Question about Sharp AL-1642CS Copier
Where are the buttons located that I should be pushing to try to clear the code?
H4 flashing on Sharp copiers indicates that the fuser tempurature has failed to reach temperature in a given time. The posible causes of this are 1.Failure of the heater lamp or heater lamp drive circuit. 2. Failure of the temperature sensing circuit. 3. The initial temp. of the fuser roller was very cold. or 4.low mians supply voltage for a short time (brown out). The copier does not allow a simple on/off reset of this fault because in cause 2. above the copier may overheat and cause a fire.
The reset for this model should be:
Clear ® Density select ® Clear ® Density select - 14-Print.
Posted on May 29, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
Aug 02, 2014 | Ricoh Aficio Mp- 161 Copier
'clear' button and then the 'auto' button then the 'clear' button and then the
'auto' button again.This should be done as quickly as you can and the console
will go blank.Next,select 14,which is the low temp clearing code, and then push
'start' and then turn the machine off and back on again.
If the error still occurs call Sharp or qualified technician to resolve your fuser issue
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If the error still occurs call Sharp or qualified technician to resolve your fuser issue, but it is probably cheaper to just get a new copier. j
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