LX-300+/1170
Revision C
Troubleshooting
Troubleshooting
66
3.2.4 Unit and Parts Check
This section describes the checking method of the printhead, motors and sensors to find the
defective units and parts.
3.2.4.1 Printhead Check
By measuring the direct current resistance of the printhead coil, you can check if it is all
right.
Figure3-2. Head Coil Pin No.
W A R N I N G
When repairing the unit, make sure to turn the printer off and plug
off the power cable except when this manual specifies to keep the
power on.
Table 3-10. Printhead Coil Resistance
Item
Operation
Specification
Printhead
1. Set the multimeter to the resistance measuring range.
2. Connect the one side of the probe to C.
3. Connect the other side of the probe to corresponding
head pin No.
33.3 ± 3.3
Ω
(at 25°C/phase)
Looked From Point A
Summary of Contents for LX-1170
Page 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 44: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 60: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 69: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 89: ...LX 300 1170 Revision C Disassembly and Assembly Disassembly and Assembly 89 ...
Page 90: ...C H A P T E R 5 ADJUSTMENT ...
Page 98: ...C H A P T E R 6 MAINTENANCE ...
Page 103: ...C H A P T E R 1 9 7 APPENDIX ...
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