HP m433, m436 Service Manual
Service Manual
M433a/M436n/M436dn M436nda
LaserJet MFP M433a, M436n, M436dn, M436nda
www.hp.com/support/ljM436MFP
www.hp.com/support/ljM433MFP
HP LaserJet MFP M433a, M436n, M436dn,
M436nda
Service Manual
Copyright and License
Trademark Credits
© Copyright 2018 HP Development Company,
L.P.
Reproduction, adaptation, or translation without
prior written permission is prohibited, except as
allowed under the copyright laws.
The information contained herein is subject to
change without notice.
The only warranties for HP products and
services are set forth in the express warranty
statements accompanying such products and
services. Nothing herein should be construed as
constituting an additional warranty. HP shall not
be liable for technical or editorial errors or
omissions contained herein.
Edition 4, 4/2018
Adobe®, Acrobat®, and PostScript® are
tr
ademarks of Adobe Systems Incorporated.
Microsoft®, Windows®, Windows® XP, and
Windows Vista® are U.S. registered trademarks
of Microsoft Corporation.
Conventions used in this guide
TIP: Tips provide helpful hints or shortcuts.
NOTE: Notes provide important information to explain a concept or to complete a task.
CAUTION: Cautions indicate procedures that you should follow to avoid losing data or damaging the product.
WARNING! Warnings alert you to specic procedures that you should follow to avoid personal injury,
catastrophic loss of data, or extensive damage to the product.
ENWW iii
iv Conventions used in this guide ENWW
Table of contents
1 Product specs and features .................................................................................................................................................................... 1
Product Overview ..................................................................................................................................................................... 2
Specications ............................................................................................................................................................................ 3
General Specications ......................................................................................................................................... 3
Print specications ............................................................................................................................................... 4
Controller and software specication ............................................................................................................... 4
Scan specication ................................................................................................................................................ 5
Copy specication ................................................................................................................................................ 7
Paper handling specication .............................................................................................................................. 7
Supplies ................................................................................................................................................................. 9
Maintenance parts ............................................................................................................................................... 9
Optional accessories ......................................................................................................................................... 10
System conguration ............................................................................................................................................................ 11
Feeding system ...................................................................................................................................................................... 14
Feeding system overview ................................................................................................................................ 14
Main components and functions ..................................................................................................................... 15
Cassette .............................................................................................................................................................. 17
Pickup roller and friction pad ........................................................................................................................... 18
Registration roller .............................................................................................................................................. 18
MPF(Multi-Purpose Feeder) unit ..................................................................................................................... 19
Image Creation ....................................................................................................................................................................... 21
Printing process overview ................................................................................................................................ 21
Imaging unit ........................................................................................................................................................ 21
Imaging unit overview .................................................................................................................. 21
Drum drive ..................................................................................................................................... 22
Developer unit ............................................................................................................................... 22
Fuser unit ................................................................................................................................................................................. 25
Fuser unit overview ........................................................................................................................................... 25
Fuser duplex exit drive ..................................................................................................................................... 26
Fuser unit temperature control ....................................................................................................................... 26
Laser Scanning unit (LSU) ..................................................................................................................................................... 28
LSU overview ...................................................................................................................................................... 28
ENWW v
Laser scanning optical path ............................................................................................................................. 29
Laser synchronizing detectors ........................................................................................................................ 29
Drive system ........................................................................................................................................................................... 31
Drive motors ....................................................................................................................................................... 31
Main drive unit (OPC_DEVE_REGI_MP_pickup) ............................................................................................. 32
Fuser duplex exit drive ..................................................................................................................................... 34
Toner cartridge drive ......................................................................................................................................... 35
Scanner System ..................................................................................................................................................................... 36
Scanner system overview ................................................................................................................................ 36
Scanning system components ........................................................................................................................ 36
Document feeder ................................................................................................................................................................... 38
Document feeder overview ............................................................................................................................. 38
Electrical parts location .................................................................................................................................... 39
Document feeder drive system ....................................................................................................................... 39
Overview ......................................................................................................................................... 39
Document feeder original drive assembly ................................................................................ 40
Document feeder registration drive assembly ........................................................................ 41
Document feeder feed drive assembly ..................................................................................... 42
Document feeder exit drive assembly ...................................................................................... 42
Original return drive ...................................................................................................................... 43
Hardware conguration ........................................................................................................................................................ 44
Overview ............................................................................................................................................................. 44
Circuit Board Locations ..................................................................................................................................... 45
Formatter (Main) board .................................................................................................................................... 45
Formatter (Main) board .................................................................................................................................... 46
OPE board ........................................................................................................................................................... 47
SMPS (LVPS) board (HP LaserJet MFP M436n/M436dn Printer only) ....................................................... 49
SMPS (LVPS) board (HP LaserJet MFP M436nda Printer only) ................................................................... 50
HVPS board ......................................................................................................................................................... 52
BLU PBA (back light unit) .................................................................................................................................. 55
Document feeder board ................................................................................................................................... 55
Tray 3 accessory board .................................................................................................................................... 57
Sensor location .................................................................................................................................................. 57
2 Removal and replacement .................................................................................................................................................................... 61
For additional service and support ...................................................................................................................................... 63
Removal and replacement strategy ................................................................................................................................... 64
Electrostatic discharge ..................................................................................................................................... 64
Required tools .................................................................................................................................................... 65
Types of screws ................................................................................................................................................. 65
Service approach .................................................................................................................................................................... 65
vi ENWW
Before performing service ............................................................................................................................... 65
Releasing Plastic Latches ................................................................................................................................. 65
After performing service .................................................................................................................................. 65
Post-service test ................................................................................................................................................ 66
Print-quality test ........................................................................................................................... 66
Removal: Toner cartridge ..................................................................................................................................................... 67
Introduction ........................................................................................................................................................ 67
Overview ......................................................................................................................................... 67
Before performing service .......................................................................................................... 67
Required tools ............................................................................................................................... 67
After performing service .............................................................................................................. 67
Post service test ............................................................................................................................ 68
Remove: Toner cartridge .................................................................................................................................. 68
Removal: Transfer roller ....................................................................................................................................................... 71
Introduction ........................................................................................................................................................ 71
Overview ......................................................................................................................................... 71
Before performing service .......................................................................................................... 71
Required tools ............................................................................................................................... 71
After performing service .............................................................................................................. 71
Post service test ............................................................................................................................ 71
Remove: Transfer roller .................................................................................................................................... 71
Removal: Fuser unit ............................................................................................................................................................... 74
Introduction ........................................................................................................................................................ 74
Overview ......................................................................................................................................... 74
Before performing service .......................................................................................................... 74
Required tools ............................................................................................................................... 74
After performing service .............................................................................................................. 74
Post service test ............................................................................................................................ 74
Remove: Fuser unit ........................................................................................................................................... 74
Removal: Imaging unit (drum unit and developer) ........................................................................................................... 77
Introduction ........................................................................................................................................................ 77
Overview ......................................................................................................................................... 77
Before performing service .......................................................................................................... 77
Required tools ............................................................................................................................... 77
After performing service .............................................................................................................. 77
Post service test ............................................................................................................................ 77
Remove: Imaging unit (drum unit and developer) ....................................................................................... 77
Removal: Pickup roller and friction pad .............................................................................................................................. 88
Introduction ........................................................................................................................................................ 88
Overview ......................................................................................................................................... 88
Before performing service .......................................................................................................... 88
ENWW vii
Required tools ............................................................................................................................... 88
After performing service .............................................................................................................. 88
Post service test ............................................................................................................................ 88
Remove: Pickup roller and friction pad .......................................................................................................... 88
Removal: MP pickup roller and friction pad ....................................................................................................................... 91
Introduction ........................................................................................................................................................ 91
Overview ......................................................................................................................................... 91
Before performing service .......................................................................................................... 91
Required tools ............................................................................................................................... 91
After performing service .............................................................................................................. 91
Post service test ............................................................................................................................ 91
Remove: MP pickup roller and friction pad .................................................................................................... 91
Removal: Document feeder pickup roller assembly ........................................................................................................ 96
Introduction ........................................................................................................................................................ 96
Overview ......................................................................................................................................... 96
Before performing service .......................................................................................................... 96
Required tools ............................................................................................................................... 96
After performing service .............................................................................................................. 96
Post service test ............................................................................................................................ 96
Remove: Document feeder pickup roller assembly ..................................................................................... 96
Removal: Document feeder friction pad ............................................................................................................................ 98
Introduction ........................................................................................................................................................ 98
Overview ......................................................................................................................................... 98
Before performing service .......................................................................................................... 98
Required tools ............................................................................................................................... 98
After performing service .............................................................................................................. 98
Post service test ............................................................................................................................ 98
Remove: Document feeder friction pad ......................................................................................................... 98
Removal: Rear cover ........................................................................................................................................................... 100
Introduction ...................................................................................................................................................... 100
Overview ...................................................................................................................................... 100
Before performing service ........................................................................................................ 100
Required tools ............................................................................................................................. 100
After performing service ........................................................................................................... 100
Post service test ......................................................................................................................... 100
Remove: Rear cover ........................................................................................................................................ 100
Removal: Front cover .......................................................................................................................................................... 102
Introduction ...................................................................................................................................................... 102
Overview ...................................................................................................................................... 102
Before performing service ........................................................................................................ 102
Required tools ............................................................................................................................. 102
viii ENWW
After performing service ........................................................................................................... 102
Post service test ......................................................................................................................... 102
Remove: Front cover ...................................................................................................................................... 102
Removal: Left cover ............................................................................................................................................................ 104
Introduction ...................................................................................................................................................... 104
Overview ...................................................................................................................................... 104
Before performing service ........................................................................................................ 104
Required tools ............................................................................................................................. 104
After performing service ........................................................................................................... 104
Post service test ......................................................................................................................... 104
Remove: Left cover ......................................................................................................................................... 104
Removal: Formatter board ................................................................................................................................................. 106
Introduction ...................................................................................................................................................... 106
Overview ...................................................................................................................................... 106
Before performing service ........................................................................................................ 106
Required tools ............................................................................................................................. 106
After performing service ........................................................................................................... 106
Post service test ......................................................................................................................... 106
Remove: Formatter board ............................................................................................................................. 106
Removal: LVPS board .......................................................................................................................................................... 108
Introduction ...................................................................................................................................................... 108
Overview ...................................................................................................................................... 108
Before performing service ........................................................................................................ 108
Required tools ............................................................................................................................. 108
After performing service ........................................................................................................... 108
Post service test ......................................................................................................................... 108
Remove: LVPS board ...................................................................................................................................... 108
Removal: Front cover open sensor ................................................................................................................................... 110
Introduction ...................................................................................................................................................... 110
Overview ...................................................................................................................................... 110
Before performing service ........................................................................................................ 110
Required tools ............................................................................................................................. 110
After performing service ........................................................................................................... 110
Post service test ......................................................................................................................... 110
Remove: Front cover open sensor ............................................................................................................... 110
Removal: Side unit ............................................................................................................................................................... 112
Introduction ...................................................................................................................................................... 112
Overview ...................................................................................................................................... 112
Before performing service ........................................................................................................ 112
Required tools ............................................................................................................................. 112
After performing service ........................................................................................................... 112
ENWW ix
Post service test ......................................................................................................................... 112
Remove: Side unit ........................................................................................................................................... 112
Removal: Side cover-open sensor .................................................................................................................................... 114
Introduction ...................................................................................................................................................... 114
Overview ...................................................................................................................................... 114
Before performing service ........................................................................................................ 114
Required tools ............................................................................................................................. 114
After performing service ........................................................................................................... 114
Post service test ......................................................................................................................... 114
Remove: Side cover-open sensor ................................................................................................................. 114
Removal: Platen cover (M433a/M436n/M436dn only) ................................................................................................. 117
Introduction ...................................................................................................................................................... 117
Overview ...................................................................................................................................... 117
Before performing service ........................................................................................................ 117
Required tools ............................................................................................................................. 117
After performing service ........................................................................................................... 117
Post service test ......................................................................................................................... 117
Remove: Platen cover (M433a/M436n/M436dn only) ............................................................................. 117
Removal: Document feeder unit (optional) ..................................................................................................................... 119
Introduction ...................................................................................................................................................... 119
Overview ...................................................................................................................................... 119
Before performing service ........................................................................................................ 119
Required tools ............................................................................................................................. 119
After performing service ........................................................................................................... 119
Post service test ......................................................................................................................... 119
Remove: Document feeder unit (optional) ................................................................................................. 119
Removal: Document feeder cover .................................................................................................................................... 122
Introduction ...................................................................................................................................................... 122
Overview ...................................................................................................................................... 122
Before performing service ........................................................................................................ 122
Required tools ............................................................................................................................. 122
After performing service ........................................................................................................... 122
Post service test ......................................................................................................................... 122
Remove: Document feeder cover ................................................................................................................. 122
Removal: Document feeder open cover .......................................................................................................................... 125
Introduction ...................................................................................................................................................... 125
Overview ...................................................................................................................................... 125
Before performing service ........................................................................................................ 125
Required tools ............................................................................................................................. 125
After performing service ........................................................................................................... 125
Post service test ......................................................................................................................... 125
x ENWW
Remove: Document feeder open cover ....................................................................................................... 125
Removal: Document feeder stacker ................................................................................................................................. 127
Introduction ...................................................................................................................................................... 127
Overview ...................................................................................................................................... 127
Before performing service ........................................................................................................ 127
Required tools ............................................................................................................................. 127
After performing service ........................................................................................................... 127
Post service test ......................................................................................................................... 127
Remove: Document feeder stacker ............................................................................................................. 127
Removal: Document feeder board ................................................................................................................................... 129
Introduction ...................................................................................................................................................... 129
Overview ...................................................................................................................................... 129
Before performing service ........................................................................................................ 129
Required tools ............................................................................................................................. 129
After performing service ........................................................................................................... 129
Post service test ......................................................................................................................... 129
Remove: Document feeder board ................................................................................................................ 129
Removal: Document feeder registration-cover-detect sensor .................................................................................... 131
Introduction ...................................................................................................................................................... 131
Overview ...................................................................................................................................... 131
Before performing service ........................................................................................................ 131
Required tools ............................................................................................................................. 131
After performing service ........................................................................................................... 131
Post service test ......................................................................................................................... 131
Remove: Document feeder registration-cover-detect sensor ................................................................ 131
Removal: Document feeder motor solenoid clutch ....................................................................................................... 133
Introduction ...................................................................................................................................................... 133
Overview ...................................................................................................................................... 133
Before performing service ........................................................................................................ 133
Required tools ............................................................................................................................. 133
After performing service ........................................................................................................... 133
Post service test ......................................................................................................................... 133
Remove: Document feeder motor solenoid clutch ................................................................................... 133
Removal: Document feeder exit idle sensor ................................................................................................................... 138
Introduction ...................................................................................................................................................... 138
Overview ...................................................................................................................................... 138
Before performing service ........................................................................................................ 138
Required tools ............................................................................................................................. 138
After performing service ........................................................................................................... 138
Post service test ......................................................................................................................... 138
Remove: Document feeder exit idle sensor ............................................................................................... 138
ENWW xi
Removal: Document feeder exit sensor .......................................................................................................................... 140
Introduction ...................................................................................................................................................... 140
Overview ...................................................................................................................................... 140
Before performing service ........................................................................................................ 140
Required tools ............................................................................................................................. 140
After performing service ........................................................................................................... 140
Post service test ......................................................................................................................... 140
Remove: Document feeder exit sensor ....................................................................................................... 140
Removal: Document feeder length-width sensor .......................................................................................................... 142
Introduction ...................................................................................................................................................... 142
Overview ...................................................................................................................................... 142
Before performing service ........................................................................................................ 142
Required tools ............................................................................................................................. 142
After performing service ........................................................................................................... 142
Post service test ......................................................................................................................... 142
Remove: Document feeder length-width sensor ...................................................................................... 142
Removal: OPE unit ............................................................................................................................................................... 144
Introduction ...................................................................................................................................................... 144
Overview ...................................................................................................................................... 144
Before performing service ........................................................................................................ 144
Required tools ............................................................................................................................. 144
After performing service ........................................................................................................... 144
Post service test ......................................................................................................................... 144
Remove: OPE unit ........................................................................................................................................... 144
Removal: Platen unit ........................................................................................................................................................... 147
Introduction ...................................................................................................................................................... 147
Overview ...................................................................................................................................... 147
Before performing service ........................................................................................................ 147
Required tools ............................................................................................................................. 147
After performing service ........................................................................................................... 147
Post service test ......................................................................................................................... 147
Remove: Platen unit ....................................................................................................................................... 147
Removal: Upper platen ....................................................................................................................................................... 151
Introduction ...................................................................................................................................................... 151
Overview ...................................................................................................................................... 151
Before performing service ........................................................................................................ 151
Required tools ............................................................................................................................. 151
After performing service ........................................................................................................... 151
Post service test ......................................................................................................................... 151
Remove: Upper platen ................................................................................................................................... 151
Removal: CIS unit ................................................................................................................................................................. 154
xii ENWW
Introduction ...................................................................................................................................................... 154
Overview ...................................................................................................................................... 154
Before performing service ........................................................................................................ 154
Required tools ............................................................................................................................. 154
After performing service ........................................................................................................... 154
Post service test ......................................................................................................................... 154
Remove: CIS unit ............................................................................................................................................. 154
Removal: Scan drive unit .................................................................................................................................................... 156
Introduction ...................................................................................................................................................... 156
Overview ...................................................................................................................................... 156
Before performing service ........................................................................................................ 156
Required tools ............................................................................................................................. 156
After performing service ........................................................................................................... 156
Post service test ......................................................................................................................... 156
Remove: Scan drive unit ................................................................................................................................ 156
Removal: Scan home-position sensor and cover-open sensor ................................................................................... 158
Introduction ...................................................................................................................................................... 158
Overview ...................................................................................................................................... 158
Before performing service ........................................................................................................ 158
Required tools ............................................................................................................................. 158
After performing service ........................................................................................................... 158
Post service test ......................................................................................................................... 158
Remove: Scan home-position sensor and cover-open sensor ............................................................... 158
Removal: Laser/scanner unit (LSU) ................................................................................................................................... 160
Introduction ...................................................................................................................................................... 160
Overview ...................................................................................................................................... 160
Before performing service ........................................................................................................ 160
Required tools ............................................................................................................................. 160
After performing service ........................................................................................................... 160
Post service test ......................................................................................................................... 160
Remove: Laser/scanner unit (LSU) ............................................................................................................... 160
Removal: Main drive motor ................................................................................................................................................ 162
Introduction ...................................................................................................................................................... 162
Overview ...................................................................................................................................... 162
Before performing service ........................................................................................................ 162
Required tools ............................................................................................................................. 162
After performing service ........................................................................................................... 162
Post service test ......................................................................................................................... 162
Remove: Main drive motor ............................................................................................................................ 162
Removal: Exit motor (MFP M436nda only) ...................................................................................................................... 164
Introduction ...................................................................................................................................................... 164
ENWW xiii
Overview ...................................................................................................................................... 164
Before performing service ........................................................................................................ 164
Required tools ............................................................................................................................. 164
After performing service ........................................................................................................... 164
Post service test ......................................................................................................................... 164
Remove: Exit motor (MFP M436nda only) .................................................................................................. 164
Removal: Fuser motor ........................................................................................................................................................ 166
Introduction ...................................................................................................................................................... 166
Overview ...................................................................................................................................... 166
Before performing service ........................................................................................................ 166
Required tools ............................................................................................................................. 166
After performing service ........................................................................................................... 166
Post service test ......................................................................................................................... 166
Remove: Fuser motor ..................................................................................................................................... 166
Removal: Paper empty registration MP sensor .............................................................................................................. 168
Introduction ...................................................................................................................................................... 168
Overview ...................................................................................................................................... 168
Before performing service ........................................................................................................ 168
Required tools ............................................................................................................................. 168
After performing service ........................................................................................................... 168
Post service test ......................................................................................................................... 168
Remove: Paper empty registration MP sensor .......................................................................................... 168
Removal: MP clutch ............................................................................................................................................................. 172
Introduction ...................................................................................................................................................... 172
Overview ...................................................................................................................................... 172
Before performing service ........................................................................................................ 172
Required tools ............................................................................................................................. 172
After performing service ........................................................................................................... 172
Post service test ......................................................................................................................... 172
Remove: MP clutch ......................................................................................................................................... 172
Removal: Registration clutch ............................................................................................................................................. 174
Introduction ...................................................................................................................................................... 174
Overview ...................................................................................................................................... 174
Before performing service ........................................................................................................ 174
Required tools ............................................................................................................................. 174
After performing service ........................................................................................................... 174
Post service test ......................................................................................................................... 174
Remove: Registration clutch ......................................................................................................................... 174
Removal: Fuser fan .............................................................................................................................................................. 177
Introduction ...................................................................................................................................................... 177
Overview ...................................................................................................................................... 177
xiv ENWW
Before performing service ........................................................................................................ 177
Required tools ............................................................................................................................. 177
After performing service ........................................................................................................... 177
Post service test ......................................................................................................................... 177
Remove: Fuser fan .......................................................................................................................................... 177
Removal: HVPS board ......................................................................................................................................................... 179
Introduction ...................................................................................................................................................... 179
Overview ...................................................................................................................................... 179
Before performing service ........................................................................................................ 179
Required tools ............................................................................................................................. 179
After performing service ........................................................................................................... 179
Post service test ......................................................................................................................... 179
Remove: HVPS board ..................................................................................................................................... 179
Removal: Temperature humidity sensor ......................................................................................................................... 181
Introduction ...................................................................................................................................................... 181
Overview ...................................................................................................................................... 181
Before performing service ........................................................................................................ 181
Required tools ............................................................................................................................. 181
After performing service ........................................................................................................... 181
Post service test ......................................................................................................................... 181
Remove: Temperature humidity sensor ..................................................................................................... 181
Removal: Developer unit .................................................................................................................................................... 184
Introduction ...................................................................................................................................................... 184
Overview ...................................................................................................................................... 184
Before performing service ........................................................................................................ 184
Required tools ............................................................................................................................. 184
After performing service ........................................................................................................... 184
Post service test ......................................................................................................................... 184
Remove: Developer unit ................................................................................................................................. 184
Removal: SCF (optional Tray 3) ......................................................................................................................................... 194
Introduction ...................................................................................................................................................... 194
Overview ...................................................................................................................................... 194
Before performing service ........................................................................................................ 194
Required tools ............................................................................................................................. 194
After performing service ........................................................................................................... 194
Post service test ......................................................................................................................... 194
Remove: SCF board ......................................................................................................................................... 195
Remove: SCF drive unit .................................................................................................................................. 196
Remove: SCF feed roller ................................................................................................................................. 198
ENWW xv
3 Troubleshooting ................................................................................................................................................................................... 199
Control panel ........................................................................................................................................................................ 200
Understanding the status LED ........................................................................................................................................... 201
Clearing jams ........................................................................................................................................................................ 203
Introduction ...................................................................................................................................................... 203
Tray 2 ................................................................................................................................................................ 203
In optional Tray 3 ............................................................................................................................................ 205
In Multi-purpose Tray 1 .................................................................................................................................. 208
Inside the printer ............................................................................................................................................. 209
In the exit area ................................................................................................................................................. 211
In the duplex unit area ................................................................................................................................... 213
Clearing original document jams .................................................................................................................. 215
Original paper jam in front of scanner .................................................................................... 215
Original paper jam inside of scanner ....................................................................................... 217
Original paper jam in exit area of scanner .............................................................................. 220
Original paper jam in scanner duplex path ............................................................................. 222
Firmware upgrades ............................................................................................................................................................. 224
Determine the installed revision of rmware ............................................................................................. 225
Perform a rmware upgrade ........................................................................................................................ 226
HP Embedded Web Server ........................................................................................................ 226
USB Firmware Upgrade ............................................................................................................. 226
Tech Mode ............................................................................................................................................................................. 227
Overview ........................................................................................................................................................... 227
Entering Tech mode ....................................................................................................................................... 227
Tech mode menu ............................................................................................................................................ 227
Tech Mode Menu description ........................................................................................................................ 229
Control Panel Error Messages ........................................................................................................................................... 238
11-2T11, Paper mismatch Tray 2 Load [A4] [Plain] Continue ⊙ Cancel X ............................................ 238
11-2T21, Paper mismatch Tray 3 Load [A4] [Plain] Continue ⊙ Cancel X ............................................ 238
11-2T61, Paper mismatch Tray 1Load [A4] [Plain] Continue ⊙ Cancel X ............................................. 238
A1-1110, Error: #A1-1110 / Motor Failure: #A1-1110. Turn o then on. Call for service if the
problem persists ............................................................................................................................................. 238
A1–5513, Error: #A1–5513 / Motor Failure: #A1-1110. Turn o then on. Call for service if the
problem persists ............................................................................................................................................. 239
A2-1210, Error: #A2-1210 / Fan Failure: #A2-1210. Turn o then on. Call for service if the
problem persists ............................................................................................................................................. 241
A2-2110, Error: #A2-2110 / Fan Failure: #A2-2110. Turn o then on. Call for service if the
problem persists ............................................................................................................................................. 241
A3-3311, A3-3312, A3-3320, A3-3411, A3-3412 Sensor errors .......................................................... 242
C1-1110, C1-111A Toner errors ................................................................................................................... 243
C1-1140, C1-1160, C1-1170 Toner errors ................................................................................................. 244
xvi ENWW
C1-1313, C1-1314 Errors .............................................................................................................................. 245
C1-1411 Toner Not Installed / Toner cartridge is not installed. Install it ............................................... 247
C1-1512, Toner Not Compatible / Toner cartridge is not compatible. Check guide ............................. 247
C1-1711, C1-1712 Errors .............................................................................................................................. 248
C3-1110, Prepare IMG. Unit / Prepare new imaging unit ......................................................................... 248
C3-1140, C3-1150, C3-1170 Imaging unit errors ..................................................................................... 249
C3-1312, C3-1411, C3-1414 Imaging unit errors ..................................................................................... 249
C3-1512, IMG. Not compatible / Imaging unit is not compatible. Check guide ..................................... 250
C3-1711, C3-1712 Imaging unit errors ...................................................................................................... 251
C9-2110, C9-2120, Prepare TR. Roller / Prepare with new transfer roller ........................................... 252
C9-2220, Error: #C9-2220 / TR Failure: #C9-2220. Install TR roller again ........................................... 252
H1-1210, Paper jam in tray 2 ....................................................................................................................... 254
H1-1220 Tray 2 door is open. Close it ......................................................................................................... 254
H1-1230, Error: #H1-1230 / Input System Failure: #H1-1230. Check tray 3 connection .................. 255
H1-1252, H1-1254, Paper empty in tray 2 / Paper is empty in tray 3. Load paper ............................ 255
M1-1110, Paper jam in tray 1 ....................................................................................................................... 255
M1-1610, Paper jam in tray 1 ....................................................................................................................... 256
M1-5112, M1-5113, Paper empty in tray 1 / Paper is empty in tray 1. Load paper ........................... 257
M1-5120, All Trays Empty / Paper is empty in all trays. Load paper ..................................................... 258
M1-5610, Paper Normal in Tray 1 ................................................................................................................ 258
M1-5612, Paper empty in Tray 1. Load paper ........................................................................................... 259
M2-1110, M2-2210 Jam inside errors ........................................................................................................ 259
M3-1110, Jam in exit area ............................................................................................................................. 261
S2-331D, Waiting for low temp / Waiting delay time for lower xing temperature… ......................... 262
S2-3321, Supplying Toner / Supplying and mixing toner to developer unit. Please wait… ................ 262
S2-3421, Calibrating density / Calibrating image density. Please wait… .............................................. 262
S2-4210, Front door is open. Close it .......................................................................................................... 263
S2-4410, Right door is open. Close it .......................................................................................................... 263
S3-3122, Scanner Locked / Scanner is locked. Press Stop button ......................................................... 263
S6-3123, IP Conict / This IP address conicts with that of other system ........................................... 264
U1-2132, U1-2315, U1-2320, U1-2330, U1-2334, U1-2340, U1-234H Fuser unit failure errors .. 265
U2-1111, U2-1112, U2-1113, U2-1114 LSU failure errors .................................................................... 266
U3-3211, U3-3213, U3-3214, U3-3311, U3-3313, U3-3314 Original paper jam / Original
paper jam inside of scanner. Remove jam .................................................................................................. 267
U3-3411, U3-3413, U3-3414 Original paper jam / Original paper jam inside of scanner.
Remove jam ..................................................................................................................................................... 269
U3-3511, U3-3513, U3-3514 Original paper jam / Original paper jam inside of scanner.
Remove jam ..................................................................................................................................................... 270
U3-3711, U3-3713, U3-3714 Original paper jam / Original paper jam inside of scanner.
Remove jam ..................................................................................................................................................... 271
U3-4210 Scanner door open / Top door of scanner is open. Close the door ....................................... 272
ENWW xvii
Printing quality problems ................................................................................................................................................... 273
Adjusting the document feeder skew .............................................................................................................................. 278
Other errors .......................................................................................................................................................................... 280
System diagram ................................................................................................................................................................... 281
Glossary ..................................................................................................................................................................................................... 283
Index ........................................................................................................................................................................................................... 289
xviii ENWW
1 Product specs and features
This chapter presents an overview of the major components of the printer, and it includes a detailed discussion
of the image-formation system.
ENWW 1
Product Overview
● Printing speed
– Up to 20 ppm on A4 or Letter M433
– Up to 23 ppm on A4 or Letter M436
● Scan speed (ADF)
– 30 ipm @ color 200dpi, 30 ipm @ mono 300dpi
● Processor
– 600 MHz
● Memory
– 128 MB
● Option unit
– Document feeder (M436n/dn only)
2 Chapter 1 Product specs and features ENWW
Specications
Product specications are subject to change without notice.
General Specications
Table 1-1 General specications
Item Specication
Function ● HP LaserJet MFP M433a Printer: Print,
Temperature Operating 10 ~ 30 °C (50 ~ 86°F)
Humidity Operating 20~80% RH
Copy, Scan
● HP LaserJet MFP M436dn Printer:
Print, Copy, Scan, Network, Duplex
● HP LaserJet MFP M436n Printer: Print,
Copy, Scan
● HP LaserJet MFP M436nda Printer:
Print, Copy, Scan, Network, Duplex
Storage -10 ~ 40 °C (-4 ~ 104 °F)
Storage 10~90% RH
Acoustic Noise Level (Sound Power/
Pressure)
Power Supply Input Voltage AC 220-240V (-10%~6%)/5A
Power Consumption Ready 70 Wh
Dimension (W x L x H) M436n/M436dn models 560 x 540 x 417 mm (22.05 x 21.26 x
Printing ● Tray 2: 49 dBA
● Tray 3: 51 dBA
● MP Tray 1: 51 dBA
Copying ● Tray 2: 49dBA (@platen), 53dBA
(@document feeder)
● Tray 3: 51dBA(@platen), 55dBA
(@document feeder)
● MP Tray 1: 51dBA(@platen), 55dBA
(@document feeder)
Rated Frequency 50 Hz
Printing 500 Wh
Copying 500 Wh
Scanning 70 Wh
Power O 0.3 W
16.42 inches)
M436nda models 560 x 583.5 x 504.5 mm (22.5 x 22.97 x
19.86 inches)
Weight M436n/M436dn models 25 kg (55.12 lbs)
ENWW Specications 3
Table 1-1 General specications (continued)
Item Specication
Reliability & Service Recommended Printing Volume (AMPV) 2,500 sheets/month
Print specications
Table 1-2 Print specications
Item Specication
Engine Speed Simplex Up to 23 ppm on A4 and Letter
FPOT From Ready Less than 9.2 sec
Resolution Optical 600 x 600 x 2 bit dpi
Printer Language PCL6
M436nda models M436nda models: 30.00 kg (66.14 lbs)
Max. Monthly Print Volume 50,000 sheets/month
Duplex Up to 10 ipm in A4 (10 ipm in Letter)
From Sleep Less than 22.2 sec
Enhanced 1200 x 1200 dpi
Controller and software specication
Table
1-3 Controller and software specication
Item Specication
Processor 600 MHz
Memory 128 MB
Memory Expansion N/A
Storage N/A
Printer driver Supporting OS [Windows]
● Windows 2000/XP(32/64bit)/
2003(32/64bit)/Vista(32/64bit)/2008/
Win7/2008 R2(64 only)/Windows 8/
Windows 8.1/Window Server 2012/
Windows 10 UPD
Default Driver PCL6
Driver feature [Windows]
● Watermark, Overlay, N-up printing,
Poster printing
● Manual duplex and auto duplex
(depending on model)
4 Chapter 1 Product specs and features ENWW
Table 1-3 Controller and software specication (continued)
Item Specication
WHQL (Windows Hardware Quality Labs) Windows 2000/XP(32/64bit)/
Scan driver TWAIN Yes
WIA Yes
Supporting OS [Windows]
Table 1-4 Interface
Item Specication
Parallel (IEEE 1284) No
USB High-Speed USB 2.0
Wired LAN Ethernet 10/100 Base TX (M436 only)
Wireless LAN No
2003(32/64bit)/Vista(32/64bit)/2008/
Win7/2008 R2(64 only)/Windows 8/
Windows 8.1/Window Server 2012
● Windows 2000/XP(32/64bit)/
2003(32/64bit)/Vista(32/64bit)/2008/
Win7/2008 R2(64 only)/Windows 8/
Windows 8.1/Window Server 2012/
Windows 10
Table 1-5 Network Interface
Item Specication
Network Protocols TCP/IP Raw TCP/IP Printing, LPR/LPD, IPP, WSD,
IP Addressing Static IP Yes
Scan specication
1-6 Scan specication
Table
Item Specication
Scan method D-CIS
T4NET, SETIP
IPX/SPX No
Ether Talk No
NetBIOS over TCP/IP No
Auto IP Yes
BOOTP Yes
DHCP Yes
ENWW Specications 5
Table 1-6 Scan specication (continued)
Item Specication
Compatibility TWAIN, WIA
Color Mode Mono/Gray/Color
Scan Speed B/W 30 ipm @ A4 and Letter
Gray 30 ipm @ A4 and Letter
Color 30 ipm @ A4 and Letter
Resolution Optical ● Platen: 600 x 600 dpi
● Document feeder: 300 x 300 dpi
(HP LaserJet MFP M436nda standard,
HP LaserJet MFP M436n/M436dn
optional)
Scan Size Document feeder (HP LaserJet MFP
M436nda standard, HP LaserJet MFP
M436n/M436dn optional)
platen ● Max. Document Width: Max. 297 mm
Scan-to PC (Local, Network) Yes
HDD No
USB No
Email No
Client No
SMB No
FTP No
● Max. Document Width: Max. 297 mm
● Max. Document Width: Max. 297 mm •
● Max. Document Length: Max. 432 mm
● Eective Scan Length: Max 424 mm
● Max. Document Width: Max. 297 mm •
● Max. Document Length: Max. 432 mm
● Eective Scan Length: Max 424 mm
Eective Scan Width: Max. 291 mm
Eective Scan Width: Max. 291 mm
HTTP(S) No
WebDAV No
Multi Destination No
Scan File Format PDF, Single-Page-TIFF, JPEG, Multi-Page-
TIFF, Single-Page-PDF, TIFF, Editable PDF
for Win7/8/8.1/10 on USB connect using the
HP Scan application
6 Chapter 1 Product specs and features ENWW
Copy specication
Table 1-7 Copy specication
Item Specication
Copy Speed Up to 20 cpm in A4 & Letter
FCOT From Ready Less than 7.4 seconds (from platen)
Copy Original Type Text ● Platen: Scan 600 x 600 , Printing 600 x
From Sleep Less than 22.2 seconds (from platen)
From Coldboot Less than 22.2 seconds (from platen)
600
● Document feeder: Scan 600 x 600 ,
Printing 600 x 600
Text/Photo ● Platen: Scan 600 x 600 , Printing 600 x
600
● Document feeder: Scan 600 x 600 ,
Printing 600 x 600
Photo ● Platen: Scan 600 x 600 , Printing 600 x
600
● Document feeder: Scan 600 x 600 ,
Printing 600 x 600
Max. Original Size Platen 297 x 432 mm (11.7" x 17")
Copy Feature Multi Copy 1-+999
Paper handling specication
1-8 Paper handling specication
Table
Item Specication
Standard Capacity ● 250-sheet cassette Tray (20 lb or 80
Map ● Platen: Scan 600 x 600 , Printing 600 x
600
● Document feeder: Scan 600 x 600 ,
Printing 600 x 600
Document feeder 297 x 432 mm (11.7" x 17")
Reduce/Enlarge 25~400%
ID Card Copy Yes
N-up 2/4/8/16-up (A5), 2/4/8-up (A4), 2/4–up
(A3)
Collation Copy Yes (NDA only)
g/m²)
● 100-sheet MP tray (20 lb or 80 g/m²)
ENWW Specications 7
Table 1-8 Paper handling specication (continued)
Item Specication
Max. Input Capacity ● HP LaserJet MFP M436nda Printer:
Printing Max. Size 297 x 432 mm (11.7" x 17")
Min. Size–Tray 1 125 x 101.6 mm (4.92 x 4 inches)
Min. Size–Tray 2/3 148.5 x 182 mm (5.83 x 7.17 inches)
Margin(T/B/L/R) 4.2+/-1.5mm
MP Tray Capacity ● Plain Paper: 100 sheets @ 80 g/m²
Media sizes A4,A5, B5 (JIS), Letter, Executive,
Media type Plain, HP LaserJet 90g, Light 60-74g,
Media weight ● 16 ~ 43 lb (60 to 163 g/m²): Simplex
600 sheets @ 20 lb or 80 g/m² (Tray 2
+ Optional Tray + Tray 1)
● HP LaserJet MFP M436n/M436dn
Printer: 350 sheets @ 20 lb or 80
g/m² (Tray 2 + Tray 1)
Statement, A3, B4 (JIS), 8K, 16K, Ledger,
Legal, Ocio 8.5 x 13, Ocio 216 x 1340, 4x6
Intermediate 85-95 g, Bond, Recycled, MidWeight 96-110g, Heavy 111-130g
Preprinted, Letterhead, Prepunched,
Cardstock, Colored
● 16 ~ 28 lb (60 to 110 g/m²): Duplex
Sensing Paper Empty Detect: Yes
Standard Cassette Tray Capacity 250 sheets @ 20 lb (80g/m²)
Media sizes A3/A4/A5/B4 (JIS)/B5 (JIS)/Ledger/Legal/
Ocio/Letter/Executive/4x6/8K/16K
Media types Plain, Mid-weight, Light, HP LaserJet,
Colored, Preprinted, Recycled, Intermediate,
Letterhead, Prepunched
Media weight ● 16 - 29 lb
● 60 - 110 gsm
Sensing Paper Empty: Yes
Optional Cassette Tray (M436 only) Capacity 250 sheets @ 20 lb (80g/m²)
Media sizes A3/A4/A5/B4 (JIS)/B5 (JIS)/Ledger/Legal/
Ocio 8.5 x 13, Ocio 216 x 340 mm/Letter/
Executive/8K/16K
Media types Plain, Mid-weight, Light, HP LaserJet,
Colored, Preprinted, Recycled, Intermediate,
Letterhead, Prepunched
Media weight ● 16 - 29 lb
● 60 - 110 gsm
Sensing Paper Empty: Yes
8 Chapter 1 Product specs and features ENWW
Supplies
Table 1-8 Paper handling specication (continued)
Item Specication
Document feeder Capacity 100 sheets (20lb, 80 g/m²)
2-sided document scanning No
Document size ● Width: 128–297 mm
● Length:128–432 mm
Document weight ● 60~128g/m² (16-34lbs)
Sensing Paper Empty, Paper Width, Paper Length
When supplies reach the end of their life span, you can order the followings of supplies for your machine:
Item Description Part number
Toner Cartridge Standard-capacity replacement black toner
Imaging unit
1
The imaging unit must be installed by a service technician.
1
WARNING! When purchasing new toner cartridges or other supplies, these must be purchased in the same
country/region as the machine you are using. Otherwise, new toner cartridges or other supplies will be
incompatible with your machine due to dierent congurations of toner cartridges and other supplies according
to the specic country/region conditions.
CAUTION: HP does not recommend using non-genuine HP toner cartridge such as relled or remanufactured
toner. HP cannot guarantee non-genuine HP toner cartridge's quality. Service or repair required as a result of
using non-genuine HP toner cartridges will not be covered under the machine’s warranty.
NOTE: Depending on the options, percentage of image area and job mode used, the toner cartridge’s life span
may dier.
Maintenance parts
Table
1-9 Maintenance parts
CF256A
cartridge
High-capacity replacement black toner
cartridge
Replacement imaging drum CF257A
CF256X
Item Kit number Life
Pick-up roller and friction pad W7U01-67903 Approx. 100,000 pages
MP Pick-up roller and 50k friction pad (for
MP Tray)
Transfer roller W7U01-67901 Approx. 100,000 pages
Fuser unit W7U01-67902 Approx. 100,000 pages
ENWW Specications 9
Table 1-9 Maintenance parts (continued)
Item Kit number Life
Document feeder Pick-Up roller assembly
(optional)
Document feeder Friction Pad (optional) W7U02-67902 Approx. 50,000 pages
NOTE: It will be aected by the operating system used, computing performance, application software,
connecting method, media, and media size and job complexity.
Optional accessories
You can purchase and install accessories to enhance your machine’s performance and capacity.
NOTE: Some features and optional goods may not be available depending on model or country/region.
Table 1-10 Option accessories
Accessory Function Part name
Optional tray
Document feeder
a
M436n/M436dn Only
b
Plain paper 80 g/m2 (20 lbs bond)
a
W7U02-67901 Approx. 120,000 pages
b
If you are experiencing frequent paper supply problems, you can attach an additional 250
sheet tray.
Automatic document feeder X0R65A
X0R64A
10 Chapter 1 Product specs and features ENWW