Xerox WorkCentre Pro 635 Руководство по ремонту - Страница 3

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4.) To remove the Heat Roller, remove

the front snap ring (opposite the gear

end). Then hold the heat roll bearings

in place in the metal front and rear

frames, slide the roller out of the rear

(geared) end. Keeping the bearing /

sleeve in place will protect the heat roll

from scratching against the metal

frame.

5.) The other pieces... such as the

Pressure Roll and the Exit Roll can

now be removed easily if you need to

do so.

Reassembly is pretty much the same thing in reverse.

FUSER TEMPERATURE ADJUSTMENT:

The fuser's temperature could need adjusting in some cases on this series. Each fuser

has a sticker on the top of it which is a grid of numbers 0 - 6. The number which is marked

rates the fuser's "Rank" or heating level. A higher number means a hotter setting is required

to get proper fusing according to the OEM factory test process. The Service Manual

recommends that you set the machine's Fuser Setting in memory (from the diagnostics) to the

same number as the one marked on the fuser module. Basically though, if the fuser is running

too hot, the paper will tend to curl up or the thermostat may cut off throwing an overheat

message... if the fuser is too cool, then you'll get partial fusing.

Here is how to adjust the Fuser Temperature if you ever need to: Turn off the machine

and then Enter Diagnostics by holding down the '1' & the '3' buttons while powering on the

machine. Then press the following sequence of buttons: 'Up', '9', '2', '0', '8'. The current

setting will show up on screen. Then use the 'Up' or 'Down' buttons to change the value

shown to the value you'd like to try (0-6 is the range). Then press 'Enter' and the display will

show "Accepted". The 'Up' button, by the way, looks more like a triangle pointing up... Just

in case that's not obvious.

The 7042 style does not use this method of entering diagnostics. If you ever want to

adjust the 7042, you'd need to find someone you can borrow or rent two special tools from:

the "7042 Setup Tool" and the"Tech Drum Card". It is a strange method... the Setup Tool

plugs into the machine and becomes the interface for diagnostic adjustments. That is the only

way to make this adjustment on the 7041, 7042, 4010, or 4011 models.

That should just about do it... pretty easy one really... Oh and as far as parts

availability goes... I have seen the fuser rollers and fuser drive gears out there already...

other parts are likely to surface as time goes on as well. Don't let these things slip through the

cracks. Happy Repairs to you all !

We'll have a closer look at a few other good candidates for fuser repairs next month.

I'm thinking maybe the DC332/340/432/440 etc. Sound good?