HP laserjet 2015 series Servicehandbuch

The printer is on, but the control panel lights indicate that the printer is not in the "ready" state.

The printer is not "ready."

Cause

Solution

The printer has an internal error that was detected during
the power-on self-test sequence.

Consult the list of control panel light patterns to identify and
correct the error.

The printer turns on, the motor rotates, and the control panel indicates the "ready" state, but the printer does not
print.

The printer does not print.

Cause

Solution

A printer component is defective.

Perform an engine test to verify print-engine components.

Press the engine test switch to print an engine test.

If the engine test page does not print, check all of the
connectors on the ECU and reconnect any cables that
are connected incorrectly.

If, after checking the connectors, the error persists,
replace the ECU.

The formatter is defective.

Press the

button to print a Demo page. If the Demo page

does not print, replace the formatter.

The printer prints the engine test and the Demo page, but does not print jobs sent from a computer.

The printer does not print from a computer.

Cause

Solution

The cable is not connected correctly.

Reconnect the cable.

An incorrect printer driver is selected.

Select the correct printer driver.

The printer driver is not installed correctly.

Uninstall and then reinstall the printer software. Make sure
that you use the correct procedure and port setting.

Other devices are connected to the printer (for example,
through a switch or hub) that are interfering with the
computer-printer communications.

Disconnect the other devices, switches, or hubs.

There is a computer-port communications problem.

Reset the computer port settings (see the computer user
guide for more information).

The formatter is defective.

Replace the formatter.

Table 7-1

Basic problem solving (continued)

ENWW

Basic problem solving

139