Ricoh B286 Service Manual page 20

3.11.4 LPH DENSITY ADJUSTMENT WITH SP CODES .................... 3-85
To Print the IPU Test Pattern 2 .......................................................... 3-85
To Correct Pattern Density ................................................................. 3-86
TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL CONDITIONS .................................................................. 4-1
4.2 SC CODE DESCRIPTIONS....................................................................... 4-3
4.2.1 SC1XXX............................................................................................ 4-3
4.2.2 SC2XXX............................................................................................ 4-3
4.2.3 SC3XXX............................................................................................ 4-4
4.2.4 SC4XXX............................................................................................ 4-5
4.2.5 SC5XXX............................................................................................ 4-6
4.2.6 SC6XXX.......................................................................................... 4-11
4.2.7 SC7XXX.......................................................................................... 4-14
4.2.8 SC8XXX.......................................................................................... 4-16
4.2.9 SC9XXX.......................................................................................... 4-23
4.3 JAM CODE TABLES................................................................................ 4-28
4.3.1 OVERVIEW..................................................................................... 4-28
4.3.2 SCANNER JAMS............................................................................ 4-29
Scanner Standby Jams ...................................................................... 4-29
Scanner Late Jams ............................................................................ 4-31
Scanner Lag Jams ............................................................................. 4-31
4.3.3 PLOTTER (PRINTER) JAMS.......................................................... 4-31
Plotter Standby Jams ......................................................................... 4-31
Plotter Late Jams ............................................................................... 4-32
Plotter Lag Jams ................................................................................ 4-32
4.3.4 FOLDER UNIT JAMS ..................................................................... 4-33
Folder Unit Standby Jams .................................................................. 4-33
Folder Unit Late Jams ........................................................................ 4-34
Folder Unit Lag Jams ......................................................................... 4-35
4.4 COVER OPEN ......................................................................................... 4-36
4.5 FUSES ..................................................................................................... 4-37
4.6 IMAGE PROBLEM TROUBLESHOOTING .............................................. 4-38
B286/B289 viii SM