3-19
Confidential
■
DUPLEX DISABLED
The back cover is open, or the DX unit is not set.
■
FONT FULL
The number of the registration of the font is overflowed.
■
FRONT COVER OPEN
Front cover is opened.
<User Check>
- Close the back cover.
- Set the DX unit.
Step
Cause
Remedy
1
Harness connection failure of back
cover sensor
Check the sensor performance following
the procedure in
in 1.3 Service Mode in Chapter 7
If any problem occurs, check the harness
connection of the back cover sensor, then
reconnect it.
2
Broken boss of back cover
Replace the back cover.
3
Back cover sensor failure
Replace the back cover sensor.
4
Main PCB ASSY failure
Replace the main PCB ASSY.
<User Check>
- Cut down the registration of the font.
- Add on the DIMM.
Step
Cause
Remedy
1
Main PCB ASSY failure
Replace the main PCB ASSY.
<User Check>
- Check if the front cover is closed certainly.
Step
Cause
Remedy
1
Harness connection failure of
interlock SW ASSY
Check the harness connection of the
interlock SW ASSY, and reconnect it.
2
Interlock SW ASSY failure
Check the sensor performance following
the procedure in
in 1.3 Service Mode in Chapter 7
If any problem occurs, check the harness
connection of the interlock SW ASSY, then
reconnect it.
3
Part pressing the cover sensor
harness ASSY is broken, which is
provided at inside of process cover
Replace the process cover ASSY.
4
Relay front PCB ASSY failure
Replace the relay front PCB ASSY.
5
Main PCB ASSY failure
Replace the main PCB ASSY.
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 ...