Gestetner A193 Service Manual page 278

Rev. 04/2000
A193 ROM MODIFICATION HISTORY
DESCRIPTION OF MODIFICATION
-Dirty background problem
-Vt Correction
-Mixing time
-(New SP Modes)
SP 2-994: Vcount offset
SP 9-999-14: Additional Mixing Time
Display
-The table for VT correction & Mixing time
have been changed.
Remaining VT Correction
Mixing Time
100
200
400
450
500
Pre. Vt-Latest VT Mixing Time
~0.1
~0.2
~0.3
~0.4
0.5~
-SC544 is sometime displayed when the
machine shift to the night mode or the
pre-heat mode.
-When the longer paper than A4 is fed at
the toner near end, the toner is not
supplied enough.
-Copy Quality in duplex mode. When the
quality of the rear copy is poor, the added transfer current must be decreased by SP 2-301-3.
The new table shows that transfer current can be set to a lower range.
Current Table (SP2-301-3)
Table No./ 0
Paper width
275 15
250~275 15
200~250 15
~200 15
SM
(Copier Section)
FIRMWARE
LEVEL
A1935532T
A1935532V
0
0.1
0.4
0.6
0.8
10
30
50
300
500
A1935532W
1 2 3
17 19 21
17 19 21
17 19 21
17 19 21
Default
Setting
6-17
ROM HISTORY
SERIAL
NUMBER
October '97
February '98
September '98
New Table (SP2-301-3
Table No./ 0 1
Paper width
275 8 11
250~275 10 12
200~250 12 14
~200 14 15
FIRMWARE
VERSION
1.70
1.72
1.73
)
2 3
14 17
15 17
16 17
16 17
Default
Setting
(A193)