December 2000 © TOSHIBA TEC
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1600/2000/2500 ADJUSTMENT
1.13 Adjustment of the doctor-sleeve gap
Tool to be used: Doctor-sleeve jig
(1) Remove the toner cartridge and process unit.
(2) Detach the drum assembly and dispose the developer material (Chapter 3-4 [G] in the Service Manual).
(3) Remove the 2 screws and detach the developer cover.
Place the drum assembly on a flat surface.
(4) Loosen 3 screws fixing the doctor blade.
(5) Insert the jig of the gauge “0.275” into the gap between the magnetic roller and doctor blade.
The jig should be inserted into the positions of 3 screws.
(6) Tighten the screws while the doctor blade is pressed against the doctor-sleeve jig lightly.
(7) Insert the jig of the gauge “0.25” into the gap between the magnetic roller and doctor blade.
Confirm that the jig moves smoothly to the front and rear sides and the jig of the gauge “0.30” cannot
be inserted into the gap.
Fig. 1-13-1
(8) Close the developer cover and reconfirm the gap. If the gap is out of the specified value, repeat the
procedure from (4).
When closing the developer cover, do not push the magnetic roller guide.
(9) Apply the screw lock paint to 3 screws.
Note:
Do not rotate the magnetic roller until the adjustment is completed. If the magnetic roller is rotated
during the adjustment, repeat the procedure from (4).
Doctor-sleeve jig
Doctor blade
Doctor blade
Magnetic roller
Doctor-sleeve jig
Magnetic roller
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