5. FIRMWARE VERSION UP
110
Field Service Ver.2.0 Mar. 2009
bizhub 501/421/361
5.2.4 Error list
A. Overall control board firmware abnormality
When the main body detects an overall control board firmware abnormality after turning ON the power switch,
the power LED turns ON with nothing displayed on the LCD of the operation panel (ISW stand-by condition). For
details of the power LED display, refer to the table below.
B. Main body error list
When a trouble occurred while conducting the ISW and it was not normally connected, the message on the sta-
tus and the error code will be displayed on the control panel.
When an abnormality occurs while executing or completed the ISW, turning the start key (LED, red) on and the
following message is displayed on the panel.
No. Operation Power LED
1 CPU in initialization when the power is turned on OFF
2 Flash memory in checking OFF
3 When an error is detected while in memory check (ISW
standby status)
ON
4 ISW processing (flash memory being written) • While in the data reception:
It flashes at high speed.
• While in the flash memory write:
It flashes at low speed.
5 When an abnormality is detected while in data transmission Start key LED (orange) turns ON
6 When an error is detected while in writing flash memory Start key LED (orange) turns ON
7 Memory check successfully completed: while in rebooting OFF
Error display Descriptions
Finisher not connected The finisher is in the condition in which no connection is made.
Parameter error A parameter abnormality occurs on the program.
Sequence error An abnormality occurs with the processing sequence on the program.
Memory full error The memory is full.
Device initialization error A USB or parallel device initialization error occurs.
Machine type/board incompatible The data transferred from the PC is not the data for bizhub 501/421/361,
or not for the board selected from the panel.
Time-out error While in the file transfer from the PC, a time-out error occurs.
Checksum error A checksum error occurs with the ROM file.
Flash erasure error An abnormality occurs while in the flash erasure.
Engine power source error Printer control board (PRCB) power source abnormality. Other abnormal-
ities occur with PRCB (when selecting the image controller, finisher or
ADF).
Write error An error occurs with the write answer check (when selecting the fax
board controller 1 or the fax board controller 2).
Task generation error A task generation error occurs.
Other errors Errors other than the above occur, such as an OS error.
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