| Symptoms |
Cause |
Note |
| Totally dead |
No AC Power |
Check AC inlet, AC adapter, power connectors. |
| Would not power up |
Power switch, logic board. |
|
| Turn on and shutdown right away |
Logic board |
|
| Error light and sound |
Print head failed |
BJC-4000,5000 series most likely is print
head.
BJC-600 series head clog on using third party ink. |
| Does not attempt to feed paper |
Print head failed |
Most likely is print head |
| Attempted to feed paper but retracts |
Paper channel blockage or jam |
Remove obstacle |
| Does not feed envelopes |
Early models: Envelope switch in wrong
position
Recent models: Do not use top feed, use back feed |
|
| Feed multiple sheets |
Early models: Paper select lever in
wrong position |
Paper too static or too moist can have same
trouble |
| Doing job, but no print out |
No ink, print head failed, purge unit failed,
did not remove orange tape on new head |
Stop right away, otherwise print head damage |
| Printing garbage |
Wrong printer emulation, bad logic
board, print cable |
Switch power of printer and computer to
reboot. |
| Error on LPT1 |
Printer not online, no paper, print head error, printer
cable, driver not properly installed, virus, interface board trouble,
logic board |
Get an expert to check your printer driver |
| Printing suspend and resume |
Print head overheat, computer is slow |
Replace print head, check computer |
| White horizontal lines |
Print head clog up |
Perform head cleaning |
| Black horizontal smudge |
Dirty carriage, purge unit |
Cleaning required |
| Black vertical smudge, or soil |
Dirty rollers |
Cleaning required |
| Wrong colour |
Ink leak within print head |
Replace print head |
| Poor print quality |
Print head worn out |
Replace print head |
| vertical lines is slant or divided in
sections |
Wrong print mode, print head off alignment |
Use photo or graphic mode |
