Ricoh Aficio MP C2550 Service Manual

NCU Parameters
SM 119 D432/D433
D432/D433
Fax Option
Type
C2550/C2530
Address Function
0 0 0 1 2.75 V
0 0 1 0 5.5 V
1 0 0 0 22 V
1 1 1 1 41.25 V
NOTES
1. If a setting is not required, store FF in the address.
2. Italy and Belgium only
RAM address 68055E: the lower four bits have the following meaning.
Bit 2 - 1: International dial tone cadence detection enabled (Belgium)
Bit 1 - Not used
Bit 0 - 1: PSTN dial tone cadence detection enabled (Italy)
If bit 0 or bit 2 is set to 1, the functions of the following RAM addresses are changed.
680508 (if bit 0 = 1) or 680538 (if bit 2 = 1): tolerance for on or off state
duration (%), and number of cycles required for detection, coded as in address
680533.
68050B (if bit 0 = 1) or 68053B (if bit 2 = 1): on time, hex code (unit = 20 ms)
68050C (if bit 0 = 1) or 68053C (if bit 2 = 1): off time, hex code (unit = 20 ms)
3. Pulse dial parameters (addresses 68054A to 68054F) are the values for 10 pps. If 20
pps is used, the machine automatically compensates.
4. The first ring may not be detected until 1 to 2.5 wavelengths after the time specified by
this parameter.
5. The calculated level must be between 0 and 10.
The attenuation levels calculated from RAM data are:
High frequency tone:
 – 0.5 x N
680552
/
680554
–3.5 dBm
 – 0.5 x N
680555
dBm
Low frequency tone:
 – 0.5 x (N
680552
/
680554
+ N
680553
) –3.5 dBm
 – 0.5 x (N
680555
+ N
680553
) dBm
 N
680552
, for example, means the value stored in address 680552(H)

Ricoh Aficio MP C2550 Specifications

General

Print Technology	Laser
Functions	Print, Copy, Scan, Fax
Print Speed (Color)	25 ppm
Print Speed (Monochrome)	25 ppm
Print Resolution	600 x 600 dpi
Maximum Print Resolution	2400 x 600 dpi
Duplex Printing	Yes
Copy Speed (Color)	25 cpm
Copy Speed (Monochrome)	25 cpm
Copy Resolution	600 x 600 dpi
Memory (Maximum)	1 GB
Hard Disk Drive (Optional)	80 GB
Interface	USB 2.0, Ethernet 10/100Base-TX
Fax Transmission Speed	33.6 Kbps
Maximum Paper Size	A3
Scan Resolution	600 dpi
Zoom Range	25% - 400%
Paper Size	A4, A5, B5
Paper Weight	52 - 256 g/m²
PDL	PCL 6, PostScript 3
Network Connectivity	Ethernet
Operating System Compatibility	Windows, Mac OS