Canon BJ-W3000 Service Manual page 80

No.
[1] Linear scale
[2] Carriage motor (M2)
[3] Home position sensor (PS2) *
[4] Remaining ink sensor (PS3) *
[5] Ink tank sensor (PS4) *
[6] Carriage
[7] Paper thickness adjustment lever
[8] Cutter
[9] Media sensor (PS9)
[10] Carriage belt
[11] Carriage controller
* These sensors compose the purge unit.
Name
Table 2-201
CHAPTER 2. BASIC OPERATION
Function
Reference of printing position and print timing.
Moves the carriage back and forth.
Detects the home position.
Detects the ink level remaining in the ink tank.
Detects presence of ink tank.
Four BJ cartridges are mounted on the carriage and
move back and forth by the driving force from the
carriage motor (M2).
Selects one of 3 distances between the head and platen.
Rises and lowers according to the movement of the
carriage, cutting the roll media.
Detects ink dot position when adjusting the print
position alignment. Also detects internal temperature
with a built-in thermistor.
Transmits the driving force of the carriage motor (M2)
to the carriage.
Relays the print signals issued from the engine control-
ler to the BJ print head.
Conducts serial communication with the engine
controller using the 4-bit slave CPU, and sends the
internal temperature, head temperature and head rank
information to the engine controller.
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