Canon MG5100 series On-Screen Manual page 824

An unsupported USB hub is connected.
Remove the hub.
B200
Printer error has occurred.
Unplug the power cord and contact the service
center.
****
Printer error has occurred.
Turn off power then back on again.
If problem persists, see the manual.
Scanner is not operating correctly.
The card is currently writable from PC.
Set to [Not writable from PC].
Power was not turned off correctly the last time.
alignment sheet are not dirty.
Make sure the type and size of loaded paper is
suitable for Automatic Print Head Alignment.
For Automatic Print Head Alignment, always
load one sheet of A4 or letter-sized plain
paper.
Make sure if Print Head nozzles are clogged.
Print the nozzle check pattern to check the
status of the Print Head.
Routine Maintenance
If the error is not resolved, connect the machine to
the computer and align the Print Head on the
printer driver.
Aligning the Print Head Position
If a PictBridge compliant device is connected via a
USB hub, remove the hub and connect it directly to
the machine.
Turn off the machine, and unplug the power cord
of the machine from the power supply.
Contact the service center.
"****" is displayed in the alphanumeric character
and depends on the error occurred.
5100/5110 is displayed:
Cancel printing, and turn off the machine. Then
clear the jammed paper or protective material
that is preventing the Print Head Holder from
moving, and turn on the machine again.
Important
Be careful not to touch the components
inside the machine. The machine may
not print out properly if you touch it.
If the problem is not resolved, contact the
service center.
6000 is displayed:
If any object is placed in front of the machine,
remove it.
Open the Paper Output Tray gently, then turn
the power off and back on.
In other cases:
Turn off the machine, and unplug the power
cord of the machine from the power supply.
Plug the machine back in and turn the
machine back on.
If the problem is not resolved, contact the
service center.
Turn off the machine, and unplug the power cord
of the machine from the power supply.
After a while, plug the power cord of the machine
back in, and then turn on the machine. If the same
error occurs, contact the service center.
The Card Slot is set to Writable from PC.
You cannot print from the memory card or save the
scanned data to the memory card when the Card
Slot is set to Writable from PC. After writing on the
memory card, select Not writable from PC in Read
/write attribute in Device user settings.
The power cord may have been unplugged last