Canon FAX L1000 Service Manual page 135

(3) Close the printer cover.
If the printer cover is closed without a cartridge being inserted, there will be
no "TN of" display, and this will not count as a sensor malfunction.
If the printer cover sensor lever is pressed while the cartridge sensor lever is
being pressed, high voltage will be applied to the high voltage terminals.
b) Stamp test
The stamp test is selected by pressing the numeric key 5 from the faculty test menu. In this
test, check if the stamp function operates correctly. The stamp test can test the following 2
operations.
6-5: STAMP
[1] ---[2]
Pressing 1.
6-5: STAMP
5 point P.0000/0020
After the document is fed
to the stamp position and
stamped five times, it is
ejected.
The above tests are carried out until the document sensor (DS) goes off.
NOTE
FAX-L1000 Chapter 2: Operating Instructions
Pressing 2.
6-5: STAMP
endless P.0000/0020
The document is fed until the
stamp position, and will be fed
and pressed with the stamp until
the document sensor (DS)
becomes OFF.
Figure 2-51 Stamp Test
2-79