Possible Printout Troubles - Intermec EasyCoder 501 Service Manual

Chapter 24 Print Quality Adjustment
24.2

Possible Printout Troubles

Symptom
Overall weak printout
Printout weaker on one side
Weak spots
Overall dark printout
Excessive bleeding
Transfer ribbon breaks
White parts at transfer printing
Transfer ribbon wrinkles
Dark lines along media
White lines along media
Large part of dot line missing
Last part of label missing
Printout missing along inner edge
Media jams in printer
Compressed print along media feed
Inferior ladder bar code printing
Bad cutting or paper jams in LL cutter
Linerless cutter does not cut
Printer does not feed
186
Possible Cause
Printhead pressure too low
Wrong Paper type setup
Low Contrast setup
Worn printhead
Wrong printhead voltage
Adhesive build-up on printhead
Uneven printhead pressure
Foreign particles on media/ribbon
Media/ribbon don't match
Media fi bres on printhead
Poor media or ribbon quality
Worn printhead
Worn platen roller
Printhead pressure too high
Wrong Paper Type setup
High Contrast setup
Wrong printhead voltage
Printhead pressure too high
Wrong Paper Type setup
Contrast setup too high
Faulty energy control
Ribbon fi tted around LSS
Wrong Paper Type setup
Ribbon supply unit stuck
Bad energy control
Transfer ribbon wrinkled
Incorrect edge guide adjustment
Ribbon obstructed by printhead cable
Too strong printhead pressure
Bad ribbon assist roller adjustment
Supply bobbin not centered
Foreign objects on printhead or guide plate
Printhead dirty
Missing dots on printhead
Wrong X-start or Width setup
Failing printhead
Failing strobe signal
Too small image buffer
Bad paper alignment
X-start setup too low
Adhesive residue in print unit
Too high release force required (501 LL)
EC 501 LL less suited for ladder bar codes
Adhesive residue inside linerless cutter
Parts of media stuck inside linerless cutter
Safety switch defect or not activated
Wrong Fingerprint version (< v6.1)
LTS erroneously detects label not taken
Remedy
Adjust both knobs
Check/change
Check/change
Check/replace
Check/repair CPU
Clean
Adjust outer knob
Remove
Use other media
Clean
Use other media
Check/replace
Check/replace
Adjust both knobs
Check/change
Check/change
Check/repair CPU
Adjust both knobs
Check/change
Check/change
Check CPU board
Check/adjust
Check/change
Check/adjust
Check CPU board
Adjust
Adjust
Check/clear
Adjust both knobs
Adjust
Adjust
Check/clean
Check/clean
Replace printhead
Check/change
Check/replace
Check CPU-board
Check/increase
Adjust
Check/increase
Clean
Change media
Change the layout
Clean
Clean
Check arm is closed Chapter 12.3
Check switch
Check version
Adjust LTS
Intermec EasyCoder 501 – Service Manual Ed. 7
Refer to
Chapter 24.3
Installation & Operation
Installation & Operation
Chapter 8.7
Chapter 26.3
Installation & Operation
Chapter 24.3
n.a.
Installation & Operation
Installation & Operation
Installation & Operation
Chapter 8.7
Chapter 8.3
Chapter 24.3
Installation & Operation
Installation & Operation
Chapter 26.3
Chapter 24.3
Installation & Operation
Installation & Operation
Chapter 26.3
n.a.
Installation & Operation
Chapter 7.2
Chapter 26.3
See next paragraph
Installation & Operation
n.a.
Chapter 24.3
Chapter 24.3
Chapter 7.2
Installation & Operation
Installation & Operation
Chapter 8.7
Installation & Operation
Chapter 8.7
Chapter 26.3
Installation & Operation
Installation & Operation
Installation & Operatio
Installation & Operation
Installation & Operation
n.a.
Chapter 12.3
Chapter 12.3
Chapter 12.5
Fingerprint manuals
Chapters 11 & 12