Ricoh G157 Service Manual page 18

4.9 ELECTRICAL COMPONENT DEFECTS ................................................4-50
4.9.1 SENSORS ......................................................................................4-50
Reflective Photo Sensors....................................................................4-50
Photo Sensors ....................................................................................4-50
4.9.2 BLOWN FUSE CONDITION...........................................................4-51
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1 SERVICE MODE MENU ...........................................................................5-1
5.1.1 OPERATING SERVICE MODE ........................................................5-1
Activating the Service Menu .................................................................5-1
Selecting a Service Program ................................................................5-2
Specifying a Setting ..............................................................................5-2
Exiting the Service Menu ......................................................................5-2
5.1.2 SERVICE MODE FUNCTIONS ........................................................5-3
Code 31: GRID PRINT..........................................................................5-4
Code 32: NEXT CARE INFORMATION................................................5-5
Code 33: CASSETTE TYPE .................................................................5-6
Code 34: TOTAL PAGE........................................................................5-6
Code 35 EACH IMAGE.........................................................................5-7
Code 36 CLEAR CARE ........................................................................5-8
Code 37 MEDIA MANAGE ...................................................................5-9
Code 38 EXTEND MEDIA ....................................................................5-9
Code 39 FACTORY MODE ................................................................5-10
Code 43 MARGIN ADJUST ................................................................5-10
Code 44 LIFE PERIOD SET ...............................................................5-11
Code 45 NVRAM TUNE UP................................................................5-12
Code 45-1 LP TUNE UP .....................................................................5-12
Code 45-2 THV TUNE UP ..................................................................5-13
Code 45-3 DBV TUNE UP ..................................................................5-14
Code 45-4 CBV TUNE UP ..................................................................5-15
Code 45-5 FBV TUNE UP ..................................................................5-16
Code 46 NVRAM INITIAL ...................................................................5-17
Code 47 TOTAL PAGE SET...............................................................5-18
Code 48 EACH IMAGE SET...............................................................5-18
Code 49 NEXT LIFE SET ...................................................................5-19
5.2 MAINTENANCE MODE...........................................................................5-20
5.2.1 OPERATING MAINTENANCE MODE............................................5-20
Activating Service Mode .....................................................................5-20
Selecting a Service Program ..............................................................5-20
Exiting Function Mode ........................................................................5-20
Exiting Service Mode ..........................................................................5-20
5.2.2 MAINTENANCE MODE FUNCTIONS ............................................5-21
5.2.3 DETAILED DESCRIPTIONS OF MAINTENANCE
MODE
EEPROM Parameter Initialization (Function mode 01 or 91)..............5-22
Printout of Scanning Compensation Data (Function mode 05) ...........5-23
G157
FUNCTIONS ....................................................................5-22
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