Lcd Indication Processing - Canon iR3570 Service Manual

Chapter 10
The CPU on the main controlled PCB sends data (display data) to the control panel CPU PCB as instructed by the program.
The data is sent through the control panel PCB to reach the color LCD.

10.1.4 LCD Indication Processing

iR2230 / / / iR3530 /
The CPU on the main controlled PCB sends data (display data) to the control panel CPU PCB as instructed by the program.
The data is sent through the control panel PCB to reach the LCD.
10.1.5 Adjustment of the LCD Contact
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N
The machine is equipped with a density adjustment volume (VR6801) on its keypad PCB for use by the user to adjust the contrast of the LCD screen.
10.1.6 Adjustment of the LCD Contact
iR2230 / / / iR3530 /
The machine is equipped with a density adjustment volume (VR2) on its keypad PCB for use by the user to adjust the contrast of the LCD screen.
10.1.7 Functions of the Control Panel CPU
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N
- Monitoring the Key Inputs
It communicates the keypad and function key inputs to the CPU on the main controller PCB.
- Monitoring the Touch Panel Input
It communicates the key inputs made on the touch panel to the CPU on the main controller PCB.
- Controlling the Buzzer Sound
- Controlling the Control Panel LED
Memo:
the color LCD is driven by the main controller, and the control panel CPU PCB serves to relay the drive signals.
10.1.8 Functions of the Control Panel CPU
iR2230 / / / iR3530 /
- Monitoring the Key Inputs
It communicates the keypad and function key inputs to the CPU on the main controller PCB.
- Monitoring the Touch Panel Input
It communicates the key inputs made on the touch panel to the CPU on the main controller PCB.
- Controlling the Buzzer Sound
- Controlling the Control Panel LED
Memo:
the LCD is driven by the main controller, and the control panel CPU PCB serves to relay the drive signals.
10.2 Counters
10.2.1 Overview
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /
The machine is equipped with counters that keep track of printouts according to the type of printer unit. The counters are indicated in response to a press on the
Check key on the control panel. The following shows the functions of the counter as set at time of shipment from the factory.
Japan*1 ***
Japan*1 ****
120VTW *2
120V UL *3
230V *4
240V EUR *5
240V CA *6
<Guide to Symbols>
large: large-sized paper (in feed direction, 364 mm or longer; count x 1)
small: small-sized paper (in feed direction, 364 mm or less).
total: all (C + P); count x 1.
double-sided: in auto double-side copying count x 1; feed.
10-2
T-10-1
Counter 1 Counter 2 Counter 3
total 1 not not
indicated** indicated**
101 000 000
total 2 copy (total 2) total A (total
2)
102 202 127
total 1 total (large) copy (total 1)
101 103 201
total 1 total (large) copy (total 1)
101 103 201
total 1 total (large) copy (total 1)
101 103 201
total 1 total (large) total (small)
101 103 104
total 1 total (large) copy (total 1)
101 103 201
Counter 4 Counter 5 Counter 6
not not not
indicated** indicated** indicated**
000 000 000
not not not
indicated** indicated** indicated**
000 000 000
copy (large) not not
indicated** indicated**
203 000 000
copy (large) not not
indicated** indicated**
203 000 000
copy (large) not not
indicated** indicated**
203 000 000
scan (total 1) not not
indicated** indicated**
501 000 000
copy (large) not not
indicated** indicated**
203 000 000
0006-6164
0006-6161
0006-6165
0006-6162
0006-6166
0006-5378