Service Ram Addresses - Ricoh FAX2900L Service Manual

21 May, 1999

4.5 SERVICE RAM ADDRESSES

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CAUTION
Do not change settings marked as "Not used" or "Read only."
800001 to 800004(H) - ROM version (Read only)
800001(H) - Revision number (BCD)
800002(H) - Year (BCD)
800003(H) - Month (BCD)
800004(H) - Day (BCD)
800005(H) - RAM Reset Level 1
Change the data at this address to FF (H), then switch the machine off and on to
reset all the system settings.
Caution: Before using this RAM, print the settings of all the system parameters
(System Parameter List).
NOTE: The country code will be reset to UK when RAM reset level 1 is done.
800006 to 800016(H) - Machine's serial number (17 digits - ASCII)
800018(H) - Total program checksum (low)
800019(H) - Total program checksum (high)
80001A(H) - Boot program checksum (low)
80001B(H) - Boot program checksum (high)
80001C(H) - Main program checksum (low)
80001D(H) - Main program checksum (high)
80001E(H) - RDS program update counter (hex)
800020 to 80003F(H) - System bit switches
800040 to 80004F(H) - Scanner bit switches
800050 to 80005F(H) - Printer bit switches
800060 to 80007F(H) - Communication bit switches
800080 to 80008F(H) - G3 bit switches
8000A0(H) - User parameter switch 00
Bit 0: Stamp home position
Bit 1 to 3: Not used
Bits 4 and 5: Scanning resolution home position
Bit 5 4
0 0
0 1
1 0
1 1
Bit 6: Transmission mode home position
Bit 7: Not used
8000A1(H) - User parameter switch 01
Bits 0 to 6: Not used
Bit 7: Settings return to home position after transmission 0: Disabled, 1: Enabled
Setting
Standard
Detail
Fine
Halftone
4-55
SERVICE RAM ADDRESSES
0: Disabled, 1: Enabled
0: Memory TX, 1: Immediate TX