MIMAKI TS34-1800A, Maintenance Manual

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© 2011 MIMAKI ENGINEERING CO.,LTD. 7.2.1 P.1
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MAINTENANCE MANUAL > Troubleshooting > Detailed Methods of Coping with the Malfunctions > Electrical Trouble-
Model TS34-1800A Issued 2011.10.17 Revised F/W ver 1.20 Remark
1.0
Rev.
7.2.1 Electrical Troubleshooting
 Outline
The following errors will be caused by breakage of PCB, and some of them may also break the surrounding PCB by
breakage of the head.
This explains the causes and handling for the electrical troubles.
Related troubles :
 Abnormal firing (simultaneously firing of no firing from a certain nozzle line)
 The power would not be turned on
 ERROR 07 HEAD or VOLTAGE
 ERROR 50 MEDIA DETECT or MEDIA POSITION
 ERROR 200 HEAD MEMORY
 ERROR 202 DEVICE CONSTRUCTION
 ERROR 205 42V HEAD VOLTAGE
 ERROR 207 SLEW RATE, OVERFLOW, UNDERFLOW
 Causes and solutions of the print head breakage
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.
Cause of head/PCB damage Countermeasures
1 Disconnection of HDC_FFC Fix moving part of the HDC FFC (Applied to all machines)
Please refer to the documents below for more detail.
• Maintenance Manual ( 5.2.6 Checking Conduction of HDC FFC COM
Line )
• Maintenance Manual ( 5.2.7 Checking Conduction of HDC FFC Data
Line )
2 Disconnection of Head FFC and contact
failure by wrong insertion of FFC When replacing heads, replace the Head FFC ASSY as well. Insert the FFC
straight and visually check if they are attached without misalignment.
If [ERROR 202 DEVICE CONSTRUCTION] occur, it might be a FFC
trouble or head/PCB may be damaged.
Please refer to the documents below for troubleshooting.
• Service Documents (4.4.1 Handing of FFC)
• Maintenance Manual (
7.2.1 Electrical Troubleshooting “Check Flow of
the PCB breakage”)
3 COM noise when turn off the machine and
trouble of power sequence. Note: Do not do the followings.
COM noise can be made and it will cause damage. However, if it is necessary
to do the operation mentioned (b), please leave the machine 3 minutes or more
before turning on the power.
(a) Turning off the main power while "BOOT" is showing.
(b)Turning off the main power after "F-ROM" error occurred.