Canon iPF750 series Service Manual page 92

Chapter 2
Details of the cleaning function are shown in the table below.
Name of Service mode
Cleaning mode or PRINT INF
(Name of Main Menu)
Cleaning 1 CLN-A-1/CLN-M-1
(Head Cleaning A)
Cleaning 2 CLN-A-2
Cleaning 3 CLN-A-3
Cleaning 4 CLN-M-4
(Replace P.head)
Cleaning 5 CLN-M-5
(Move Printer)
Cleaning 6 CLN-A-6/CLN-M-6
(Head Cleaning B)
Cleaning 7 CLN-A-7
Cleaning 10 CLN-A-10
(Move Printer)
Cleaning 11 CLN-A-11
Cleaning 15 CLN-A-15
Cleaning 16 CLN-A-16
Cleaning 17 CLN-A-17
2-26
T-2-4
Operation
Normal cleaning
Ink level adjustment and cleaning
Initial filling ink
Ink drainage for head replacement
Ink drainage for secondary transport
Normal (strong) cleaning
Aging
Ink filling after secondary transport
Ink filling after head replacement
Dot count suction
Precipitated ink agitation
Cleaning (weak)
Description of cleaning
Removes dried ink from nozzles, thick ink accumulated on the
face, and paper particles.
Adjust the ink level in the head by suction, and then performs
normal cleaning.
Fills the empty tube (during initial installation) with ink, and
then performs normal cleaning.
Drains ink to replace the head (drains only the ink in the head).
Drains ink from the head and tube for secondary transport.
Performs suction stronger than when adjusting the ink filling
amount in the head or normal cleaning to unclog nozzles.
Performs idle ejection after replacement of the head.
Fills the empty tube (during installation after secondary
transport) with ink, and performs normal cleaning.
Performs normal cleaning after head replacement and ink
filling.
Performs suction to remove ink adhered to dried nozzles and
thick ink accumulated on the face when the dot count reaches
the prescribed value.
Performs the agitation (ink supply valve open/close) operation
to prevent the ink ingredient from precipitating.
Performs cleaning weaker than normal cleaning to unclog
nozzles.