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Will not switch on. - HP Office Equipment & Supplies

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Check your power supply and adapter voltage are porper working.also check your earthing .
then check your power unit ic in printer,.

Posted on Oct 11, 2008

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Posted on Jan 02, 2017

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Why Does the NMS Display the Error Message another nms was polling the switch with wrong communityWhen It Uses SNMPv2c to Connect to the Switch?

The reason is that the community name configured on the NMS is different from the community name configured on the switch.
When this error message is displayed, run the display snmp-agent community command to check the community name configured on the switch, and then change the community name on the NMS to be the same as that on the switch.
S6700 Switch Thunder link com

Nov 17, 2016 | Office Equipment & Supplies

1 Answer

How to reset fuser error konica 7030

In your case the soft switch will be 3-1-1 changing last bit to 0. if the code comes back do not reset as this code deals with the fuser it can catch on fire and that will ruin a perfectly good day.

Setting Software DIP SW1. Setting method
This setting specifies the software DIP switch on the software SW setting screen. (*1)Caution 1: The bit of the DIP switch is written in
the non-volatile memory every time it is
Caution 2: The numbers shown in the message
area are defined as follows:
Software SW 8-bit switch values in indicated in hexadecimals from 00 to FF.

Example: 04-7 : 1 A8
Bit data
1 : ON
0 : OFF
Bit number (0 to 7)
Switch number
2. Setting proceduresStep1
Operation procedure
Enter the 25 Mode.[25 mode menu screen] Hold Down the 25 and power on.
Press the [1. Software SW] key.[Software SW setting screen]Select DIP switch number.Use the left [  ] , [ ] key.
Select bit number of the DIP switch.Use the center [  ] , [ ] key.
Select ON (=1) or OFF (=0) of the DIP switch.
Use [ON] or [OFF] key.
[ON] : Set bit.
[OFF] : Clear bit.
Press the [Return] key to return to the 25 mode
menu screen.For each switch function, refer to "List of Software DIP switches".

May 24, 2014 | Konica Minolta Bizhub C300 All-In-One...

1 Answer

Lid wont close

On the right side of the lid is a small triangular peg that pushes down on a switch that tells the printer that the cover is open.
After a lot of use, the insides of the printer get dusty and sticky, and the switch doesn't move easily.
Add to the fact, that HP constructed the switch in a pretty unintelligent way, so the triangle doesn't push the switch down, but the switch has to "glide" backwards from under the triangle.
If the switch is covered in old sprayed ink, the friction on the surface of the switch prevents it from gliding backwards under the lid, and the lid won't close correctly.
To resolve that, use a cotton swab with cleaning alcohol to clean the surface of the switch.
While doing so, also check if you can EASILY push the switch towards the back of the printer.
Do NOT press directly down on the switch. It's a flimsy piece of plastic that "bends" down, instead of swivelling backwards and closing the contact as it's supposed to.

Dec 01, 2013 | HP DeskJet 5652 InkJet Printer

1 Answer

Brother mfc 420cn will not turn off

It sounds like you have a defective power switch. Switches will break at time. I found that the plastic support that the metal switch toggles over can break preventing the switch from operating properly either staying in the continuous on or off position. Try contacting Brother International Support at 877-436-2665 for assistance. They can probably give you the correct part number for the switch and send you one for a reasonable price. I found them to be quite price competitive with what one might find online at eBay or other third-party vendor.

When you receive the switch, you will need to disassemble the machine to get to the switch to remove it. This switch will either have screw on terminals or the wires will be soldered onto the terminals. If it is the first, it's easy to remove the wires and move them onto the new switch. If it is the second thing you'll likely need to desolder the wires from the switch and then resolder the wires on to the new switch.

To prevent inadvertent error, remove one wire at a time and move it to same terminal on the new switch.

Sep 05, 2013 | Office Equipment & Supplies

1 Answer

I have a canon np6560 and np6551...the 6560 shutdown in the middle of a job...and now only turns on when the door is open, but once i close the door, the on switch kicks off...when the door is closed the...

try to turn on the copier and do not loss the switch I mean still press it
are the copier appier any error or still work
if yes
replace the on/off switch
if no
what the error shown in the control panal

Apr 08, 2010 | Office Equipment & Supplies

2 Answers


You will need to remove the front control panel assembly (2 screws and 1 ribbon cable) with copier opened like removing a paper misfeed (or replacing toner unit). Next, you will need to separate circuit board from control panel in order to gain access to the switch under the green print button. Sometimes, you can use electrical contact cleaner (tuner cleaner) to spray into the switch itself, pressing the switch numerous times to evaporate the solution from inside contacts of said switch. Now use a multimeter to check for continuity while depressing the switch and releasing. If cleaning the switch fails, either the switch will need to be replaced or the control circuit board will need to be replaced...replacing the switch isn't difficult, if you know how to solder. Reassembly is reverse of disassembly.

Nov 24, 2009 | Canon PC-920 Black and White Copier

1 Answer


Probably either a bad interlock contact in the safety switch OR a mechanical problem in actuating the switch. Use a continuity tester on the switch to diagnose.

Oct 17, 2009 | Ultratec Miniprint 425 TTY Printer

1 Answer

Front door open message it won't print

There is a switch inside the front door that is not making contact when the door closes, making the printer think that the front door is open. The switch is recessed in the housing. Look for a plastic knob that protrudes from the front door that will mate with a hole in the frame. Inside this hole is the switch. Try activating the switch manually with a screwdriver to make sure the switch is functioning. If it is, you will need to take off the cover and reposition the switch forward. If it does not activate manually, the switch must be replaced.

Jun 22, 2009 | Dell 1815dn All-In-One Laser Printer

2 Answers

Sato thermal printer will start printing, then stop saying that the head is open

Esta impresora utiliza un pequeño switch que detecta cuando la cabeza esta abierta. Identifica donde esta este switch y verifica si no tiene cables rotos o esta dañado. This printer uses a small switch that detects when the head is open. Identifies where the switch and check if it has no broken wires or damaged.

Mar 05, 2009 | SATO CL408e Label Printer

1 Answer

Where is the scan head locking switch

hi dear

Release the scan head locking switch.
The scan head locking switch is under the document glass.
If the switch is locked ( ), the machine will not operate. Unlock the switch



Mar 19, 2008 | Sharp SHP AL1655CS Printer, Scanner,...

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