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4. Important Procedures
Drive Cleaning Procedure
Follow the procedure below to do drive cleaning. Here are some important points you should know about
drive cleaning.
• Drive cleaning should be done only after head cleaning and head flushing fail to clean the print heads
successfully.
• Drive cleaning is done by changing a bit switch setting in the SP mode and should always be done
by the service technician.
• Drive cleaning forces the piezo element to switch off and on repeatedly to force ink out of the nozzle
ports. (The piezo element does not operate during head cleaning or head flushing done with the
operator panel or the printer driver.)
4
• Drive cleaning consumes more ink than either head cleaning or head flushing and requires more time
to complete.
• Only one print head at a time can be cleaned with this procedure.
1.
Push and hold down and for 3 sec. then push [#Execute] to enter the SP mode.
2.
Push [#Enter].
3.
Select "Engine Mainte."
4.
When you see "SP No. 1000", select "5301" then push [#Enter].
5.
When you see "ENGINE SW" push [#Enter].
6.
Select "1" for Bit 1. This enables drive cleaning control.
• Reading from left to right, the digits represents Bit 7 to 0.
• "1" switches a bit ON and "0" sets a bit OFF.
• The second line of the display contains the cursor. This tells you which bit is currently active for
selection.
ENG SW #1 00001000
bit0 _
• Push [Escape] at any time if you want to return to the previous level.
Push or to position the cursor under Bit 1 (2nd digit from the right).
7.
ENG SW #1 00001000
bit0 _
Push or to display "1".
8.
ENG SW #1 00001000
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