Canon iR3570 Series, Service Manual

Page: 547 / 722

Chapter 14
14-19
14.2.2 Malfunction
14.2.2.1 No Power
14.2.2.1.1 Upon installation, machine does not start up / LCD does not come on although main power indicator on control panel lights up:
Poor connection of ROM/RAM
0008-3477
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530
[ Inspected by Canon Inc. ]
Field Remedy
In inspection, reinsertion of the ROM corrected the symptoms. If any of the symptoms mentioned above occurs during installation, reinsert the BOOTROM or the
RAM.
14.2.2.1.2 Progress bar stops at midpoint and machine fails to start/Unable to power-on: Because J1016 connector is broken
0009-9821
iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / / iR3530 / / / /
[ Inspected by Canon Inc. ]
Description
In the field, the symptom occurred because the J1016 connector on the Main Controller PCB (for the cable connecting to the reader assembly) was broken.
Field Remedy
When the symptom occurs, check the connector for breakage. If it is broken, replace the Main Controller PCB with a new one.
FM2-3226 Main Controller PCB Assembly
14.2.2.1.3 LCD on control panel does not display anything upon installation: Because Main Controller PCB is faulty
0009-9822
iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / / iR3530 / / / /
[ Inspected by Canon Inc. ]
Description
As a result of inspection, it was found that the symptom was solved by replacing the main controller PCB with a new one.
Field Remedy
When the symptom occurs, reinsert the connectors on the Main Controller PCB, the BootROM and the RAM. If the symptom still occurs, replace the Main
Controller PCB with a new one.
FM2-3226 Main Controller PCB Assembly
14.2.2.1.4 No power/machine does not start up/LCD displays nothing: Because Main controller PCB is faulty
0010-5007
iR2270 / iR2870 / iR3570 / iR4570 / / / / / iR2230 / / / iR3530 / / / /
[ Inspected by Canon Inc. ]
Description
When the startup screen does not appear on the LCD although the main power indicator on the control panel comes on, follow the procedure below.
Field Remedy
Remove the rear cover, and then check if the registers R64 (Fig.[3]), R65 (Fig.[4]), and R66 (Fig.[5]) on the main controller PCB remain supplied with 3.3V
in a state in which the main power switch is turned ON.
a. If 3.3V is not applied to either of the above-mentioned resisters, and the resister remains supplied with nearly 0V, follow the procedure below:
F-14-15
1. Hold down the control panel switch for more than 3 sec., press the Start key on the LCD, and then turn the main power switch OFF referring to the instruction
displayed on the LCD.
2. Connect the resister switch board (Fig.[6]: FH9-0807) to the connector J1013 (Fig.[7]) on the main controller PCB.