Canon GP160DF Service Manual page 575

Press 3 on the numeric key pad
CT1 on A4 CT2 of
CT3 on A4 CT4 on B4
CT1: main body cassette add paper sensor (PS305); on/paper available, of/add paper
main body cassette paper size detection switch
CT2: first level cassette feeder add paper sensor (PS651); on/paper available, of/add paper
first level cassette feeder paper size detection switch: displays paper size
CT3: second level cassette feeder add paper sensor (PS651); on/paper available, of/add paper
second level cassette feeder paper size detection switch: displays paper size
CT4: third level cassette feeder add paper sensor (PS651); on/paper available, of/add paper
third level cassette feeder paper size detection switch: displays paper size
Press 4 on the numeric key pad.
MLT on A4 TN on
RS of JAM of
MLT: multifeeder add paper sensor (PS501): on/paper available, of/add paper
TN: add toner sensor: on/toner available, of/add toner
RS: reserved
JAM: jam detection status: on/jam detected, of/no jam detected
Press 5 on the numeric key pad.
0:01 2:01 3:01 5:01
8:01 10:07 11:0B
Press 6 on the numeric key pad.
12:01 13:70 15:31
16:01 17:01 18:10
Press 7 on the numeric key pad.
21:38 22:07 33:01
35:01 39:01 100:01
Displays printer status.
(see page 4-74)
Figure 4-23
CHAPTER 4 SERVICE MODE
4-73