Ribbon, Ribbon Guide; Print/Feed Roller - Novexx Solutions 64 Series Service Manual

01/13 Rev. 5.08-01

Ribbon, ribbon guide

Problem
Unfounded ribbon end
message
Ribbon produces folds
Ribbon is not being rol-
led up
Ribbon is wrapped
around transport roll
Ribbon tears during
printing process
[Tab. 5] Possible faults caused by the ribbon transport.

Print/Feed roller

Problem
Wear
Ink residue
Deformation
[Tab. 6] Possible faults at the print/feed rollers.
Maintenance and cleaning 
SERVICE MANUAL
Possible cause
Ribbon unwind mandrel is not
turned
Ribbon sensor defective
Friction of ribbon unwinding
set incorrectly
Friction of ribbon winding set
incorrectly
Drive belt defective
Friction of ribbon winding up
set incorrectly
Drive belt defective
Temperature too high
Possible cause
High running performance
Thermal bar contact too high
Pressure roller does not run on
material
Material deposits
Ribbon prints directly on feed
roller
Printing directly on print roller
High running performance
Printhead power setting too
high
Damage by operator
64-xx
Solution
Fix core to mandrel (spring plate), shift spring pla-
te if the thread has stripped
Check and if necessary replace (see also
FUNCTIONS > Sensor test)
Check and adjust friction
Check and adjust friction
Check and if necessary replace
Check and if necessary adjust
Check and if necessary replace
Check print contrast setting (press Prog button in
online mode or call PRINT PARAMETER >
Print contrast) and if necessary correct
Solution
Replace roller
Check and if necessary correct
Check and if necessary set
Clean (roller cleaner)
Clean and prevent direct printing on roller (roller
cleaner)
Avoid direct printing
Replace roller
Check print contrast setting (press Prog button in
online mode or call PRINT PARAMETER >
Print contrast) and if necessary correct
Replace roller and draw attention to proper care
4
Fault location
Error sources
SERVICE