MIMAKI TS34-1800A, Maintenance Manual

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© 2011 MIMAKI ENGINEERING CO.,LTD. 5.2.5 P.1
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MAINTENANCE MANUAL > Test Items > Other Test > Checking Damage of the Slider PCB
Model TS34-1800A Issued 2011.10.17 Revised F/W ver 1.20 Remark
1.0
Rev.
5.2.5 Checking Damage of the Slider PCB
 Outline
Check whether the IC on the slider PCB has electrical trouble or not.
 Procedure
1. Remove the six FFCs at CN1 to CN6 on the slider PCB.
2. Measure a resistance between 3.3V pattern and GND pattern on
the slider PCB to determine the condition. Connect the negative
terminal of the tester to the GND test pin (TPG1) and measure
the resistance by getting the positive terminal touch to 1 pin of
CN13.
Measured value of each test pin should be more than 5K ohms.
After turning off the sub and main power switches in order, unplug the power code.
Check if no electric charge is remaining in the PCB.
Refer to the "4.4.2 Electric charge checking when replace the Electrical Parts"
It is very dangerous if sleep mode functions mistakenly during the operation.
Moreover, the PCB may be damaged in case electric charge still remains inside.
Also there is a possibility of electric shock because of high power voltage applied the high-pressure part
of the power supply PCB assy. Take care to avoid contact with it.
GND
CN13 1 pin
U10
If ERROR 200 or ERROR 50 occurs after the print
heads replaced, U10 (CPLD, E600108) of the ink
slider PCB may be damaged.