Change the toner cartridge

77

Memory

79

Update the firmware

80

Manually update the firmware (LCD control panel)

80

Manually update the firmware (touchscreen control panel)

80

Set the product to automatically update the firmware (LCD control panel)

80

Set the product to automatically update the firmware (touchscreen control panel)

81

5 Solve problems

83

Solve problems checklist

84

Step 1: Make sure that the product is set up correctly

84

Step 2: Check the cabling or wireless connection

84

Step 3: Check the control panel for error messages

85

Step 4: Check the paper

85

Step 5: Check the software

85

Step 6: Test print functionality

85

Step 7: Check the toner cartridge

85

Step 8: Try sending a print job from a computer

85

Restore the factory-set defaults

86

Restore the factory-set defaults (LCD control panel)

86

Restore the factory-set defaults (touchscreen control panel)

86

Control panel help system

87

Interpret control panel messages

88

Control panel message types

88

Control panel messages

88

10.x000 Supply Error

88

49 Error Turn off then on

88

50.x Fuser Error Turn off then on

89

51.XX Error Turn off then on

89

54.XX Error Turn off then on

89

55.X Error Turn off then on

89

57 Fan error Turn off then on

90

59.X Error Turn off then on

90

79 Error Turn off then on

90

79 Service error Turn off then on

91

Black cartridge low

91

Black cartridge very low

91

Cleaning

91

Device error Press [OK]

92

Door open

92

Genuine HP supply installed

92

vi

ENWW

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HP M475DW PRO 400 CE864A#BGJ, 400 CE956A, 400 M401N Laser CZ195A#BGJ manual Solve problems