AcuLaser M4000 Series
User's Guide
Using the Control Panel
89
ROM CHECK
The printer is checking the ROM.
SELF TEST
The printer is currently performing a self test and initialization.
Service Req Cffff/Service Req Exxx
A controller error or a print engine error has been detected. Turn off the printer. Wait at least 5
seconds, then turn it back on. If
Service Req E300
appears, confirm that the fuser unit is installed
correctly. If the error message still appears, write down the error number listed on the LCD panel
(
Cffff
/
Exxx
), turn off the printer, unplug the power cord, then contact a qualified service
representative.
Sleep
The printer is currently in the power-save mode. This mode is canceled when the printer receives
print data.
Stacker Error yyy
The Stacker was removed while the power is on. Switch the power off, reinstall the Stacker, then
switch the power on again.
Stacker Full
The output paper at the Stacker is full. Remove the paper that was output and press the
Start/Stop
button. Printing resumes.
Status Sheet Printing
The printer is printing the status sheet.
Toner Cart Error
A read/write error has occurred for the imaging cartridge. Remove the imaging cartridge and
reinsert it. If that fails to clear the error, replace the imaging cartridge.
To install the imaging cartridge, see “Imaging Cartridge” on page 122.