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SERVICE TABLES AND PROCEDURES
SERVICE RAM ADDRESSES
4.5. SERVICE RAM ADDRESSES
CAUTION
Do not change the settings which are marked as "Not used" or "Read
only."
800000(H) - RAM Reset Level 1
Change the data at this address to 00 (H). Then switch the machine off and on to reset all the
system settings before using this RAM.
Caution: Print the settings of all the system parameters (System Parameter List).
Please set clean sheets of white paper in the cassette when doing this procedure, be-
cause the machine automatically goes on to initialize the ink end sensor.
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)
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 to 3: Not used. Do not adjust.
Bits 4 and 5: Scanning resolution home position
Bit
5
4
0
0
0
1
1
0
Bit 6: Transmission mode home position
Bit 7: Halftone home position
8000A1(H) - User parameter switch 01
Bits 0 to 6: Not used
Bit 7: Settings return to home position after transmission
Setting
Standard
Detail
Fine
0: Memory tx, 1: Immediate tx
0: Disabled, 1: Enabled
4-68
November 28th, 1995
0: Disabled, 1: Enabled
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