HOW TO OPEN SERVICE MODE IN RICOH SP 100 PRINTER

SOURCE: Service Call SC 553 on Ricoh Aficio SP C811DN Printer.

No.
Type
Details (Symptom, Possible Cause, Troubleshooting Procedures)
553
A
Heating roller overheat (software error)
The detected heating roller temperature stays at 230°C or more for 1 second.
• Defective PSU
• Defective lOB
• Defective EGB
Related SC code: SC 543
1. Replace the PSU.
2. Replace the lOB.
3. Replace the EGB.
This is the simptoms of the service manual , you should check that your power output is stable and double check if there is not anything like paper stuck some were in the fuzing unit wich could also cause the fuzer to over heat

SOURCE: Ricoh SP C410DN error code SC306

Reaseat the cyan photo conductor

SOURCE: Ricoh service mode to reset

This is the solution from Ricoh website:

Please press Menu. Then scroll to Maintenance and press Enter. Scroll to Color Regist and press Enter. Scroll to Color Regist Auto Adjust and then press Enter to Auto adjust. If after completing the procedure the error persists, please contact your service representative for support.

I'm told this works as well...
On the main board put dip switch 101-1 on and then off and then enter 97 and press the aps key. Then power cycle the printer.

SOURCE: My ricoh sp c811dn suddenly started displaying the

552...... A Heating roller warm-up error 2
?? The heating roller temperature does not reach the ready
temperature for 90 seconds after the heating lamp on.
?? The heating roller temperature does not reach 80°C for 13 seconds
after the IH inverter on.
?? Defective thermistor
?? Defective IH inverter
Related SC code: SC 542
1. Check if the heating roller thermistor.

............................................................................
This code is there to prtect against high temp in the fuser that could cause a fire...best to have a tech look at it

SOURCE: Service Call SC 553 on Ricoh Aficio SP C811DN

553 is:
Heating roller overheat (software error)
The detected heating roller temperature stays at 230°C or more for 1
second.
�� Defective PSU
�� Defective IOB
�� Defective EGB

These codes related to the fuser a designed to prevent a fire
I would recommend haveing a tech look at it