Service Ram Addresses - Ricoh A250 Service Manual

SERVICE RAM ADDRESSES

4.5 SERVICE RAM ADDRESSES
CAUTION
Do not change the settings which are marked as "Not used" or "Read only."
680001 to 680004(H) - ROM version (Read only)
680001(H) - Revision number (BCD)
680002(H) - Year (BCD)
680003(H) - Month (BCD)
680004(H) - Day (BCD)
680006 to 680015(H) - Machine's serial number (16 digits - ASCII)
680018(H) - Total program checksum (low)
680019(H) - Total program checksum (high)
680020 to 68003F(H) - System bit switches
680040 to 68004F(H) - Scanner bit switches
680050 to 68005F(H) - Printer bit switches
680060 to 68007F(H) - Communication bit switches
680080 to 68008F(H) - G3 bit switches
6800C0(H) - User parameter switch 00 (SWUER_00)
Bit 0: Stamp home position
Bits 1 to 3: Scanning contrast home position
Bit 3 2 1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
Bits 4 and 5: Scanning resolution home position
(This switch is not printed on the user parameter list.)
Bit 5 4 Setting
0 0 Standard
0 1 Detail
1 0 Superfine
1 1 Superfine
Bit 6: Transmission mode home position
(This switch is not printed on the user parameter list.)
0: Memory tx, 1: Immediate tx
Bit 7: Not used
A250
0: Disabled, 1: Enabled
Setting
Automatic
Position 1 (Lightest)
Position 2
Position 3
Position 4 (Medium)
Position 5
Position 6
Position 7 (Darkest)
4-68 SM