Google converted the 1st, 2nd page of a special pdf file as blank if print on the printer which is not support PDF through GCP

[jiape]

STEPS TO REPRODUCE:

1. Get the printer ready. note: printer does not support PDF.
2. Register the printer to GCP server.
3. Enter "Manage" screen -> Click "print"-> "Upload file to print" -> Select a file from my computer with the special PDF document using default settings.
4. Click the print button.
5. Compare the printout and original test file.

Actual Results:
The 1st and 2nd page are blank.

Test File:
[[软件测试](美)Ron+Patton中文电子版.zip