Canon LBP3460 User Manual page 241

<9F CHECK TONER>
Cause
Remedy 1 Check if there is any problem with the toner cartridge.
Remedy 2 If <9F CHECK TONER> appears and there is a problem with the print quality
<A4 nn ERROR> ("nn" represents two-digit alphanumeric characters)
Cause
Remedy
<A5 nn ERROR> ("nn" represents two-digit alphanumeric characters)
Cause
Remedy
7
<A7 nn ERROR> ("nn" represents two-digit alphanumeric characters)
Cause
Remedy
<D7 nn ERROR> ("nn" represents two-digit alphanumeric characters)
Cause
Remedy
7-30 Message List
There is a possibility that a toner cartridge whose life has once reached the end
is installed.
even after applying the Remedy 1, remove the toner cartridge and replace it
with a new one. (See "Replacing the Toner Cartridge," on p. 6-2)
A problem has occurred and the printer does not operate properly.
Cycle the power of the printer. If the message appears even after cycling the
power of the printer, note down the message in the display, and contact your
local authorized Canon dealer.
A problem has occurred and the printer does not operate properly.
Cycle the power of the printer. If the message appears even after cycling the
power of the printer, note down the message in the display, and contact your
local authorized Canon dealer.
A problem has occurred and the printer does not operate properly.
Cycle the power of the printer. If the message appears even after cycling the
power of the printer, note down the message in the display, and contact your
local authorized Canon dealer.
A problem has occurred and the printer does not operate properly.
Cycle the power of the printer. If the message appears even after cycling the
power of the printer, note down the message in the display, and contact your
local authorized Canon dealer.
(Warning Message)