Ricoh Aficio MP C3001 Service Manual page 1952

NCU Parameters
Address
68052D Busy tone OFF time: range 2
68052E Busy tone ON time: range 3
68052F Busy tone OFF time: range 3
680530 Busy tone ON time: range 4
680531 Busy tone OFF time: range 4
Busy tone continuous tone
680532
detection time
Busy tone signal state time tolerance for all ranges, and number of cycles
required for detection (a setting of 4 cycles means that ON-OFF-ON or
OFF-ON-OFF must be detected twice).
Tolerance (±)
680533 Bit 1: 0, Bit 0: 0 = 75% Bits 2 and 3 must always be kept at 0.
Bit 1: 0, Bit 0: 0 = 50% Bits 2 and 3 must always be kept at 0.
Bit 1: 0, Bit 0: 0 = 25%
Bit 1: 0, Bit 0: 0 = 12.5%
Bits 7, 6, 5, 4 - number of cycles required for cadence detection
International dial tone frequency
680534
upper limit (high byte)
International dial tone frequency
680535
upper limit (low byte)
International dial tone frequency
680536
lower limit (high byte)
International dial tone frequency
680537
lower limit (low byte)
International dial tone detection
680538
time
International dial tone reset time
680539
(LOW)
68053A International dial tone reset time
D545
Function
148
Unit
20 ms
If both addresses
Hz (BCD) contain FF(H), tone
detection is disabled.
If both addresses
Hz (BCD) contain FF(H), tone
detection is disabled.
If 680538 contains FF,
the machine pauses for
20 ms the pause time (68053D
/ 68053E).
Belgium: See Note 2.
Remarks
SM