Service Ram Addresses - Ricoh FAX4700L Service Manual

December 21st, 1995

4.5. SERVICE RAM ADDRESSES

CAUTION
Do not change the settings which are marked as "Not used" or "Read
only."
004003 to 00400B(H) - ROM part number and suffix (ASCII)
Example: The part number is H5157210A
004003(H) - 48(H)
004004(H) - 35(H)
004005(H) - 31(H)
004006(H) - 35(H)
004007(H) - 37(H)
004008(H) - 32(H)
004009(H) - 31(H)
00400A(H) - 30(H)
00400B(H) - 41(H)
344F28 to 346B47(H) - Dedicated tx parameters for Speed Dial #100 - #999, when a Func-
tion Upgrade Card is used.
As explained in section 4.4, each set of dedicated tx parameters consists of 8 bytes.
344F28 to 344F2F(H) - Dedicated tx parameters for Speed #100
344F30 to 344F37(H) - Dedicated tx parameters for Speed #101
344F38 to 344F3F(H) - Dedicated tx parameters for Speed #102
ò
346B40 to 346B47(H) - Dedicated tx parameters for Speed #999
480000(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 Pa-
rameter List) and RAM settings (RAM dump list) for scanner/printer registration settings.
Note: Initial toner supply will be carried out automatically after the reset. This should take
about 90 s.
480001 to 480004(H) - ROM version (Read only)
480001(H) - Revision number (BCD)
480002(H) - Year (BCD)
480003(H) - Month (BCD)
480004(H) - Day (BCD)
480006 to 480015(H) - Machine's serial number (16 digits - ASCII)
480018(H) - Total program checksum (low)
480019(H) - Total program checksum (high)
48001A(H) - Boot program checksum (low)
48001B(H) - Boot program checksum (high)
48001C(H) - Main program checksum (low)
48001D(H) - Main program checksum (high)
48001E(H) - RDS program update counter
SERVICE TABLES AND PROCEDURES
SERVICE RAM ADDRESSES
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