Disabling Download Emulations - Lexmark T520 - 20ppm 8MB Par USB Pcl6 Ps3 Ppds Service Manual

4520-xxx

Disabling Download Emulations

Error Code 964: Download Emulation CRC Failure. Checksum
failure detected in the emulation header or emulation file.
Error Code 965: Download Emulation Outdated. Time stamps
indicate the download emulation and RIP code are incompatible.
To help resolve Download Emulation problems the following steps
are necessary to instruct the printer to POR without activating any
download emulations.
To Disable the Download Emulation:
1. Turn the printer off.
2. Press and hold the Go and Menu buttons.
3. Turn the printer on and release the buttons once "Performing
Self Test" displays.
– Once the printer is idle, the emulation can be downloaded
again.
4. Program the download emulation into the code overlay card
assembly again.
5. If these steps do not resolve the problem, replace the code
overlay card assembly and download the emulation again.
Diagnostic Aids
3-5