HP LaserJet M1120 Service Manual - Page 151

Service-mode functions, NVRAM initialization, Secondary service menu

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Service-mode functions NVRAM initialization An NVRAM initialization returns the device settings to the factory-set defaults. 1. Turn off the product. 2. Press and hold both the Start Copy button and the Cancel button, and then turn on the product. 3. Wait until the message Permanent storage init. appears, and then release the buttons. When the NVRAM initialization process finishes, the product control panel shows the Ready message. Super NVRAM initialization The super NVRAM initialization clears all settings affected by a regular NVRAM initialization, and also clears the product language and country/region settings. Both settings must be reset after a super NVRAM initialization. 1. Turn off the product. 2. Press and hold both the right arrow button and the Cancel button, and then turn on the product. 3. Wait until the message Permanent storage init. appears, and then release the buttons. When the process finishes, the product control panel shows the Ready message. Secondary service menu Use this menu to perform various tests and print out special reports. Open the secondary service menu 1. Press the Setup button. 2. Simultaneously press and then release both the left arrow button and the OK button. 3. Press the OK button. 4. Use the arrow buttons to select the desired secondary-service option, and then press the OK button. 5. Use the arrow buttons to select the desired submenu option, and then press OK . 6. After making the necessary menu item choices, wait for the product to enter the Ready state, and then press Cancel to close the secondary service menu. Menu item Service Reports Submenu Cont. Self-Test Cont. Copy Extended Keymap Error Report Description The continuous self-test prints the configuration page repeatedly until you press Cancel. Run a continuous copy test to test the copy function. Print the extended keypad map to see all the characters associated with the alphanumeric keys. Print the error report to see firmware errors. ENWW Service-mode functions 135

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Service-mode functions
NVRAM initialization
An NVRAM initialization returns the device settings to the factory-set defaults.
1.
Turn off the product.
2.
Press and hold both the
Start Copy
button and the
Cancel
button, and then turn on the product.
3.
Wait until the message
Permanent storage init.
appears, and then release the buttons.
When the NVRAM initialization process finishes, the product control panel shows the
Ready
message.
Super NVRAM initialization
The super NVRAM initialization clears all settings affected by a regular NVRAM initialization, and also
clears the product language and country/region settings. Both settings must be reset after a super
NVRAM initialization.
1.
Turn off the product.
2.
Press and hold both the right arrow button and the
Cancel
button, and then turn on the product.
3.
Wait until the message
Permanent storage init.
appears, and then release the buttons.
When the process finishes, the product control panel shows the
Ready
message.
Secondary service menu
Use this menu to perform various tests and print out special reports.
Open the secondary service menu
1.
Press the
Setup
button.
2.
Simultaneously press and then release both the left arrow button and the
OK
button.
3.
Press the
OK
button.
4.
Use the arrow buttons to select the desired secondary-service option, and then press the
OK
button.
5.
Use the arrow buttons to select the desired submenu option, and then press
OK
.
6.
After making the necessary menu item choices, wait for the product to enter the Ready state, and
then press
Cancel
to close the secondary service menu.
Menu item
Submenu
Description
Service Reports
Cont. Self-Test
The continuous self-test prints the configuration page
repeatedly until you press
Cancel
.
Cont. Copy
Run a continuous copy test to test the copy function.
Extended Keymap
Print the extended keypad map to see all the characters
associated with the alphanumeric keys.
Error Report
Print the error report to see firmware errors.
ENWW
Service-mode functions
135