Gestetner A193 Service Manual page 512

ROM HISTORY
A224 ROM MODIFICATION HISTORY
DESCRIPTION OF MODIFICATION
- Dirty background Problem
Vt correction
Mixing time
- (New SP mode)
•SP2-994: Vcont offset
•SP9-999 -14: Additional Mixing time
display
After initializing the developer, the transfer
current is added til making a copy, turning
off and on the manin switch, or oping the
front cover.
-The table for VT correction & Mixing time
have been changed.
Remaining
Mixing Time
100
200
400
450
Pre. Vt-Latest VT
~0.1
~0.2
~0.3
~0.4
-SC544 is sometime displayed when the
machine shift to the night mode or the
pre-heat mode.
-When paper longer than A4 is fed at the
toner near end condition, there is not
enough of toner supplied.
A224
VT Correction
0
0.1
0.4
0.6
Mixing Time
10
30
50
300
Continued...
13-78
(Copier Section)
FIRMWARE SERIAL
LEVEL NUMBER
A2245532K October '97
A2245532L November '97
A2245532M February '98
A2245532N September '98
Rev. 04/2000
FIRMWARE
VERSION
1.30
1.32
1.33
1.34
SM