Canon LBP7780CX User Manual page 923

<Cause> Data which this printer cannot process is included in TIFF data or JPEG data.
This printer cannot print the data. Press [
Solution
Insert fixing unit.
<Cause> The fixing unit is not installed or is not installed properly.
Solution 1 Open the right cover and check if the fixing unit is installed.
Install the fixing unit again. If the message appears even after installing the fixing unit again, contact your
Solution 2
local authorized Canon dealer for servicing.
Key management file is corrupt or deleted.
<Cause> The file related to key management is broken.
Perform the following procedure.
1. 6HOHFW >1HWZRUN@
[SSL] is set to [Off].
2. Restart the printer, and then regenerate the key and certificate and specify the settings for SSL
Solution
from the Remote UI.
3. Restart the printer.
Load paper.
<Cause> Paper of the size specified in the application is not loaded in the paper source (in all the
paper sources when [Paper Source] is set to [Auto] and in the specified paper source when the setting
is fixed).
Solution 1 Refill or load paper.
Press [
Solution 2
larger paper size.
"Paper Loading and Output"
Not enough display list memory. <Auto Error Skip>
<Cause> The memory required for processing has run out and overflowed.
Press [
Solution 1
printed.
Perform the following procedure.
1. Perform a soft reset.
Solution 2
2. After the soft reset, either performs a hard reset or turns the printer back ON, increase memory
capacity and prints again. (All data in the memory will be erased.)
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"Setting Keys and Certificates"
] ( : Feeder Selection), and then select other paper source for the same paper size or
] (: Online ) to continue printing. However, the job with which an error has occurred is not
"Canceling the Process Currently Being Performed (Soft Reset)"
"Canceling All the Jobs (Hard Reset)"
] ( : Online) to cancel the job.
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