Rom History - Ricoh A193 Service Manual

ROM HISTORY

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5. ROM HISTORY
A193 ROM MODIFICATION HISTORY
DESCRIPTION OF MODIFICATION
- Version A, B & C were for the
pre-production machines.
Corrects the following:
- While feeding out the original from ADF,
"Start key" can be detected, then the
incorrect document size is detected.
- ARDF is supported.
Corrects the following:
- SC921-Memory Access Error
After a paper jam during memory output
and opening the door.
- SC101- occurs at night timer in and out
after the IPU test pattern in SP mode.
- SP5-803: New PCU Detect is added for
Input check.
- Memory copy priority of SP5-945 is
added to Salesman Program Mode.
- SP-mode cannot be cleared at night
timer in and out after going to the
interrupt copy mode from SP mode.
- Finisher is supported.
Corrects the following:
- The Black Spots in the scanned image -
The scanned low contrast image can be
adjusted by 7 "notches." Each notch
has the different gamma correct
characteristic,
MTF filter and threshold level by new
SP mode(SP4-998,999).
- The dirty background on the white image
after the negative and positive reversing.
- SC321 appears when the door is opened
during the memory copying then the start
key is pressed after closing the door.
- The developing bias setting(SP2-201) is
initialized by turning off the main switch.
- Dirty Background.
1) Toner Density (SP2-911) was changed
from 2 to 3 (Lighter).
2) Free run time at the Installation of the
PCU was changed from 1min. to 3min.
(A193)
(Copier Section)
SERIAL
FIRMWARE
NUMBER
LEVEL
A1935532D 1st Mass
Production
A1935532E November '96
A1935532F December '96
A1935532G January '97
A1935532H January '97
6-14
Rev. 04/2000
FIRMWARE
VERSION
1.16
1.23
1.31
1.33
1.35
SM