Archived from groups: comp.sys.hp.hardware (
More info?)
ben_myers_spam_me_not @ charter.net (Ben Myers) wrote in
news:4080053a.14418128@news.charter.net:
> Michael,
>
> I've never seen those symptoms. The only solution would be
> to replace some the the parts such as the control panel
> assembly and cables to see which one has failed. It is
> probably the switch underneath the green Go button which
> failed... Ben Myers
>
> On Fri, 16 Apr 2004 14:25:54 -0000, MJHue
> <mjhue67711@excite.com> wrote:
>
>>ben_myers_spam_me_not @ charter.net (Ben Myers) wrote in
>>news:407c940c.20623169@news.charter.net:
>>
>>> Michael,
>>>
>>> Does the LJ5M control panel (keypad) display status
>>> messages when the printer is printing? If so, then maybe
>>> its cable connection is loose, and one or more of the
>>> signals from the control panel to the printer circuit
>>> board are not making it through.
>>>
>>> I am not aware of any feature to lock the 5M control
>>> panel, because it is essential to the recovery from paper
>>> jams, unwanted print jobs, and other exceptions.
>>>
>>> It could also be that the small circuit board on the
>>> control panel itself has failed partially.
>>>
>>> What happens when you push the large green "GO" button?
>>> Does the printer's display change from READY or POWERSAVE
>>> ON to OFFLINE? If not, then something is quite wrong
>>> with the electronics or even the mechanical parts... Ben
>>> Myers
>>>
>>> On Tue, 13 Apr 2004 21:22:12 -0000, "Michael J. Huebner"
>>> <mjhue67711@excite.com> wrote:
>>>
>>>>I have a HP laserjet 5m that works for the most part,
>>>>but I can not access any printer settings from the
>>>>keypad. It seems to be locked. I have it direct
>>>>connected using the parallel port to a windows xp
>>>>machine.
>>>>
>>>>Thank you for any help.
>>>>
>>>>Michael
>>>>
>>>>reply to mjhue67711@excite.com
>>>
>>>
>>
>>the display seems to work fine. It shows all messages.
>>Nothing happens when the 'go' button is pushed. I check
>>all cable connections and reseated all of them. the
>>printer works through windows, but still unbale to access
>>any keypad functions. Once, on power up it, after
>>initialization, the displayed showed offline for a few
>>seconds, then switched to ready.
>>
>>Michael
>
>
I found the problem and managed to get it working. Seven
traces on the bottom of the keypad board were cracked. I
managed to bridge the cracks with solder. (I am an experienced
electronics tech).
Thanks for your input and pointers in trying to help with this
problem
Michael
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