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EPSON AcuLaser C4000  Quick Reference
Manual Feed xxx
The manual feed mode is specified for the 
current print job. Make sure the paper size 
indicated by xxx is loaded, then press the N 
Start/Stop
 button. 
For details on the manual feed mode, see 
“Manually feeding paper” in the Reference 
Guide. 
Mem Overflow
The printer has insufficient memory to 
execute the current task. Press the N 
Start/Stop
 button on the control panel to 
resume printing. Or press the q Job Cancel 
button to cancel the print job. To prevent this 
problem from happening again, decrease the 
printing resolution or add more memory to 
your printer as described in “Memory 
Modules” in the Reference Guide.
Menus Locked
This message appears if you try to change 
the printer’s settings through the control 
panel when the buttons are locked. You can 
unlock them by using the EPSON WinAssist 
or WebAssist utility. Refer to the 
Administrator’s Guide for information.
M Toner Cart Out
See “XXXX Toner Cart Out.” 
M Toner Low
See “XXXX Toner Low.” 
M Toner Out
See “XXXX Toner Out.” 
Need Memory
The printer has insufficient memory to 
complete the current print job. Cancel 
printing by deleting it from the print queue 
on your computer, or by pressing the q Job 
Cancel button on the printer.
To clear this error message, select Clear 
Warning from the control panel’s Reset 
Menu. For instruction about accessing the 
control panel menus, see “How to access the 
control panel menus.” 
To prevent this problem from happening 
again, add more memory to your printer as 
described in “Memory Modules” in the 
Reference Guide.
Offline
The printer is not ready to print. Press the N 
Start/Stop
 button. 
Optional RAM Error
The read/write error occurs when the 
printer is checking the optional memory 
module in the memory slot S1. The access 
speed of the memory module is too slow or 
the memory module might be broken.
To clear this error, turn the printer off and 
remove the optional memory module, then 
turn the printer on.
Paper Out XXX YYY
There is no paper in the specified paper 
source (XXX). Load paper of the indicated 
size (YYY) into the paper source.