Ricoh G188 Service Manual page 364

Service Call Conditions
No. Type
Printer font error
A necessary font is not found in the SD card.
CTL
921
D
Check that the SD card has the correct data.
No. Type
Software performance error
The software makes an unexpected operation.
CTL
990
D
1.
2.
No. Type
Software continuity error
The software has attempted to perform an unexpected operation.
However, unlike SC 990, the object of the error is continuity of the
CTL
software.
991
C
This SC is not displayed on the LCD (logging only).
G188/G189
Details (Symptom, Possible Cause, Troubleshooting Procedures)
A necessary font is not found in the SD card.
The SD card data is corrupted.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective software
Defective controller
Software error
Turn the main switch off and on.
Reinstall the controller and/or engine main firmware.
See Note 1 at the end of the SC table.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Software program error
Internal parameter incorrect, insufficient working memory.
3-68 SM Appendix