Basic Operation Outline; Printer Diagram; Print Driving - Canon iPF700 Series Service Manual

2.1 Basic Operation Outline

2.1.1 Printer Diagram

A printer diagram is shown below.

2.1.2 Print Driving

At printing, print signals and control signals are output to the printhead via the carriage relay PCB and Head relay PCB to discharge inks from the nozzle assembly.
The printhead six trains of nozzles arranged in a zigzag pattern.
This printer uses only one printhead.
(Installed from left to right: C, M, Y, MBk, MBk and Bk)
Two kinds of print signals are transferred to each nozzle train according to the data transfer clock and the data pulse timing: even-numbered nozzle data and odd-
numbered nozzle data.
Drive control signals fall into two types: heat enable signals and subheat enable signal. The heat enable signal allows inks to be discharged from the nozzles, whereas
the subheat enable signal heats the head to an optimal temperature to keep the rate of ink discharge constant.
Printhead
J601
J202 J201
Linear encoder
Carriage cover sensor
Upper cover lock
solenoid(R)
Upper cover lock
solenoid(L)
Upper cover switch
Upper cover switch
Carriage motor
Feed roller motor
Operation panel
Power supply
Maintenance cartridge
J2 J1
Maintenance cartridge ROM PCB
Ink tank ROM PCB (L)
Ink tank ROM PCB (R)
Valve open/closed detection Sensor
Ink tank cover switch
Humidity sensor
Carriage HP sensor
Pressure release switch
Pump encoder sensor
Pump cam sensor
Feed roller encoder
Feed roller HP sensor
Head management sensor
J3301
F-2-1
Valve motor
Lift motor
Pump motor
Media sensor
Suction fan
Mist fan (R)
Mist fan (L)
Chapter 2
0012-6242
0013-5398
2-1