Canon PC 140 manual Paper jams occur frequently, White streaks appear on copies

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Problem	Possible Cause	Possible Remedy

Paper jams occur frequently.	The copy paper is curled or wrinkled.	Use flat, unwrinkled copy paper.

	Pieces of paper remain jammed in the main	Remove the pieces of jammed paper.
	unit.

	The feeding roller is dirty.	Clean the feeding roller. (See p.46.)
White streaks appear on copies.	The toner in the cartridge is not evenly	Evenly distribute the cartridge toner.
	distributed.	(See p.50.)

Black streaks appear on copies.	The fiber lens is dirty.	Clean the fiber lens. (See p. 50.)

Copies are completely black.	There is condensation in the main unit.	Wait two hours for the copier to adjust to
		room temperature.

MEMO:

•If the above remedies fail to solve a problem, contact your Canon authorized service representative.

Troubleshooting

3

There isWhat to

a MalfunctionDo If

You Suspect

49

Image 51

Contents Operators Manual Preface Symbols Used in This Operator’s Manual Important Safety InstructionsPage Table of Contents Canon Information Center in Canada Supplies & AccessoriesTransparencies Power Cord Telephone Assistance USA1Gettinging StartedStarted Safety Considerations InstallationPower Supply Handling Maintenance and Inspection Consumables Handling Precautions Installation Precautions Transporting the Copier Carrying the Copier by the Carrying HandleOn p Carrying the Copier by the Sides Transporting Copier by Car Main Unit Parts and Their FunctionsTop Cover Control Panel Error indicationsInstalling the Copier Checking the Package ContentsInstallation Procedure About the Cartridge Storingoring CartridgesrtridgesTest your cartridge before replacing it When to Replace the CartridgeReplacing Cartridges Approximate copy yieldSlide the platen to the left until the mark is exposed Getting Started Cartridge Handling Precautions Recycling used cartridges Cartridge Storing PrecautionsCanon Cartridge Recycling Program Clean Earth CampaignOption C Multiple Box Return Option B Volume Box ReturnMaximum weight = 70 pounds Maximum Option a Single Box ReturnOK-CANON Residents of Alaska and HawaiiOption a UPS Pick-up Option B UPS Drop offCanada Program Option B Volume Box Return 8 or more cartridgesOperating ing Procedure Procedure Normal CopyingVarious Ways to Copy Turn the copier’s power switch on Normal CopyingPress the key Making 10 or more Continuous Copies The F Mode Adjusting the Copy Exposure Adjustment using exposure recalibration switchPositioning Originals Press the key to switch to manual exposure control mode Adjusting the copy exposure manuallyUnsuitable copy stock Setting copy paperAbout Copy Stock Suitable copy stockPostcards Transparencies* Other Stock Various Ways to CopyMaking Two-sided Copies If transparencies do not feed smoothlyPosition the first original onto the platen glass Make a copy of the second original Copying Thick Books or Large OriginalsMaking Two-color Copies Key ABCMemo When Error Indicators Appear TroubleshootingbleshootingWhen Flashes When Error Indicators AppearWhen Letters or Numbers Light Up / Flash Clearing Paper Jams When Flashes Removing jammed paper Align the platen with the mark by sliding it to the left Cleaning the Paper Roller When the Error Indicator flashesTroubleshooting No copy image appears on copies What to Do If You Suspect There is a MalfunctionCopier will not operate During copyingCopies are completely black Paper jams occur frequentlyWhite streaks appear on copies Black streaks appear on copiesIf Dark Bands/ Black Streaks Appear on Copies Copy Image ProblemsCleaning the fiber lens top side If Light Bands/ White Streaks Appear on CopiesCleaning the fiber lens reverse side Troubleshooting Ppendix dix Cleaning the Copier Routine Cleaning SpecificationsCleaning the Copier Clean the external housing of the copier in the same way Routine CleaningSpecifications Index Auto Indicator17, 43