Problem
Causes
Solutions
When using On Hook Dial,
"Receiving..." appears and
transmission is not allowed.
If the machine fails to detect
the size of the original when
the [B&W Start] key is
pressed, it performs a
receiving operation.
Press [Scan Size] in [Scanner Settings],
select the scan size, and then resend the
document.
LAN-Fax Driver does not
work.
The entered login user
name, login password, or
driver encryption key is
incorrect.
Check your login user name, login
password, or driver encryption key,
and then enter them correctly. For
details, contact your administrator.
Reception
Problem
Causes
Solutions
Cannot receive files.
The telephone line may be
disconnected.
Check if the telephone line is properly
connected to the machine. For details,
see Setup Guide.
The Receiving File indicator
lights up and the received
document is not printed.
The machine cannot print
because it is out of paper or
toner.
• Load paper into the tray.
• Add toner.
• The paper tray does not contain
paper of the right size. Load paper
of the right size in the paper tray.
The machine does not print
received fax documents.
[Fax Settings] is configured
to store received
documents.
Print the fax documents using Web
browser or the Print Stored RX File
function. For details about printing
received faxes stored in memory,
page 209 "Printing out faxes stored in
memory" and page 282 "Fax Tab".
The machine failed to print
received fax documents.
The paper has run out.
Load paper into the tray.
10. Troubleshooting
388
Summary of Contents for M C251FW
Page 2: ......
Page 23: ...3 2 1 ECC105 Interior ECC106 4 3 2 1 Guide to Components 21 ...
Page 45: ...Deleting characters 1 Press to delete characters Entering Characters 43 ...
Page 48: ...1 Guide to the Machine 46 ...
Page 82: ...2 Paper Specifications and Adding Paper 80 ...
Page 100: ...3 Printing Documents 98 ...
Page 124: ...4 Copying Originals 122 ...
Page 170: ...5 Scanning Originals 168 ...
Page 216: ...6 Sending and Receiving a Fax 214 ...
Page 270: ...7 Configuring the Machine Using the Control Panel 268 ...
Page 346: ...6 Close the ADF cover 9 Maintaining the Machine 344 ...
Page 360: ...Main unit DUE292 1 3 2 1 DUE288 2 DUE289 10 Troubleshooting 358 ...
Page 361: ...3 DUE290 Waste toner bottle ECC168 Paper feed unit DUE320 1 Removing Paper Jams 359 ...
Page 440: ...12 Appendix 438 ...
Page 445: ...MEMO 443 ...
Page 446: ...MEMO 444 EN GB EN US EN AU M0EQ 8504A ...
Page 447: ......
Page 448: ...EN GB EN US EN AU M0EQ 8504A 2021 2022 Ricoh Co Ltd ...