- HP Laserjet Enterprise CP4020/CP4520 Manual

Description Recommended action
Incorrect The PIN is incorrect. Use the up arrow and down arrow
buttons to enter the correct PIN.
Initializing The product is starting. No action is necessary. Please wait until the
Ready message appears on the display.
Initializing permanent storage Displayed when the product is turned on to
show that permanent storage is being
initialized.
No action is necessary.
INSTALL <COLOR> CARTRIDGE The print cartridge has been removed or has
been installed incorrectly.
Replace or reinstall the print cartridge
correctly to continue printing. See
Print
cartridges on page 74.
INSTALL FUSER The fuser has been removed or installed
incorrectly.
CAUTION: The fuser can be hot while the
product is in use. Wait for the fuser to cool
before handling it.
1. Open the right door.
2. Install or adjust the fuser.
3. Close the right door.
INSTALL SUPPLIES More than one supply is missing or is installed
incorrectly.
Press the OK button to identify which supplies
need to be replaced. Press the OK button a
second time for more information about the
specific supply. Insert the supply item or
make sure the installed supply item is fully
seated.
INSTALL TRANSFER UNIT The transfer unit has been removed or
installed incorrectly.
1. Open right door.
2. Install the transfer unit.
3. Close the right door.
4. If the error persists, use the manual
sensor test to check the ITB alienation
sensor (SR9). See
Manual sensor test
(special-mode test) on page 246. This
sensor also detects the presence of the
ITB.
5. Reconnect the ITB alienation sensor
connector J78, and the connector J127
on the DC controller PCA.
INSUFFICIENT MEMORY TO LOAD
FONTSDATA
The product does not have enough memory
to load the data (for example, fonts or
macros) from the location specified.
To continue without this information, press
the OK button . If the message persists, add
more memory.
Internal Disk Not Functional The internal disk is not working correctly. Replace the internal hard drive. See Hard
drive on page 79.
LOAD TRAY 1 [TYPE] [SIZE] Tray 1 is empty. Load Tray 1 with the requested paper.
If the paper is already in the Tray 1, press the
help button
, and then press the OK button
to print.
To use another tray, remove paper from Tray
1, and then press the OK button to continue.
Table 3-14 Control-panel messages (continued)
362 Chapter 3 Solve problems ENWW