Measurement And Adjustment; Test Print; Test Print Function; Mechanical Adjustment - Canon LBP6000 Series Service Manual

Chapter 5

5.2 MEASUREMENT AND ADJUSTMENT

5.2.1 Test Print

5.2.1.1 Test Print Function

LBP3100 / LBP3010B / LBP6000 / LBP6000B
This equipment has a test print function to check if the printer engine nor-
mally operates.
Test patterns (horizontal lines) are output when executing this test print.
The following is the operation procedure;
1) Set A4/LTR papers on the pickup tray.
2ÅjOpen and close the delivery tray [1] five times continuously with the
power switch on. (The time of opening and closing the delivery tray is ap-
prox. 2 sec or less.)
3) Test print is executed.
Be sure to follow the procedures below, otherwise the fixing film or the fixing sleeve may be damaged.
The nip width of the fixing unit is not adjustable in this printer, however, the
improper nip-width may cause the faulty fixing.
Follow the procedures below to check the nip width.
1) Prepare an all-black print of A4 size that is printed with the same type of
cartridge for the printer before visiting the user.
2) Load the printed sheet facing DOWN on the pickup tray.
3) Print a test-page.
4) Turn off the printer when the leading edge of the paper appears in the face-
down delivery slot.
Wait for 60 seconds and open the cartridge door to remove the paper from
the printer.
5) Measure the width of the glossy band across the paper and check if it is
meeting the requirements below.
- Center (a): 5.6mm to 8.0mm
- Right and left (b, c): 5.6mm to 8.0mm
Feed out direction
5-2
c
Center
of
A4-sized
paper
a
b
F-5-3
0019-5267
F-5-2

5.2.2 Mechanical Adjustment

5.2.2.1 Nip-width (pressure from the pressure roller)
specifications
LBP3100 / LBP3010B / LBP6000 / LBP6000B
[1]
0019-6413