Tally Dascom DL-820 - Chapter 5: Diagnostics and Maintenance; Printer Diagnostics and Troubleshooting

Tally Dascom DL-820 User Guide V1.0
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Chapter 5 Diagnostics and Maintenance
This printer is highly reliable. For precaution, this chapter recommends solutions to problems. In
the meantime, we describe some guidelines to maintain the printer in good conditions.
Follow the safety guideline to prevent harms to the operators and the printer.
5.1 Diagnostics
This list provides recommended solutions to the problems. Consult the re-seller’s customer
support if faults persists.
Faults
Probable Causes
Recommended Solutions
No power light
 Poor power connections
 Broken power cord
 Broken fuse
 Ensure secure connections from the printer
socket to the wall socket.
 Ensure to use power cord dedicated for this
printer.
 Check the switch box if the fuse is intact.
No printout but
normal media
feeding

Dirty print head

Media fall on the head

Improper ink ribbon

Use supplied print head cleaning kit to clean
the head.

Remove the blocking media from the head
and clean the adhesive left on the head with a
cloth soaked with alcohol . (Using metallic
tools to clear blocking media may damage the
head.)

Install genuine and correct type of ribbon for
your media.
Unclear printout

Mismatch media and
ribbon parameters

Incorrect darkness

Dirty or deformed rollers

Media fall on the head

Improper ink ribbon

Improper media
thickness

Unbalance head
pressure across the
media width

Adjust different media/ribbon setting
combinations.

Choose the proper density in the menu or
driver settings.

Clean the rollers with alcohol. Replace them if
deformed. (Consult the re-seller to order
parts.)

Remove the blocking media from the head
and clean the adhesive left on the head with a
cloth soaked with alcohol . (Using metallic
tools to clear blocking media may damage the
head.)

Install genuine and correct type of ribbon for
your media.

Turn the Media Thickness Dial for proper
clearance between the head and the media.

Slide the Media Width Slider for proper head
pressure.
Print position
shifted
 Mismatch media and
ribbon parameters
 Dirty or deformed rollers
 Incorrect codes and
commands fro the PC
 Incorrect menu settings
 Improper sensitivity for
the media sensor
 Adjust different media/ribbon setting
combinations..
 Clean the rollers with alcohol. Replace them if
deformed. (Consult the re-seller to order
parts.)
 If error message is displayed, check the
software contents, the communication
settings in the PC.
 Use the operation panel or Config Tool to
correct the settings.