Canon QY8-1360-000 manual 14 Adjust the Head Gap, 5-11, BJC-7100, Part 5 Maintenance

BJC-7100 Part 5: Maintenance

2. Head Gap Check/Adjustment Flowchart

Check results are categorized into three types as follows:

A:The head clearly contacts the thickness gage, and the thickness gage is moved pressed against the head.

B:The head barely contacts the thickness gage, and the thickness gage moves very slightly.

C:The head does not contact the thickness gage at all, and the thickness does not move at all.

		START
		Check head gap using
		1.4mm gage.
	A		C
		Result?
		B
Check head gap using				Check head gap using
1.2mm gage				1.7mm gage

Result?	C	B • C
		Result?
A • B		A
		Check head gap using
		1.5mm gage
	A • B	C
		Result?
Adjustment required	No problem	Adjustment required
	(adjustment not required)

3. Adjusting the Head Gap

Follow the procedure below to adjust the head gap if required.

1)Loosen the red screws, and turn the adjust plate so that the support shaft is at the topmost position.

Figure 5-14 Adjust the Head Gap 1

5-11