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Sharp AR-M Error CODE E7-02 - How can I fix this?
this is occur due to LSU (laser diode,reception element,apc circuit )trouble or LSU drive circuit (asic) trouble.
1.first go to service mode (simulation mode)& reset it
2. still error occurred, check wire harness of laser unit & clean laser unit mirrors,reflector polygon mirror.
3. still occur just replace toner cartridge because once it works for me.
4. finally replace laser diode.
on Oct 22, 2019
Code h2 00
From copy mode, # * C * to put the machine in service mode, then 14, start, yes, and CA to clear the code. If it returns, remove your fuser and clean your thermistors, if it still returns they may need to be replaced or you may have a problem with your entire fuser.
on Nov 22, 2013
From FixYa Support: L4 error code means a copier motor
Please press # Interrupt C interrupt. Press 16
press start key or print key. If still a problem, please check the motor fuse
or see if any kind of gear was broken.
Hope this helps
on Aug 19, 2010
Sharp copier m550n
L4-03 is a lock of the fusing motor. It's likely you need to have the fuser rebuilt. You can try resetting the error by turning off the main power switch (located behind the front door under a little plastic cover) and back on. It's likely the error will come back. There's a cleaning screen on the lower fuser roller which gets gummed up with toner and sticks to the lower fuser roller causing it to seize and the motor not to be able to turn causing the L4-03.
on Jul 26, 2010
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