Error Recovery; Eeprom Error - Canon BJC 50 - Color Inkjet Printer Service Manual

BJC-50

5.2.2 Error recovery

a) Error display
1. ROM Error
2. RAM Error

3. EEPROM Error

<Cause>
<Suspected parts>
<Measure>
<Cause>
<Suspected parts>
<Measure>
<Cause>
<Suspected parts>
<Measure>
When a ROM or RAM error occurs, the correct error may not be displayed.
When replacing the control board, check the amount of waste ink
absorbed by the waste ink absorber and reset the EEPROM in the printer
base unit.
See Part 3: 3.6 EEPROM Data Setting (page 3-23) .
During initialization, the content in ROM cannot be
read.
Flash ROM/FONT ROM
Replace control board.
RAM reading and writing cannot be done properly.
DRAM
Replace control board.
EEPROM reading and writing cannot be done
properly.
EEPROM
Replace control board.
5-11
Part 5: Maintenance