Service Manual

ERROR CODE LIST
4-74
IV DIAGRAMS
3
4.3 L Detection Error Code List
4.4 Network Section Status Indication
For the SCB (System control board), there are two orange and green status indicator LED’s. The table
below shows the status indicated by these two LED’s.
86-2, 86-3 FAX board error FAX Copying and printing remain
enabled.
86-6 FAX file initialization
abnormality
HDD Copying, printing (except a per-
sonal letter) remain enabled.
86-7, 86-8 FL-102/FL-103 board
error
FL-102/FL-103 Copy, FAX (1 line) and printer
can be used.
87-2, 87-3 Printer board abnormali-
ties
Printer Copying and faxing remain
enabled.
Code Cause Clearance method Suspected defective part
0003 The TDS (Toner density sensor) output
ripple at the end of L detection was 0.5V
or less.
SW2 (Sub power
switch)
OFF/ON
• Developing unit con-
nector
•TDS
• CB (Main body con-
trol board)
0004 The TDS output ripple while the devel-
oper is being agitated during L detection
adjustment was 0.02V or less (there is
almost no change in output).
SW2
OFF/ON
• M1 (Main motor)
• Developing agitator
screw
• Developing unit con-
nector
•TDS
•CB
0005 TDS control voltage cannot be adjusted
to within the range 5.76~7.46V.
SW2
OFF/ON2
• Developer
•TDS
•CB
0006 TCSB (Toner control sensor board) out-
put signal D/A conversion error
SW2
OFF/ON
•CB
•TSCB
ON/OFF of LED Status of network section
Green LED flashin Data being sent and received
Orange LED on Network speed at 100 Mb/s
Orange LED off Network speed at 10 Mb/s
Error code Error Unit to be cut off Remarks