Canon PC 140 Adjusting the copy exposure manually

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Darke

r

Lighte

r

 

Exposure recalibration switch

Darker

Lighter

To make darker copies, move the switch upward. To make lighter copies, move the switch downward.

If this does not produce the desired results, follow the procedure below.

Adjusting the copy exposure manually

When the auto exposure control mode fails to produce a clear copy due to an unusual original type, it may be necessary to adjust the copy exposure manually depending on the original.

Press the key to switch to manual exposure control mode.

The A indicator lamp will no longer be lit.

AE A

Lighter Darker

Make sure the A indicator goes out.

Adjust the exposure level by sliding the exposure adjustment lever.

To darken the exposure, slide the lever to the right.

To lighten the exposure, slide the lever to the left.

Guidelines for exposure level

adjustment

Ordinary Originals :Slide the lever to the center

Originals with a Dark Background :

Lighten the exposure by sliding the lever to the left

Light Originals : Darken the exposure by sliding the lever to the right

NOTICE:

The exposure adjustment lever can not be used while the auto exposure control mode is set.

The lever can only be used after the key has been pressed and the A Indicator is no longer lit.

When making color copies, lighten the copy exposure manually to avoid the dark shading that appears when color copies are made in the auto exposure mode.

Operating Procedure

2

Normal Copying

33

Image 35
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 Power Supply Safety ConsiderationsInstallation Handling Maintenance and Inspection Consumables Handling Precautions Installation Precautions On p Transporting the CopierCarrying the Copier by the Carrying Handle Carrying the Copier by the Sides Transporting Copier by Car Main Unit Parts and Their FunctionsTop Cover Control Panel Error indicationsInstallation Procedure Installing the CopierChecking the Package Contents About the Cartridge Storingoring CartridgesrtridgesTest your cartridge before replacing it When to Replace the CartridgeSlide the platen to the left until the mark is exposed Replacing CartridgesApproximate copy yield 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 cartridgesVarious Ways to Copy Operating ing Procedure ProcedureNormal Copying Press the key Turn the copier’s power switch onNormal Copying Making 10 or more Continuous Copies The F Mode Positioning Originals Adjusting the Copy ExposureAdjustment using exposure recalibration switch 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 CopyPosition the first original onto the platen glass Making Two-sided CopiesIf transparencies do not feed smoothly 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