Electronics Test
Purpose3 Verify the operation of the FIBIS Column address and the shuffler
In service mode 1 press Electronics Test Media Source and Reprint Keys
If the test passes the Sheet L LED O will light up
If the test fails the Sheet L LED O will start to flash
If the test fails replace the lectronics Module
Bail Test
Purpose 3 Tests the operation of the bail system Service Station and the Y3axis by engaging and disengaging the bail3lift mechanism and cappinguncapping the cartridges
In service mode 2 press Bail Test Setup Key
If the Printer does not raise the Bail ssembly then the test has failed
If the bail fails the test replace the Bail3lift mechanism
Electrical Test
This tests the operation of some of the electrical components of the electronics module
In service mode 2 press Electrical Test Form Feed Key
If the test fails an error code will appear on the front3panel Refer to System rror Codes section in order to correctly troubleshoot the failure
ServoEncoder Test
The servoencoder test performs the Media3axis and Carriage3axis encoder test and also records the maximum friction detected in the ROM which can viewed on the service configuration plot
In service mode 2 press ServoEncoder Test Media Type Key
To view the results of the test you must print the Service Configuration Plot Print Quality and Media Type keys
If the test fails an error code will appear on the front3panel Refer to System rror Codes section in order to correctly troubleshoot the failure
Service Monitor (Data Display)
The service monitor is useful to find out why the Printer is not plotting what you expect it to plot Instead of plotting the drawing that you send the Printer prints the beginning and end of the code that would otherwise have been used to plot the drawing
In service mode 2 load a sheet of media 3 size or B size minimum in portrait orientation and press Service Monitor Media Type and Media Source Keys
Send the file from the computer through the serial or parallel ports Ready L flashes
Wait until the computer has indicated that it has sent the file Ready L continues to flash
While the Ready L is flashing press Service Monitor Media Type and Media Source Keys again
HP DesignJet 430, 450C and 455CA Printers | Quick Reference Service Manual 9 |
