Canon BJC6500 - BJC 6500 Color Inkjet Printer, Service Manual, Page: 70 / 115

1.3 Troubleshooting by Errors
<Cause>
ROM cannot be read during initialization.
<Suspected parts>
Control ROM
<Measure>
Replace the ROM or control board.
<Cause>
RAM cannot be read or written.
<Suspected parts>
DRAM, printer controller
<Measure>
Replace the control board.
<Cause>
EEPROM cannot be written.
<Suspected parts>
EEPROM, printer controller
<Measure>
Replace the control board.
Error indications may fail if the ROM or RAM error occurs.
<Cause>
The thermistor is defective.
<Suspected parts>
Thermistor (TH1)
<Measure>
Replace the control board.
<Cause>
The calculated amount of waste ink absorbed is 100%
or 95% of the capacity of the waste ink absorber.
<Suspected parts>
Waste ink absorber, control board
<Measure>
1. Reset the EEPROM/replace the waste ink
absorber.
2. Replace the control board.
Part 4: TROUBLESHOOTING BJC-6500
4-6
4. Printer
Temperature
Sensor Error
5. Waste Ink Full
Error/Waste
Ink Warning
1. ROM Error
2. RAM Error
3. EEPROM
Error
CAUTION