Adjusting Nip Band - Gestetner B130 Service Manual

FUSING

3.5.7 ADJUSTING NIP BAND

Checking the nip band ensures that the fusing unit is in good condition and
properly installed, (in particular if the hot roller and pressure roller are correctly
installed).
1. Activate the SP mode.
2. Select SP1-109-001.
3. Specify "1."
4. Press the OK key.
5. Press the key. The copy mode is activated.
6. Place an OHP sheet on the by-pass tray.
7. Press the key. The copier feeds the OHP sheet, and reserve it between the
hot roller and the pressure roller about 20 seconds.
8. Wait until the OHP sheet is output.
9. Press the
10. Make sure SP1-109-001 is selected.
11. Specify "0."
12. Press the OK key.
13. Quit the SP mode.
You should see an opaque stripe on the OHP sheet. This is the trace of the nip
band. The normal nip band is symmetrical to the OHP sheet. Both ends are slightly
thicker than the center.
NOTE 1: There are no specifications or standards for the nip band of this copier.
NOTE 2: If the band is not as described above, change the position of the spring
hooks (one on each side of the pressure roller). Then check the nip band again.
(The higher hook position produces greater tension.)
B129 Series/B044 Series
CÓPIA NÃO CONTROLADA
key.
CÓPIA NÃO CONTROLADA
3-18 SM