Digital Equipment DECwriter 500i Service Manual page 64

To run this test, proceed as follows:
- Load the ASF drawer with paper, preferably A4
- Switch off the machine then switch on keeping the ON LINE
key pressed during the power on.
The printer will start to feed the sheets and print the test. The first page (as would
be printed with a black print head) is shown below:
Diagnostics and Test 5-2