Print Signal Sequence - Canon W6200 Service Manual

Part 4: Technical Reference

1.2 Print Signal Sequence

The signal sequence from when the printer receives the print signals until printing
starts is shown in Figure 4-2 below.
Host computer
Printer driver
a a
Expansion
CPU unit
EEPROM
FLASH
SDRAM
Engine controller
SDRAM
EEPRROM
FLASH
SDRAM
Optional software
RIP etc.
a' a'
Interface unit
Network
b
Image processing
CPU ASIC
FCRAM
c, j
d d
System controller
g
e
ASIC
g
e, f
i
f
i
i
CPU
f
f
i
Figure 4-2 Print Signal Sequence
unit
j
Operation
panel
c
h
g
g'
Driver Receiver
ASIC ASIC
Carriage relay PCB
Ink tank
EEPROM
Sensor and drive unit
4-2
: Image data
: Mask pattern data
: Heat pulse
: Command data
: PCI bus
: Data bus
W6200
Printhead
EEPROM
Head relay PCB
Latch IC
W6200