Canon qy8-13az-000 service manual Troubleshooting by Symptom

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2-5. Troubleshooting by Symptom

	Symptom	Solution
Faulty operation	The power does not turn on.	- Confirm the connection of
	The power turns off immediately after	- the power cord, and
	power-on.	- between the logic board and the power supply unit.
		- Replace the
		- power supply unit, or
		- logic board.
	A strange noise occurs.	- Remove foreign material.
		- Attach a removed part if any.
		- Check the operation of the moving parts (such as purge unit,
		carriage unit, and paper feeding mechanism)
		- Replace a faulty part, if any.
	Nothing is displayed on the LCD.	- Confirm the connection between the operation panel, the LCD
		unit, and the logic board.
		- Replace the
		- LCD unit, or
		- logic board.
	A portion of the LCD is not displayed.	- Perform the button and LCD test in the service mode, and
		confirm that the LCD is displayed without any segments
		missing.
		- Confirm the connection between the operation panel, the
		scanning unit, and the logic board.
		- Replace the
		- LCD unit, or
		- logic board.
	Paper feed problems (multi-feeding, skewed	- Examine the inside to confirm that no parts are damaged, and
	feeding, no feeding).	the rollers are clean.
		- Remove foreign material.
		- Adjust the paper guide properly.
		- Re-set the paper.
		- Confirm the selected paper source.
		- Confirm that the rear cover fits in place properly (for paper
		feeding from the front feeder).
		- Confirm the connection of each harness and the logic board.
		- Replace the
		- sheet feeder unit,
		- ASF cover unit,
		- bottom case unit (for paper feeding from the front feeder), or
		- logic board.

Carriage movement problems (contact to other parts, strange noise).

Faulty scanning (no scanning, strange noise).

Unsatisfactory print quality No printing, or no color ejected.

1-8

-Confirm that the carriage timing slit strip film is free from damage or grease.

-Clean the carriage timing slit strip film (with ethanol and lint- free paper).

-Remove foreign material.

-Replace the

-carriage timing slit strip film, or

-carriage unit.

-Confirm the connection between the scanning unit and the logic board.

-Replace the

-scanning unit, or

-logic board.

-Confirm that the ink tanks are installed properly.

-Perform print head maintenance.

-Replace the

-ink tank,

Image 13

Contents Pixma MP510 Revision ScopeTrademarks Manual Outline II. Table of Contents Part 2 Technical Reference Adjustment MaintenancePeriodic maintenance Periodic replacement partsProduct Life Customer MaintenancePrint head Ink tank target valueSpecial Tools Part 1 1. MaintenanceSerial Number Location Operator Call Errors by Alarm LED Lit in Orange List of Error Display / IndicationPage Vbus Other Error MessagesLow ink Restrictions on paper USB cable not connected Troubleshooting by Symptom When enlarged in the paper feed direction When enlarged in the carriage movement directionPart 1 2. List of Error Display / Indication At replacement After replacementRepair Part 1 3. Repair 3-1. Notes on Service Part Replacement Side cover L2 and front cover L removal Special Notes on Repair ServicingSide cover R2 and front cover R removal Main case removal Scanner flexible cable attachment Timing sensor unit cable wiring Power supply unit cable wiring Carriage unit flexible cable wiringInk tube installation Emblem removal Platen link assemblyPart 1 3. Repair 3-2. Special Notes on Repair Servicing Paper feed motor adjustment Adjustment / SettingsCarriage rail adjustment Front feeder paper feed roller cleaning Document pressure sheet adjustmentAmount Part 1 3. REPAIR, 3-3 1 to Ink absorber replacement User mode Ink absorber counter settingService mode See Destination settings procedures below Ink absorber counter value to be set % Part 1 3. Repair 3-3. Adjustment / Settings 6 to Verification Items Service test printService test print sample Print sample Eeprom information printPart 1 3. Repair Verification Items Printed itemsMachine Transportation Part NEW Technologies Cleaning Mode and Amount of INK Purged Part 2 2. Cleaning Mode and Amount of INK Purged Normal Color Printing via Computer Print ModeBorderless Printing via Computer Normal Grayscale Printing via ComputerManual Duplex Printing via Computer Card / Camera Direct Printing Part 2 3. Print ModeCopying FAQ Problems Specific to the MP510 and Corrective Actions To the table of contents To the top Part 2 4. FAQ Appendix Pixma MP510 Block DiagramJ301 Print Head 1/3 Carriage Unit Signal name Function Connector Location and PIN LayoutSignal name Function Input Output Logic Board AssyJ501 LF Encoder Signal name Function J503 Power Supply Unit Input / Output J502 Ink Sensor / Ink Tank Sensor Signal name FunctionJ505 Asfpe Sensors Signal name Function Input Output J507 Main Cam Sensor Signal name Function Input /OutputJ702 LF Motor Signal name Function J701 Carriage Motor Signal name FunctionJ703 Purge Unit Motor Signal name Function J801 Scanner Unit Signal name Function J704 Scanner Motor Signal name FunctionJ901 Memory Card Signal name Function Input Output J902 USB 2.0 I/F Signal name Function Input Output Card Slot Board J1 Logic Board Signal name Function Input / OutputSmgnd J3 CompactFlash Signal name Function J301 Memory Card Board Signal name Function Input / Output J5 IrDA Board Signal name Function Input / OutputOperation Panel Board J2 LCD Unit Signal name Function Input / OutputCarriage Board Signal name FunctionPixma MP510 Specifications Copy ScannerDpof Direct printingPage Supported ink tanks Print head