Epson SQ-B50/2550 Technical Manual page 226

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REV.-A
4. Abnormal paper feeding
Yes
No
Yes
Was the p'aper feed
<motor cOil damaged >-N_O
- . j
by overheating?
(Refer to Table5-4.)
A
Replace the printer
mechanism.
Confirm that there
are no stray pieces
Yes
of paper or anything
>-------1
else nothing abnormal
within the paper the
paper path. Remove
any stray pieces ar
other fore Ign obJects.
Yes
Turn off the power
supply and turn the
No
<
';aper feed knob.
>------------,
"""<Does the knob
turnsmoothly?
END
END
Figure 5-4.Unit Replacement-4
Table 5·4. Paper Feed (PF) Motor Coil Resistance
Measurement Terminal
Resistance
(PF motor reed wire connector)
1 pin
5 pin
2 pin
27±0.4 ohmns
3
pin
6 pin
4
pin
5-6

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