F010-System Dimm [Board] Error; F020-Main Or Expanded Memory Error; F030-Main Board System Error; F040-Communication Error - Kyocera Mita FS-6750 Service Manual

F010—System DIMM [board] error
Table 6. 18 F10 error
Meaning
Checksum failed with sys-
tem DIMM [board KP-893] on
the main board.
F020—Main or expanded memory error
Table 6. 19 F20 error
Meaning
The main memory (SDRAM)
or the expanded memory
(DIMM) on the main board
cannot be accessed normally.
F030—Main board system error
Table 6. 20 F030 error
Meaning
Errors concerning the main
board except F0 (F000), F010,
and F020
F040—Communication error
Table 6. 21 F040 error
Meaning
Communication between the
engine board and the main
board is failed.
F070—Flash ROM write error
Table 6. 22 F070 error
Meaning
CPU U201 of engine board
could not write data failed to
flash ROM U202. Write
sequence to flash ROM is not
successful. (Written data
does not match the original
data.)
Suggested causes
• Defective system DIMM
[board KP-893].
• Defective main board (KP-
903).
Suggested causes
• Defective main board (KP-
903).
• Defective expanded mem-
ory (DIMM) on the main
board (KP-903).
Suggested causes
• Defective main board (KP-
903).
Suggested causes
• Defective engine board
(KP-904).
• Defective main board (KP-
903).
• Defective connect board
(KP-910).
Suggested causes
• Defective engine board
(KP-904).
6-16
Troubleshooting
Diagnostic
Corrective action
Replace the system DIMM
[board KP-893].
Replace the main board (KP-
903).
Corrective action
Replace the main board (KP-
903).
Replace the expanded mem-
ory (DIMM).
Corrective action
Replace the main board (KP-
903).
Corrective action
Replace the engine board
(KP-904).
Replace the main board (KP-
903).
Replace the connect board
(KP-910).
Corrective action
Replace the engine board
(KP-904).
FS-6750