Pcbs; Opening The Caps And Moving The Wiper Unit - Canon iPF700 Series Service Manual

Chapter 4
- Service mode : SERVICE MODE > ADJUST > SENSOR CALIB
Test chart : CL-7( Tool No. : FY9-9323 Use anew chart.)
- Service mode : SERVICE MODE > ADJUST > PRINT PATTERN > OPTICAL AXIS
Media type : Photo glossy paper
Media size : Media having a width equal toor larger then that of A1-size paper

4.3.14 PCBs

Do not replace the main controller PCB and maintenance cartridge relay PCB(ROM board) at the same time.
These PCBs store important data such as settings and carriage drive time. Before replacement of enther PCB, the data stored in it is move to the other PCB through
internal communication so that it can be taken over to the new PCB automatically. This is the reason whey the two PCBs should not be replaced at the same time.
If you want to replace both PCBs at the same time, first carry out the procedure "a" and then carry out the procedure "b".
After replacing whth the maintemance controller PCB or maintenance cartridge relay PCB which are supplied as service parts, check that the firmware to the latest
version.
a) Procedure for replacing the maintenance cartridge relay PCB(ROM board)
1) Turn off the printer and unplug the power cord.
2) Replace the maintenance cartridge relay PCB.
3) Plug the power cord to the outlet, and then turn on the printer whth the PAPER SOURCE button and INFORMATION button pressed down. (The printer will
start up in the PCB Replacement mode.)
4) Check that "Initializing" appears on the display, and then release the buttons. (When the printer enters the PCB Replacement mode, the message lamp goes on.)
5) What until "REPLACE MODE" appears on the display.
6) Select "MC BOARD", and then press the ok button
7) Check that "TURN POWER OFF" appears on the display, and then turn off the printer.
8) Turn on the printer.
9) Check the firmware version. If the firmware is not the latest version, update.
b) Procedure for replacing the main controller PCB
1) Turn off the printer and unplug the power cord.
2) Replace the main controller PCB.
3) Plug the power cord to the outlet, and then turn on the printer whth the PAPER SOURCE button and INFORMATION button pressed down. (The printer will
start up in the PCB Replacement mode.)
4) Check that "Initializing" appears on the display, and then release the buttons. (When the printer enters the PCB Replacement mode, the message lamp goes on.)
5) What until "REPLACE MODE" appears on the display.
6) Select "CPU BOARD", and then press the ok button
7) Check that "TURN POWER OFF" appears on the display, and then turn off the printer.
8) Turn on the printer.
9) Check the firmware version. If the firmware is not the latest version, update.

4.3.15 Opening the Caps and Moving the Wiper Unit

The procedures for manually opening the caps and ink supply valves are presented below.
The carriage lock pin and caps need to be released manually if moving the carriage when the power is turned off. For details on the sensors and flags, refer to TECH-
NICAL REFERENCE > Detection Functions Based on Sensors.
1. Opening the caps and releasing the carriage lock pins
1) Remove the right side cover, right rear cover, and right upper cover.
2) Turn the gear[1] of the purge unit in the direction of the arrow. The cap[2] and lock pin[3] move down, allowing you to move the carriage.
2. Retracting the cap
If the purge unit cannot be removed because it is caught by the lower side of the cap[2] extending from the bottom of the purge unit, rotate the purge gear[1] of the
purge unit as follows and retract the cap[2].
1) Remove the right side cover, right rear cover and right upper cover.
2) Rotate the purge gear[1] in the clockwise direction.
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[3]
[2]
[1]
F-4-34
0013-5637
0013-9674