Re: Epson 1650

[Arthur Entlich <artistic@ampsc.com>]

Hi Jim,

I wish to correct the comment on Epson printers.  Having owned six of 
them, and having repaired many dozens for others, this info needs to be 
better understood.

Epson printers need to remain plugged in for their small CMOS or 
whatever it is to remain charged so the head calibration isn't lost and 
a few other bits of info aren't lost.

Also, the printer should NEVER be turned off at the power bar, at least 
until the power button has been turned off and the heads finish their 
seating.

   They should NOT be left on (the power button is the ON position, with 
the LED lighted), for long periods without use (I'm speaking of a day or 
more) because this tends to help the heads to dry out from the heat 
generated from the electronics.  If you will be using it intermittently 
during the day, you may wish to leave it on, as that might reduce the 
number of cleaning cycles the unit goes through (saving ink), but if the 
unit will not be used for a day or more, you should turn it off at the 
power button.  Once the printer head has finished its movements and 
noises, it could be turned off at a power bar, or unplugged, but it will 
eventually lose its calibration settings and lose count of ink cleaning 
sequences.  The newer ones "might" even lose the ink monitoring (I don't 
know for sure, they use a chip in the cartridge, and I don't have any of 
those printers).

Art

Jim Green wrote:

> 
>> Can you explain further as to what type of printer requires to be left 
>> on, and why? My printers (Epson inkjet (numerous) and several laser 
>> printers all can be turned on and off at will or need. The Epsons only 
>> require that the be kept plugged in to a live AC source because they 
>> use a trickle amount to maintain some memory for head calibration 
>> purposes.
> 
> 
> I think that his question ifs worth pursuing:  I don't have an answer -- 
> except that on the Epson list is seems to be accepted that at least 
> Epson printers should be left on in order that the print heads be 
> properly seated and thus not dry out.  I don't know about any 
> "calibration".
> 
> Further comments???
> 
> Jim Green
> mailto:JMGreen@sisna.com
> http://users.sisna.com/jmgreen
> 
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