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Solid Ink Printers XeroxOffice Group Service Bulletin SB 723

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instructions in the service manual for performing abackchannel trace.

9. The backchannel trace should be displayed in the HyperTerminal window. When you have captured the necessary

trace data, click [Transfer] [Capture Text] [Stop] to enddata capture. This data will be saved as a text file to thelocation specified in step #7, and may now be faxed or e-mailed to EHS for help with troubleshooting problems onpower up or other out of the ordinary problems wherenormal diagnostics may not run.

PHASER 850 DIAGNOSTICS

To run diagnostics using a USB-to-serial adapter you must edit theDIAGS.INI file to launch the correct baud rate and COM port. Editthe file with a program such as WordPad. You will also need toverify that your USB/Serial adapter software supports the COMport you want to use. Some manufacturers may require that theadapter is used on COM1 through COM4.

It is recommended that the NO-Floppy diagnostics from thePartners Web site be used for easy diagnostic operation. Alwaysplace switch 1 only in the down position on the Phaser 850 printer torun diagnostics.

The following are the settings that need to be changed in theDIAGS.INI file. Set the Port for the Com port you wish to use. Thebaud rate is normally set at 19200. Save the file and launch

diagnostics.

PORT0 = COM1 baud: 0 = 9600

PORT1 = COM2 baud: 1 = 19200

PORT2 = COM3 baud: 2 = 38400

PORT3 = COM4

NOTE Beginning with the Phaser 860, all printers havebuilt-in diagnostics capabilities and do not require theuse of external diagnostics.