6-69
6.5.12 Increase of dot missing
- “Dot missing” is a phenomenon in which some of
the dots comprising a character are lost.
Generally, missing of one per several thousand
dots is normal, but this may increase if the
following abnormal status continues:
(1) When equipment was in the ink ejecting status (standby status) but ink was
not ejected due to clogging of nozzle, etc. and equipment was left as was.
(2) Moisture, dust, etc. entered the ink.
If dot missing increases, perform the following troubleshooting, referring to the instruction
manual:
(1) Replace the ink filter
(2) Replace the ink
Dot
missing
Deflecting
direction
Summary of Contents for IJ UX
Page 1: ...Service Manual HITACHI Printer Model UX Revision July 1 2015 Version ...
Page 2: ... Revision of UX service manual Revision Chapter Revised Page Frist Edition ...
Page 15: ...1 9 2 External views Rear side 1 2 2 Main body internal Appearance with inner cover T removed ...
Page 16: ...1 10 1 2 3 Print head UX E UX D B Air exhaust port ...
Page 107: ...3 27 Circuit diagram of EZJ127A ...
Page 108: ...3 28 Circuit diagram of EZJ127B ...
Page 122: ...3 42 Circuit diagram of EZJ129 ...
Page 131: ...3 51 3 3 20 Electrical Connection Diagram ...
Page 132: ...3 52 ...
Page 188: ...4 55 5 Reset the time of the R air filter to 0 on the Parts usage time management screen ...
Page 301: ...7 Attached Drawing 7 1 Circulation System Diagram Circulation System Diagram UX B D 7 1 ...
Page 302: ...Circulation System Diagram UX E 7 2 ...
Page 305: ...7 5 7 2 2 Electrical Connection Diagram UX B Basic model Electrical Connection Diagram UX B ...
Page 308: ... Nozzle diameter 65μm 7 8 7 4 Dimensions around charge electrode and deflection electrode ...