I will make about 12 3" passes over 3" square

If you completely remove wire from unit does it still slowdown and stop when you pull trigger?
If yes, then 2 most common problems are
A. Thermistor @ position PTC1 on circuit board
B. Drive Roller Motor

To diagnose, locate thermistor @ position PTC1 in upper middle part of circuit board.
It's yellowish round and about 1/2" in diameter.
Jumper Accross the 2 leads, use a small insulated screwdriver or meter probe.


1. Pull trigger on gun, when motor slows or stops then jumper the leads, if it speeds back up then it's the Thermistor
Replace with a Raychem RXE 1.85A @ 72 v
Or comparable, try EBay

2. If no change, isolate motor by removing the 2 leads and connect a 9-12 volt DC battery source, does motor spin? If not then motor is problem. If motor spins and is constant then additional troubleshooting needed, next possible issues are bad resistor or scr

Most copier has an APS (Auto Paper Selection) as default, 8.5 x8.5 is a square original, I would suggest you manually select the paper tray (e.g. Letter) first (this will temporary disable the APS for this session), then lay it down on the original glass, or ADF (Auto Document Feeder).

If you do not disable APS, you will have paper jamming problem, you do not have 8.5 x8.5 is th paper tray, of course, you may try it feed from the by-pass tray, set the the paper size to 8.5 x8.5 or special size ....... Each manufacturer has a different name for the same function (terminology).

the obvious, yet sometimes overlooked problem is to check if the wire feeder rollers.do you have the proper tension set?(did you do the wire test when you shot the wire to see if it bends or stops)

You have a shell stop that is either bent or worn, I think there are 2 in there, would have to look. Go to Gunparts.com for the view and order parts, might find them on ebean. Hope th is helps.

your feeder may need adjusting or more commonly the tip has tacked itself on the edn cap
keep the line as straight as you can & keep feeder compartment clean!
keep plyers handy for when wire is stuck in the tip
if you need to replace wire spool or a brakage of the wire make sure the wire is free or BURRS b4 you put it in the tube or you will damage the tube!
Cheer Rob.

If you take some alcohol, and put a couple of drops in the center if a piece of paper, then pass it through the feeder a couple of times, this should clean the feed and separate tires, do this a couple of times, then try passing a couple of sheets to see if the problem has been eliminated.

Hope this helps.
Ed

There are some small plastic pieces in this feed that can do this. This is an older machine, the whole top feeder can be replaced for $150.00 Its $100.00 dealer cost. And they will want an hours labor.

If that doesnt sound good I would buy a new machine.

Table 3-7. Paper Handling Menu
Item Values Explanation
ENVELOPE FEEDER
SIZE=COM10
For supported paper sizes
see page 1-12.
This item appears only when the
optional envelope feeder is installed.
Set the value to correspond with the
envelope size currently loaded in the
envelope feeder.
ENVELOPE FEEDER
TYPE=PLAIN
For supported paper types
see page 1-12.
This item appears only when the
optional envelope feeder is installed.
Set the value to correspond with the
envelope type currently loaded in the
envelope feeder.
TRAY 1 MODE=
FIRST
FIRST
CASSETTE
Determine how the printer will use
Tray 1.
FIRST: If paper is loaded in Tray 1,
the printer will pull paper from that
tray first.
CASSETTE: A paper size must be
assigned to Tray 1 using the
TRAY 1 SIZE option (the next item
in this menu when TRAY 1
MODE=CASSETTE). This allows Tray 1
to be used as a reserved tray.
TRAY 1 SIZE=
LETTER
For supported paper sizes
see page 1-12.
This item appears only when TRAY 1
MODE= CASSETTE. Set the value to
correspond with the paper size
currently

1. Remove foreign object from the Automatic Document Feeder (ADF) - MP830 / MP530 2. Placing a document on the platen glass / ADF (MP830 / MP530) 3. Straighten the paper 4. Adjust the MP530 document guides 5. Close the Feeder Cover properly MP530