Fujitsu DL7400 Manual De Usuario

Your first response to each alarm should be as described in the following 
table. 

 

LES alarm

Remove any paper dust, which may cause problems 
in carriage operation. 

APTC gap 
alarm 

Check the paper thickness (0.04 to 0.57 mm). 
Check whether the paper has different thicknesses 
or whether the paper has filing holes. 

 

For problems other than the above, request your printer dealer to make 
repairs. 

The following errors cause the printer to turn off the power: 

•  Print head error 
•  Space motor error 
•  Line feed motor error 
•  +34 V overvoltage error 

No error condition is displayed if any of these errors occurs. 

Turn the printer off and back on, then rerun the same job to check if the 
error was transient. If the error recurs, contact your dealer. 

 

The printer diagnostic functions are SELF-TST, HEX-DUMP, and V-
ALMNT. 

•  SELF-TST tells you whether the printer hardware is functioning 

correctly. If the printer hardware is functional, any problems 
you are having are probably caused by incorrect printer settings, 
incorrect software settings, the interface, or the computer. 

•  HEX-DUMP allows you to determine whether the computer is 

sending the correct commands to the printer, and whether the 
printer is executing the commands correctly. This function is 
useful to programmers or others who understand how to 
interpret hex dumps. 

•  V-ALMNT allows you to check and, if necessary, correct the 

printer’s vertical print alignment. 

For details on using these functions, all of which are available in the 
printer setup mode, see the section Using the Diagnostic Functions in 
Chapter 5.