Canon LBP1760P, Service Manual

Page: 210 / 394

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
Figure 4-8-2
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.
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CHAPTER 4
RY9-0124
CANON INC
MADE IN JAPAN
PRINTER DRIVER TESTER
JC1
SW15
1
0
Reset
J1
0 0
0
0
0
0
1
1
0
0
1
1
1
1
1
1
0
1
0
1
0
1
0
1
SW13 SW14 SW12
1
0
SW14 SW13 SW12
Display Select
0 0
0
0
0
0
1
1
0
0 1
1
1
1
1
1
0
1
0
1
0
1
0
1
SW4 SW5 SW3
Cassette Pick-up
Envelope Feeder Pick-up
Paper Feeder Pick-up
MP Tray Pick-up
Reserved
Cassette Pick-up
X1
1
1
0
0
SW7
1
0
1
0
SW6
All Black
All white
Horizontal lines
Vertical lines
1
0
0
0 1
1
0
0 1
0
0
0
SW5 SW6 SW4
1
0
1
0
SW3
Normal
F1
F5
F9
SW1 SW2
1
0
SW1
0
1
0
SW2
1
0
0
SW3 SW4 SW5 SW6 SW7 SW8 SW9
1
0
1
0
1
0
1
0
1
0
1
0
1
0
RDYINH Test Print Scanner ON DPI 600:0/1200:1
LED16 LED15 LED14 LED13 LED12 LED11 LED10 LED9 LED8 LED7 LED6 LED5 LED4 LED3 LED2 LED1
Cassette
2 1 0 Test
print
Cover
open
Full Delivery
2
Delivery
1
TOP Prefeed MP tray
Q2
C4 C3
SW11
SW10
LED17
Communication
1
0
1
0
Enter
Cassette Size
J2
LED18
Sensor Test
Analog Data
Reserved
Service Error
Operation Error
Jam
Option Sensor
Sensor/Switch
Reserved
Operation
Test Print
Density Ajust.
Operation Mode
Select
Laser ON