Brother International HS-5300 Service Manual - Page 45

The

paper

delivery

sensor

is

placed

at

the

down

stream

of

the

PA

lower

roller

and

detects

paper

jamming

during

paper

transportation.

(6)

Maintenance

paper

empty

switch

(MPE)

The

maintenance

paper

empty

switch

is

placed

in

the

maintenance

mechanism

and

detects

the

maintenance

paper

empty.

(

7

)

Cover

open

switch

(CO)

The

cover

open

switch

detects

the

open/close

status

of

the

top

cover.

(8)

Cam

home

position

switch

(CHP)

This

is

a

cam

home

position

switch

for

the

ink

supply

mechanism.

(

9

)

Pre

-heat

platen

thermistor

(PPT)

The

Pre

-heat

platen

thermistor

is

placed

on

the

heater

at

the

back

of

the

Pre

-heat

platen

and

detects

the

temperature

of

the

Pre

-heat

platen.

(10)

Heat

platen

thermistor

(HPT)

The

heat

platen

thermistor

is

placed

on

the

heater

at

the

back

of

the

heat

platen

and

detects

the

temperature

of

the

platen.

(11)

Quench

Platen

thermistor

(QPT)

This

thermistor

is

attached

to

the

quench

platen

to

detect

the

temperature

of

the

quench

platen.

(12)

Ink

sensor

(LOIS)

The

ink

sensors

for

each

color

are

attached

to

the

head

and

detects

ink

empty

in

the

head

while

the

carriage

is

moving.

When

it

detects

ink

empty,

the

ink

is

supplied

from

the

ink

silo

to

the

head

after

completion

of

the

printing

operation.

If

the

ink

empty

is

still

detected

after

performing

an

ink

supply

operation,

an

ink

empty

error

occurs.

(13)

Head

Front

end

thermistor

(FET)

The

Head

Front

end

thermistor

is

placed

on

the

Head

Front

end

section

and

detects

the

temperature

of

the

Front

end.

Using

this

thermistor,

the

temperature

of

the

ink

nozzles

on

the

head

is

controlled

at

117°C.

(The

temperature

at

the

thermistor

is

controlled

at

130°C)

(14)

Head

Back

end

thermistor

(BET)

The

Head

Back

end

thermistor

is

placed

in

the

ink

tank

and

detects

the

temperature

of

the

ink

tank.

Using

this

thermistor,

the

temperature

of

the

ink

tank

is

controlled

at

122°C.

(15)

Ink

melting

tank

thermistor

The

ink

melt

tank

thermistor

is

placed

on

the

top

of

the

ink

tank

and

detects

the

temperature

of

the

ink

melting

tank.

The

temperature

of

the

ink

melting

tank

is

controlled

at

100°C

for

normal

state

and

130°C

for

melting

ink.

11-26

Brother International HS-5300 Service Manual - Page 45

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