5.1 OVERVIEW
This chapter contains flowcharts and checkpoint tables to help you troubleshoot the printer. Flowcharts let
you isolate a faulty unit based on abnormal symptoms. The checkpoint tables let you identify the faulty part
or unitby checking thevalues or ranges listed for eachcomponent.
5.2 TROUBLESHOOTING INFORMATION
This sectiongives troubleshooting information tolet you check testpoints for replaceable units.
5.2.1 Printhead
5-1. Printhead Coil ResistanceTest Points
Common
PinNo. Test
Pin No.
Test Method
(Set meterto ohms. Disconnect
the printhead afterthe printer is
powered off.)
Meter Reading
Refer to the
following figure.
Refer to the
following figure. Place one leadon each pin and the
other leadon each common pin. 16.4 ±
10%
Ω
( at 25° C,77° F)
315 C5 2C6516 11C7 17 C8 14 4 8
1913
7
C1 18 C2 12 C3 C4 610 TT
XX
X
X
XX
R
F
R
F
F
COM. C1 C2 C3 C4
1.7.13 9 10.18 6.12
R
COM. C5 C6 C7 C8
2.5.11 3.15 16.17 4.8.14
Pin No, Pin No,
T : Thermistor terminal
X : Not used
Figure 5-1 PrintheadConnector Pin Alignment
FX-2170 Service Manual Troubleshooting
Rev.A 5-1