B-300/B-500DN
User’s Guide
Troubleshooting
143
Other Problem
Print head cleaning does not start
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Make sure that no lights are indicating errors. If any error occurs, recover from the error status.
&
See “Error indicators” on page 121.
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Make sure that sufficient ink remains for printing. If the ink cartridge is expended, replace the
cartridge.
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See “Replacing an ink cartridge” on page 98.
The color ink is consumed even when printing in black ink only
Not only the black ink but also the color ink are consumed during the following operations: print
head cleaning and self-cleaning.
Feel a slight electric shock when you touch the printer (short-circuit)
If you use the outlet on the same circuit as other peripheral devices, you may feel a slight electric
shock when you touch the printer. In this case, it is recommended to ground from the computer
that the printer connects to.