Canon LBP1760P Service Manual page 210

CHAPTER 4
G. Printer driver tester
1. Outline
Printer driver tester is a special tool that operates the printer to check printer operations. It is
also used with the thickness gauge to adjust installation position of the envelope multiple feed
sensor of the envelope feeder. Its four main functions are as follow.
1) Operates the printer to print all-black, vertical lines, horizontal lines, or all-white images.
2) Monitors the state of the sensors in the printer and operates the printer.
3) Displays error status sent from the engine controller to the video controller with the LEDs
on the tester when a malfunction occurs in the printer.
4) Adjusts installation position of the envelope multiple feed sensor with a special tool, thick-
ness gauge. (See "VII. Measurement and Adjustment" for details.)
2. LED/switches
LED16 LED15 LED14 LED13 LED12 LED11 LED10 LED9
SW6 SW5 SW4 SW3
1 1 1 1
1 0 0 0
0
0 0 1
0 0 0 0
Laser ON
1
0
SW10
LED1 to LED16
Monitors the state of the sensors and various status sent from the printer with the 16 LEDs.
LED17 (Communication)
Lights up when communicating with the printer.
LED18 (Sensor Test)
Used to adjust position of the envelope multiple feed sensor.
SW1 and SW2 (Operation Mode Select)
Set operation mode.
SW3 to SW9
Set various data sent to the printer.
4 - 48
2 1 0
Cassette
SW14 SW13 SW12 Cassette Size
1 1 1 Reserved
1 1 0 Analog Data
1 0 1 Reserved
1 0 0 Service Error
0 1 1 Operation Error
0 1 0 Jam
0 0 1 Option Sensor
0 0 0 Sensor/Switch
1
0
SW14 SW13 SW12
SW5 SW4
1 1
Display Select
1 1
1
0
SW7 SW6
1 0
Vertical lines
F9 1 1
0
1
F5 1 0 Horizontal lines
0
1
F1 0 1 All white 0 0
0
All Black 0
Normal 0 0
600:0/1200:1 DPI Scanner ON
1 1 1 1 1
0 0 0 0 0
SW9 SW8 SW7 SW6 SW5
Figure 4-8-2
LED8 LED7 LED6 LED5 LED4 LED3
MP tray Test Cover Full Delivery Delivery
print open 2 1
PRINTER DRIVER TESTER
CANON INC
RY9-0124
MADE IN JAPAN
1
LED17
JC1
0
Communication
SW3
1
0 Cassette Pick-up
1
Operation Mode
0 Envelope Feeder Pick-up
Select
1 Paper Feeder Pick-up
0 MP Tray Pick-up
SW2 SW1
1 Reserved
Density Ajust.
1 0
0 Cassette Pick-up
Test Print
0 1
0 0
Operation
Test Print RDYINH
1 1 1
0 0 0
SW4 SW3 SW2 SW1
LED2 LED1
TOP Prefeed
LED18
Sensor Test
Reset
SW15
Enter
1
0
SW11