Canon FAX L1000 Service Manual page 134

FAX-L1000 Chapter 2: Operating Instructions
a-1) Toner sensor test check method
Use the following methods to test "TN on", and "TN of".
• "TN on" check
(1) Open the printer cover.
(2) Insert a cartridge containing toner into the fax.
(3) Close the printer cover.
• "TN of" check
(1) Open the printer cover.
(2) Insert the empty cartridge into the fax.
(3) Close the printer cover.
Toner sensor terminal
High voltage terminal
Printer cover sensor
Figure 2-50 Toner Sensor
2-78
Printer cover