HP LaserJet Pro M201

Print the event log

1. Make sure the product is in the ready state.
2. From the Home screen on the product control panel, touch the Setup button.
3. Touch the left arrow button, and then quickly touch the Cancel button.
4. The product returns to the Ready state. touch the Setup button to reopen the menus
5. Touch the 2ndary Service menu.
6. Touch the Service Reports menu.
7. Touch the Error Report item.

Show an event log

You can use HP Device Toolbox to view the event log from a computer.

NOTE: This tool is available only if you performed a full installation when you installed the product.

1. Click the Start button, and then click the Programs item.
2. Click your HP product group, and then click the HP Device Toolbox item.
3. Click the Home tab, and then click the Event Log item. The event log shows a list of all product events and errors.

Event log messages

The following table contains any event log codes for this product that correspond to a control-panel error message. To resolve these events, consult the control panel error message.

Event code	Description	Solution
13.0000	Paper jam
20.0000	Memory out
21.0000	Page misfeed or mispick
41.2000	Beam detect malfunction
41.3000	Unexpected size
50.0000	Fuser error
50.1000	Low fuser temperature error
50.3000	High fuser temperature error
50.4000	Fuser drive circuit error
51.0000	Beam detect or laser error
52.0000	Engine laser scanner error
55.3000	Engine-formatter communication error
55.4000	Engine communication timeout error
57.0000	Fan motor error
57.0600	Fan motor error
Event-log-only messages
50.2000	Slow fuser error
50.7000	Fuser open error
	Low sub-thermistor fuser error
	High sub-thermistor fuser error
51.2000	Black scanner laser error (inline devices only)
54.0100	Environmental sensor error	Verify that the DC controller connectors are firmly connected. If the error persists, replace the temperature/humidity sensor. If the error persists, replace the DC controller.
54.0600	Density sensor error	Verify that the cables between the DC controller is firmly connected.
54.1100	Black density out of range	If the error persists, replace the color misregistration sensor.
54.1200	Black density measurement abnormality	If the error persists, replace the DC controller.
54.1599	Black CPR pattern cannot be read1	1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. Turn on the power and wait for the product to initialize. If the error persists, verify that the cables between the color misregistration sensor and the DC controller are firmly connected. If the error persists, replace the color misregistration sensor. If the error persists, replace the toner cartridge tray. If the error persists, replace the DC controller.
54.1800	Black toner level sensor error	1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. Turn on the power and wait for the product to initialize. If the error persists, replace the DC controller.
54.2100	Beam detect (BD) error	If the error persists, replace the DC controller. If the error persists, replace the product.
54.2500	Top-of-page sensor error	Verify that the DC controller connectors are firmly connected. If the error persists, replace the DC controller.