Novexx Solutions ALX 92x, Service Manual

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07/15 Rev. 02 SERVICE MANUAL Fault Location
DPM – PEM – ALX 92x
4
Feed roller, print roller
See User Manual, topic section Maintenance and cleaning

.
Position of the print image
Ribbon tears during
printing process Printhead temperature is too
high
Check setting of print contrast (press Prog. button
in on-line mode or parameter
PRINT PARAMETER >
Print contrast
) and if necessary correct.
Problem Possible cause Solution
[Tab. 5] Possible faults caused by the ribbon guiding
Feature Possible cause Solution
Wear High running performance replace roller
Thermal bar contact too high check and if necessary correct
Pressure roller does not run on
material
check and if necessary set
Material deposits clean (roller cleaner)
Ink residue
Ribbon prints directly on feed
roller clean and prevent direct printing on roller (roller
cleaner)
Deformation Printing directly on feed roller avoid direct printing
High running performance replace roller
Power setting too high for bar
check print contrast setting (press Prog. button in
on-line mode or parameter
PRINT PARAMETER >
Print contrast
) and if necessary correct.
Damage by operator replace roller and draw attention to proper care
[Tab. 6] Faults, which can occur at the print and/or feed roller.
Problem Possible cause Solution
Print position shifted in
or against print direction
Incorrect parameter setting
Check parameter PRINT PARAMETER > Y-Print offset
or Easy Plug command (#Jx), if necessary correct
Gap position is recognised in-
correctly due to gap contour Correct sensor zero line with parameter
PRINT PARAMETER > Gap offset
Material unrolling blocked or
too sluggish
Check and if necessary correct
Material guide set too narrowly Check and if necessary set
Pressure rollers positioned in-
correctly or not at all
Check and if necessary set
Print shifted at right
angles to document
Material guide not set correctly Check and if necessary set
[Tab. 7] Unsatisfactory print position and the possible reasons.