Canon CLC 1120 Service Handbook page 192

CHAPTER 4 SERVICE MODE
Level 3
TR2-CHK Use it to select a point of attraction on the transfer
drum during TR2-ON.
1: 2-sheet retention (sides B and A)
2: side A detecting
3: side B retention
TR2-ON Use it to execute printing for checking an 8-mm
leading edge margin according to TR2-CHK settings.
This mode uses the source of paper selected before
starting service mode.
Using the Item
1) Select an item (to highlight), and press the OK
key.
2) The operation will stop automatically.
TR3-CHK for R&D
TR3-ON for R&D
TR4-CHK for R&D
TR4-ON for R&D
DPC
Measures the potential of the photosensitive drum.
Level 3
DPC Use it to execute measurement of the potential of the
photosensitive drum.
Using the Item
1) Select the item (to highlight), and press the OK
key.
2) The operation will stop automatically.
OFST Use it to execute offset adjustment of the potential
measurement circuit of the photosensitive drum.
Using the Item
1) Select the item (to highlight), and press the OK
key.
2) The operation will stop automatically.
INIT Use it to execute initialization of the measurement
data on the potential of the photosensitive drum if
DPC cannot be executed normally.
Using the Item
1) Select the item (to highlight), and press the OK
key.
2) The operation will stop automatically.
4-106
Description
Description
COPIER>FUNCTION
Remarks
Remarks