Ricoh B022, Service Manual

Page: 766 / 878

FIRMWARE MODIFICATION HISTORY
Rev. 10/2002
1.1.2 FIRMWARE MODIFICATION HISTORY (SBCU) 1.1.2 FIRMWARE MODIFICATION HISTORY (SBCU)
B022/B027 FIRMWARE MODIFICATION HISTORY (SBCU) B022/B027 FIRMWARE MODIFICATION HISTORY (SBCU)
DESCRIPTION OF MODIFICATION
FIRMWARE
LEVEL
SERIAL
NUMBER
FIRMWARE
VERSION
First Mass Production
B0275550 F 1st Mass
Production
3.12.1
The SC level of SC792 has been changed from
B to C.
Often SC198 occurs after recovering from a jam
condition.
B0275550 F Oct. 2001
Production
3.15.1
The machine enters the auto off mode while the
message “Replace the PCU is displayed. The
machine returns to stand-by mode after
replacing the PCU. However, the message does
not clear.
SP6-101 does not work.
B0275550 G Nov. 2001
Production
3.15.3
The Main Motor is rotated in reverse for 0.15sec
after it has not been used for 230 minutes, to
ensure that the fusing pressure roller does not
deform following a long period of non-use.
Default value for SP2-998-1 has been changed
from 20
# 10, to prevent noise that is
sometimes generated form the cleaning blade
when the drum stops.
SP1-103-2 Off + Temp has been newly added
to prevent SC542 from occurring at machine
power-on under low-temperature conditions.
Note: For this fix, it is necessary to use
Controller firmware ver5.15.1 or newer.
The fax stamp position could not be adjusted
with SP6-010.
B0275550 H Feb. 2002
Production
3.23
Software changed so that SC990 will be
generated (logged only) along with fusing-
related errors SC541-548. The SC990 data will
therefore appear on the SMC printout for each
541-548 error.
The DIP SW settings for the China version has
been changed as follows:
SW1 and 2 ON
# SW1 and 3 ON
B0275550 J Apr. 2002
production
3.27
The A/D conversion table for the thermistor has
been modified to prevent SC541 misdetections. B0275550 K
June 2002
Production
3.28
Firmw
ar
Histo
ry
SM 19-3 B022/B027
e
/B027