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Canon MF7280 imageCLASS MF7280 Reference Guide - Page 256

Reducing the Frequency of Paper Jams

UPC - 013803056129

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Reducing the Frequency of Paper Jams If paper jams occur frequently, when there is no apparent problem with the machine, either one of the following two reasons may be the cause. Follow the instructions described below to reduce the frequency of paper jams. ■ There are torn pieces of paper left inside the machine. Pulling jammed paper out of the machine by force may leave torn pieces of paper left inside, leading to frequent paper jams. If paper tears while you are trying to remove jammed paper from the machine, make sure that you remove all torn pieces as well. ■ The paper-size detecting lever is set incorrectly. Make sure that the paper-size detecting lever located on the left side of a paper drawer matches the size of the paper loaded in the paper drawer. If the paper-size detecting lever is set incorrectly, paper jams may occur more frequently. (See "Adjusting a Paper Drawer to Hold a Different Paper Size," on p. 6-7.) 7 Troubleshooting 7-2 Reducing the Frequency of Paper Jams

Section	Page
Manuals for the Machine	3
How This Manual Is Organized	4
Contents	5
Preface	10
How to Use This Manual	10
Symbols Used in This Manual	10
Keys Used in This Manual	11
Displays Used in This Manual	11
Operations and Terms Used in This Manual	12
Legal Notices	14
FCC (Federal Communications Commission)	14
Laser Safety	15
International Energy Star-Program	16
Trademarks	16
Copyright	17
Disclaimers	17
Legal Limitations on the Usage of Your Product and the Use of Images	18
Customer Support	19
For Canadian Users	19
Important Safety Instructions	20
Installation	20
Power Supply	21
Handling	22
Maintenance and Inspections	24
Consumables	26
Other Warnings	26
Before You Start Using This Machine	27
Installation Location and Handling	28
Installation Precautions	28
Handling Precautions	34
Parts and Their Functions	37
External View	37
Feeder	38
Internal View	39
Control Panel Parts and Functions	40
Main Power and Control Panel Power	41
How to Turn ON the Main Power	41
Control Panel Power Switch	46
System Settings	47
Basic Operations	48
What This Machine Can Do	49
Overview of the imageCLASS MF7280	52
Switching the Functions Indicated on the Touch Panel Display	52
Specifying Settings	54
Functions That Conserve Power	55
Checking, Changing, and Canceling Print Jobs	56
Other Useful Functions	58
Using the Touch Panel Display	60
Frequently Used Keys	60
Touch Panel Key Display	61
Adjusting the Brightness	62
Entering Characters from the Touch Panel Display	63
Alphanumeric Characters	63
Symbols	65
Values in Inches	67
Entering the Department ID and Password	68
Using the User ID Management	71
Making Prints Using the Stack Bypass	75
Multi-functional Operations	88
Available Paper Stock	90
Customizing Settings	92
What Are Additional Functions?	94
Accessing the Additional Functions Screen	94
Additional Functions Settings Table	96
Specifying Common Settings	106
Initial Function at Power ON	106
Default Display after Auto Clear	109
Tone Settings	111
Setting the Toner Save Mode	113
Printer Density	114
Inch Entry	115
Auto Paper Selection/Auto Drawer Switching	117
Identifying the Type of Paper in a Paper Source	120
Energy Consumption in the Sleep Mode	123
Standard Paper for the Stack Bypass	125
Paper Feed Method	131
Changing the Language Shown on the Touch Panel Display	132
Reversing the Contrast of the Touch Panel Display	134
Displaying a Feeder Error Message Prompt	135
Returning the Common Settings to Their Defaults	137
Timer Settings	139
Current Date and Time	139
Auto Sleep Time	144
Auto Clear Time	145
Cleaning and Adjusting the Machine	147
Cleaning	147
Improving Print Quality and Density (Special Mode M)	148
Preventing Paper Curls or Jams (Special Mode N)	150
Preventing Paper Jams in the Two-Sided Mode (Special Mode O)	151
Using Lightweight Paper (Special Mode P)	153
Setting the Bond Special Fixing Mode	155
Cutting Down Waiting Time for a Next Job (Special Mode S)	156
Feeder Smudge Adjustment	158
Checking Job and Device Status	160
Checking the Serial Number	161
Checking Job Status	162
Copy/Print Job Details	167
Canceling Copy/Print Jobs	169
System Manager Settings	171
Specifying the System Manager Settings	172
Department ID Management	176
Registering the Department ID, Password, and Page Limit	177
Changing the Password and Page Limit	183
Erasing the Department ID and Password	187
Checking and Printing Counter Information	189
Clearing Page Totals	193
Accepting Print Jobs with Unknown IDs	196
Device Information Settings	198
Managing User IDs	200
Remote UI	202
Restricting Access to Destinations	204
Restricting the New Addresses	204
Restricting PC Faxing	207
Checking the Job Log	209
Restricting the USB Interface Port	211
Displaying Department ID/User Name	213
Routine Maintenance	215
Paper Drawers	216
Loading Paper	216
Adjusting a Paper Drawer to Hold a Different Paper Size	221
Feeder	226
Replacing the Stamp Cartridge	226
Replacing the Cartridge	228
Routine Cleaning	237
Platen Glass and Underside of the Feeder	238
Manual Feeder Cleaning	239
Transfer Roller Cleaning	244
Fixing Unit Cleaning	246
Automatic Feeder Cleaning	251
Consumables	253
Troubleshooting	255
Reducing the Frequency of Paper Jams	256
Clearing Paper Jams	257
Screens Indicating the Locations of Paper Jams	257
Fixing Unit (Inside the Main Unit)	260
Duplex Unit	264
Feeder	267
Stack Bypass	271
Paper Drawer 1	273
Paper Drawer 2	277
List of Error Messages	280
Self-Diagnostic Display	280
List of Error Codes without Messages	282
If Memory Becomes Full during Scanning	284
Service Call Message	285
If You Cannot Solve the Problem	287
Appendix	288
Report Samples	289
User's Data List	289
Department ID List	289
Specifications	290
Main Unit	290
Relationship between Original Orientation and Preprinted Paper Output Chart	294

Match case Limit results 1 per page

Reducing the Frequency of Paper Jams

7-2

Troubleshooting

Reducing the Frequency of Paper Jams

If paper jams occur frequently, when there is no apparent problem with the

machine, either one of the following two reasons may be the cause. Follow the

instructions described below to reduce the frequency of paper jams.

■

There are torn pieces of paper left inside the machine.

Pulling jammed paper out of the machine by force may leave torn pieces of paper left

inside, leading to frequent paper jams. If paper tears while you are trying to remove

jammed paper from the machine, make sure that you remove all torn pieces as well.

■

The paper-size detecting lever is set incorrectly.

Make sure that the paper-size detecting lever located on the left side of a paper drawer

matches the size of the paper loaded in the paper drawer. If the paper-size detecting lever

is set incorrectly, paper jams may occur more frequently. (See "Adjusting a Paper Drawer

to Hold a Different Paper Size," on p. 6-7.)