Ricon B156, Service Manual

Page: 17 / 781

SM v B156/B220
4.1.2 SC TABLE ........................................................................................4-2
4.2 SELF-DIAGNOSTIC MODE ....................................................................4-20
4.2.1 OVERVIEW ....................................................................................4-20
4.2.2 DETAILED SELF-DIAGNOSTICS ..................................................4-21
4.3 IMAGE TEST MODE ...............................................................................4-22
4.3.1 OVERVIEW ....................................................................................4-22
4.3.2 VPU TEST ......................................................................................4-22
SP4-907-1: VPU Test Pattern: R ........................................................4-22
SP4-907-2: VPU Test Pattern: G ........................................................4-22
SP4-907-3: VPU Test Pattern: B ........................................................4-22
4.3.3 IPU TEST .......................................................................................4-22
4.3.4 GAVD TEST ...................................................................................4-22
4.4 ELECTRICAL COMPONENT DEFECTS ................................................4-23
4.4.1 SENSORS ......................................................................................4-23
4.4.2 SWITCHES.....................................................................................4-25
4.4.3 BLOWN FUSE CONDITIONS ........................................................4-25
4.5 CHECK POINTS FOR IMAGE PROBLEMS AT REGULAR INTERVALS ..4-26
4.6 SKEWED, TRAPEZOID, AND PARALLELOGRAM IMAGES..................4-27
4.6.1 SKEWED IMAGES .........................................................................4-27
4.6.2 TRAPEZOID IMAGES ....................................................................4-27
4.6.3 PARALLELOGRAM IMAGES .........................................................4-28
4.6.4 CHECKING THE IMAGE WITH THE TRIMMING PATTERN .........4-29
4.6.5 CORRECTING THE IMAGES ........................................................4-30
Flowchart ............................................................................................4-30
Action..................................................................................................4-31
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1 SERVICE PROGRAM MODE....................................................................5-1
5.1.1 SERVICE PROGRAM MODE OPERATION.....................................5-1
Starting the SP mode............................................................................5-1
Quitting the SP mode............................................................................5-1
SP Mode Touch Screen........................................................................5-2
Copy Window for Test Printing .............................................................5-3
Working on SP Mode Menus ................................................................5-3
Service Mode Lock/Unlock ...................................................................5-4
5.1.2 SP MODE TABLE.............................................................................5-5
SP1-XXX: (Feed) ..................................................................................5-5
SP2-XXX: (Drum)..................................................................................5-9
SP3-XXX: (Process) ...........................................................................5-17
SP4-XXX: (Scanner) ...........................................................................5-20
SP5-XXX: (Mode) ...............................................................................5-28
SP6-XXX: (Peripherals) ......................................................................5-53
SP7-XXX: (Data Log)..........................................................................5-56
SP8-XXX: (Data Log2)........................................................................5-66
5.1.3 TEST PATTERN PRINTING (SP5-955-1) ....................................5-100
5.1.4 INPUT CHECK .............................................................................5-101