AR-M550/M620/M700 ROM VERSION-UP METHOD 10 - 1
[10] ROM VERSION-UP METHOD
1. General
A. Version-up target ROM's
The version-up target ROM's are listed in the table below.
The version-up procedures of the firmware of this machine is per-
formed without disassembling the ROM from the machine. The new
program files are collectively written into the ROM's. Some new pro-
grams can be written into an optional ROM.
If, however, the above procedure is failed by an accident such as
power interruption during the version-up procedure, use the ROM copy
socket on the MFP control PWB ROM to make version-up of each
ROM individually.
[Kind of ROM]
∗ All the Flash ROM's can be rewritten. (LAN, Centro)
[Block diagram]
B. ROM version-up is required in the following cases:
ROM version-up is required in the following cases:
1) When improvement of performances is required.
2) When installing a new spare part ROM for repair to the machine.
3) When installing a new spare part PWB unit for repair with the ROM installed.
4) When there is a trouble in the ROM program and it must be repaired.
Section Name Type Capacity Replaceable
PCU PWB PCU ROM Flash ROM 8Mbit Replaceable
SCN PWB SCN ROM Flash ROM 8Mbit Replaceable
MFP CONTROL
PWB
BOOT ROM Flash ROM 32Mbit Replaceable
MAIN ROM Flash ROM 32Mbit Replaceable
FAX MODEM
CONTROL PWB
FAX ROM Flash ROM 8Mbit Replaceable
FINISHER
CONTROL PWB
Finisher
Control ROM
EPROM
—
Replaceable
FINISHER SS-
CONTROL PWB
Finisher SS-
Control ROM
EPROM
—
Replaceable
INSERTER
CONTROL PWB
Inserter
Control ROM
EPROM
—
Replaceable
MFP CONTROL PWB
PCU PWB
SCN PWB
INSERTER
LCC
FAX BOX
MODEM
CONTROL PWB
TEL/LIU PWB
FINISHER
Telephone
Line
LAN
CENTRO
USB
PC
RS-232C
Service Socket
Program ROM
(EPROM)
FINISHER
CONTROL PWB
FINISHER SS-
CONTROL PWB
Program ROM
(EPROM)
Program ROM
(EPROM)
Program ROM
(Flash ROM)
Program ROM
(Flash ROM)
Program ROM
(Flash ROM)
Program ROM
(Flash ROM)
Program ROM
(Flash ROM)
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