Adjustment Of Fuser Entrance Guide - Toshiba e-STUDIO520 Service Handbook

3.10.3

Adjustment of fuser entrance guide

Check the gap between the fuser entrance guide and the press roller when the following troubles occur:
• Stain on the paper back side
• Jam at the fuser entrance
• Paper wrinkling
Adjust the fuser entrance guide following the procedure below until the troubles are cleared.
The gap is 0.8 mm when the screw is at position 1. (Default value)
<Adjustment procedure>
(1) Move the screw to the screw hole 2 and check the gap. (Fixed value of the gap is 1.3 mm.)
(2) Move the screw to the screw hole 3 and check the gap. (Fixed value of the gap is 1.8 mm.)
(3) Move the screw to the oblong hole 4 and adjust the gap. (Adjust it with o.4<gap<1.7.)
* The scale is marked off in ±1 mm (Also adjust the leveling of the fuser entrance guide after
the screw has been moved to the oblong hole 4 and the adjustment has been made)
Gap
Pressure roller
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3
Fig. 3-50
Gap
Fuser entrance guide
3
2
1
Fig. 3-51
3 - 53
Fuser entrance guide
1 4 2
Fuser entrance guide
Pressure roller
e-STUDIO520/523/600/603/720/723/850/853
Scale
4 ( Max 1.7 mm )
1
4 ( Min 0.4mm )
ADJUSTMENT
3