Ricoh Aficio 240W Service Manual page 17

TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL CONDITIONS .................................................................4-1
4.1.1 SUMMARY .......................................................................................4-1
4.2 SC CODE DESCRIPTIONS ......................................................................4-2
4.2.1 SC1XXX ...........................................................................................4-2
4.2.2 SC2XXX ...........................................................................................4-2
4.2.3 SC3XXX ...........................................................................................4-2
4.2.4 SC4XXX ...........................................................................................4-5
4.2.5 SC5XXX ...........................................................................................4-6
4.2.6 SC6XXX .........................................................................................4-11
4.2.7 SC7XXX .........................................................................................4-13
4.2.8 SC8XXX .........................................................................................4-13
4.2.9 SC9XXX .........................................................................................4-13
4.3 JAM CODE TABLES ...............................................................................4-15
4.3.1 COPIER JAM TABLES ...................................................................4-15
4.3.2 SCANNER JAM TABLES ...............................................................4-17
Scanner Ready Check Jams ..............................................................4-17
4.4 COVER OPEN.........................................................................................4-19
4.5 BLOWN FUSE TABLE ............................................................................4-19
4.6 IMAGE DATA PROCESSING FLOW CHART .........................................4-20
4.6.1 DATA FLOW IN 1-TO-1 COPY MODE ...........................................4-20
4.6.2 DATA FLOW IN REPEAT COPY MODE ........................................4-20
4.6.3 DATA FLOW IN SCANNING MODE...............................................4-21
4.6.4 DATA FLOW IN PRINTING MODE (STANDARD SIZES) ..............4-21
4.6.5 DATA FLOW IN PRINTING MODE (LONG)...................................4-22
4.6.6 DATA FLOW IN TEST PATTERN PRINTING ................................4-22
4.6.7 IMAGE PROBLEM TROUBLESHOOTING.....................................4-23
4.6.8 FLOW CHART ................................................................................4-23
4.6.9 SCANNING.....................................................................................4-24
4.6.10 PRINTING ....................................................................................4-26
4.6.11 BOARD LEDS ..............................................................................4-27
IPU LEDs ............................................................................................4-28
MCU LEDs..........................................................................................4-29
VDB LEDs...........................................................................................4-29
SIB LEDs ............................................................................................4-29
PSU LEDs...........................................................................................4-30
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1 USING THE SP MODE .............................................................................5-1
5.1.1 DIRECT ENTRY ...............................................................................5-1
Normal Direct Entry...............................................................................5-1
Rapid Direct Entry.................................................................................5-2
5.2 SOFTWARE UPGRADE ...........................................................................5-3
5.2.1 UPGRADING FIRMWARE ...............................................................5-3
SM v B125