of the cassette, when the test command is
canceled using the CA key when the resist of the cassette is
display while conducting the test command 51-02 (resist
adjustment).
• Initial setting for the resist in the manual feed mode is
changed from 36 to 40.
• Eliminated the bug that a paper misfeed is caused when a
paper empty occurred when a pause is reserved.
• Eliminated the bug that the last page is counted double,
when a paper is fed from the manual bypass or from the
special size cassette with the sorter in use.
• Eliminated the bug that the machine stops when the
cassette is changed for the last single/multiple paper.
• Eliminated the bug that the top of an image shrinks when
an A3 paper is fed from the bottom cassette.
• Eliminated the bug that the level of original sensor is
obstructed to change using the keypad, when conducting
the test command 41-03 (original sensor light receive level,
programmed setup level).
• Standard factory
setting
• With SF-S14,
SF-S15, or
SF-S52
• When the main
bottom cassette
is A3.
• When checking
the light receive
level of the
original sensor,
and programmed
setup level.
SHARP CORPORATION Reprography Division
1/3
Green
C