Ricoh Aficio 2022, Service Manual

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SERVICE PROGRAM MODE
SM 4-65 B089/B093
Service
Tables
Total Counter Reset 7825
Resets all electronic counters. To reset, press Execute on the touch panel. DFU
7826 MF Error Counter
7826 1 Error Total Japan only DFU
7826 2 Error Staple Japan only DFU
7827 MF Device Error Counter Clear Japan only DFU
Self-Diagnosis Result Display 7832
Execute to open the “Self-Diagnostics Result Display” to view details about
errors. Use the keys in the display on the touch-panel to scroll through all the
information. If no errors have occurred, you will see the “No Error” message on
the screen.
7836 Total Memory Size
Displays the memory capacity of the controller system.
7852 ADF Scan Glass Dust Check Counter
Counts the number of occurrences (0 ~ 65,535) when dust was detected on the
scanning glass of the ADF. Counting is done only if SP4991 1 (ADF Scan Glass
Dust Check) is switched on. Memory All Clear (SP5801) resets this counter to
zeror
7901* Assert Info. DFU
These SP numbers display the results of the occurrence of the most recent
SC code generated by the machine.
7991 1* Source File Name Module name
7991 2* Line Number Number of lines
7991 3* Result Value
PCU Counter Display 7909
Displays the value of the PCU counter (number of copies since the last PCU
change).
Engine Debug Log Switch 7999
DFU