Ricoh Aficio MP C2550 Service Manual

SC Tables
SM Appendix 4-31 D037/D038/D040/D041
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
1. Replace the heating roller fusing lamp.
2. Replace the PSU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Zero cross frequency error
When the zero cross signal is 66 or more and it is detected 10 times or
more in 11 detections, the machine determines that input 60 Hz and
SC557 occurs.
 Noise (High frequency)
557 C
Check the power supply source.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Consecutive fusing jam
The paper jam counter for the fusing unit reaches 3 times. The paper
jam counter is cleared if the paper is fed correctly.
This SC is activated only when SP1159-001 is set to "1" (default "0").
 Paper jam in the fusing unit.
559 A
Remove the paper that is jammed in the fusing unit. Then make sure
that the fusing unit is clean and has no obstacles in the paper feed path.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Pressure roller thermister error 3
The temperature measured by the pressure roller thermistor (center)
does not reach 0 °C for 45 seconds.
561 A
 Loose connection of pressure roller thermistor
 Defective pressure roller thermistor

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