2-22
Confidential
3.5
Sensors position
Sensor name
Type
Located on
Function
Regist front sensor
Photo sensor
High-voltage PS PCB
Detect the paper top
position or absence of
paper.
Regist rear sensor
Photo sensor
High-voltage PS PCB
Control the first print
position on the paper.
Paper eject sensor
Photo sensor
Relay rear PCB
Detect whether the paper
is ejected.
New toner sensor
Photo sensor
Relay front PCB
Detect whether a new
toner cartridge is installed.
Detect a new toner
cartridge type.
Toner LED PCB
(Light emission)
Photo sensor
Frame R
Detect whether the toner
cartridge which contains
enough toner.
Toner sensor PCB
(Light reception)
Photo sensor
Frame L
Front cover sensor
Mechanical
switch
Frame L
Detect the opening and
closing of the front cover.
PE sensor
Photo sensor
PE EG sensor ASSY
Detect the absence of the
paper in the paper tray.
Edge sensor
Photo sensor
PE EG sensor ASSY
Detect the end of the
paper.
Detect the absence of the
paper tray.
MP PE sensor
Photo sensor
MP PE sensor ASSY
Detect the absence of the
paper in the MP tray.
DX tray sensor
Mechanical
switch
Relay rear PCB
Detect the opening and
closing of the back cover.
Detect the absence of the
DX unit.
Summary of Contents for HL 5370DW
Page 12: ...CHAPTER 1 SPECIFICATIONS ...
Page 32: ...Confidential CHAPTER 2 THEORY OF OPERATION ...
Page 57: ...Confidential CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING ...
Page 109: ...Confidential CHAPTER 4 PERIODIC MAINTENANCE ...
Page 145: ...CHAPTER 5 DISASSEMBLY REASSEMBLY ...
Page 153: ...5 6 Confidential Fig 5 3 EM D110 4 places Separation pad ASSY ...
Page 154: ...5 7 Confidential 5 GEAR LAYOUT DRAWING Fig 5 4 ...
Page 213: ...5 66 Confidential 3 Remove the Gear 17 black Fig 5 86 4 Remove the Gear 17 white Fig 5 87 ...
Page 261: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...