Trouble Shooting - Extech Instruments APEX 2 User Manual

4.6 Trouble Shooting

Problem
Does not feed paper
or has a paper jam
Does not print
Light printing
Voids in printing
Red (Error) LED on
If the problem is not identified by following the above trouble shooting guide, contact Extech
Technical Support. Support numbers and Email addresses are listed in
manual.
Other than routine cleaning and other maintenance described in Section 4, the
printer is not intended to be serviced by the user. It must be returned to an
Authorized Service Center. Under no circumstances should the user attempt to
dis-assemble the printer
APEX2 User's Guide
Action
•Remove any jammed supply
•Reload paper supply
•Check or replace the printer's battery
•Make sure the paper supply is loaded correctly, not backwards
•Verify communication between the host device and the printer by
disconnecting the communication cable and performing a printer self test
•Check or recharge the battery
•Adjust the print contrast through the print application
•Clean the print head following the cleaning instruction listed in
•Check that the paper roll is not depleted and that the paper door is closed
•Error reading MCR
•After extended printing, print head may be hot; printer will pause before
resuming printing
Rev 1.0
Section 4.1
Section 6 of this
22