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Lexmark Optra T650n T652n T652dn T654n T654dn 4062

Tags : LexmarkOptraT65X4062-XXX4062-010T650n4062-01AT650n4062-210T652n4062-21AT652n4062-230T652dn4062-23AT652dn4062-410T654n4062-41AT654n4062-430T654dn4062-43AT654dn 
Lexmark Optra T650n T652n T652dn T654n T654dn 4062 Manuel de service

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Description

Lexmark Optra T650n T652n T652dn T654n T654dn 4062-XXX Service Manual
Edition: October 21, 2008

Lexmark T650n 4062-010
Lexmark T650n 4062-01A
Lexmark T652n 4062-210
Lexmark T652n 4062-21A
Lexmark T652dn 4062-230
Lexmark T652dn 4062-23A
Lexmark T654n 4062-410
Lexmark T654n 4062-41A
Lexmark T654dn 4062-430
Lexmark T654dn 4062-43A

Table of contents . iii
Notices and safety information xiii
Laser notice . xiii
Lithium warning . .  ii-xix
Safety informationxix
Preface . xxii
Conventionsxxii
General information . 1-1
Maintenance approach . 1-1
Options .  1-2
Available internal options . 1-2
Media handling options . 1-2
Printer configurations 1-3
Basic model . 1-3
Fully configured model 1-4
Supported paper sizes, types, and weights 1-6
Paper sizes supported by the printer . 1-6
Paper types and weights supported by the printer . 1-7
Paper types and weights supported by the output bins . 1-7
Tools required 1-8
Acronyms . .  1-9
Diagnostic information .  . 2-1
Start 2-1
Confirm the installation status . 2-2
Power-on Reset sequence 2-2
Entering Diagnostics mode . 2-2
User attendance messages 2-3
Error code table 1 . 2-11
Service checks 2-117
Sensor (input) service check 2-117
Sensor (fuser output) service check 2-117
Sensor (narrow media) service check 2-118
Sensor (duplex input) service check . 2-118
Sensor (duplex input) service check (external duplex only) 2-119
Sensor (duplex exit) service check (external duplex only) 2-119
Sensor (pass through) service check . 2-120
Sensor (envelope feeder empty) service check . 2-120
Sensor (input) late jam service check. 2-120
Sensor (input) lingering jam service check2-123
Sensor (input) early jam service check 2-124
Sensor (input) static jam service check . 2-126
Sensor (fuser output) late jam service check. 2-126
Sensor (fuser output) lingering jam service check2-128
Sensor (fuser output) static jam service check . 2-129
Sensor (narrow media) late jam service check2-130
Sensor (narrow media) static jam service check 2-131
Sensor (duplex input) late jam service check. 2-132
Sensor (duplex input) lingering jam service check2-133
Sensor (duplex input) static jam service check. 2-135
Sensor (pass through) late jam service check . 2-136
Sensor (pass through) lingering jam service check. .2-137
Sensor (pass through) static jam service check .2-138
Sensor (stapler pass through) late jam service check . .2-139
Sensor (stapler pass through) lingering jam service check .2-140
Sensor (stapler pass through) static jam service check .2-140
Sensor (output pass through) late jam service check . .2-141
Sensor (output pass through) lingering jam service check .2-142
Sensor (output pass through) static jam service check .2-143
Sensor (mailbox empty) late jam service check .2-144
Sensor (mailbox empty) lingering jam service check . .2-145
Sensor (mailbox empty) static jam service check . .2-145
Sensor (toner empty) service check . .2-146
NVRAM mismatch failure (950.00 through 950.29) service check .2-146
. .2-147
Image quality trouble .2-148
Printer Related Troubleshooting . .2-148
Image quality symptoms . .2-148
Image Quality .2-149
Faint print (Low contrast) .2-149
Blank print (no print) . .2-151
Solid black . .2-153
Vertical lines and bands (process direction) .2-154
Horizontal white stripes or bands (side to side direction) .2-155
Vertical stripes (process direction) .2-156
Horizontal stripes (side to side direction) . .2-157
Partial lack .2-159
Spots .2-160
After image .2-162
Background (fog) . .2-163
Skew . .2-164
Media damage . .2-165
No fuse . .2-167
Network service check .2-168
Diagnostic aids . .3-1
Understanding the printer control panel . .3-1
Accessing service menus .  .3-2
Diagnostics mode . .3-3
Entering Diagnostics mode . .3-3
Available tests . ..3-3
Exiting Diagnostics mode .3-5
REGISTRATION .3-5
Quick Test . .3-6
PRINT TESTS .3-7
Input source tests .3-7
Print quality pages (Prt Quality Pgs) . .3-7
HARDWARE TESTS ..3-8
Panel Test . .3-8
Button Test . .3-8
DRAM Test . .3-8
USB HS Test Mode .3-9
DUPLEX TESTS . ..3-9
Quick Test (duplex) .3-9
Top Margin (duplex) . .3-10
Sensor Test (duplex) .3-10
Motor Test (duplex) . .3-10
Duplex Feed 1 . .3-11
Duplex Feed 2 . .3-11
INPUT TRAY TESTS . ..3-11
Feed Tests (input tray) . 3-11
Sensor Test (input tray) . 3-11
OUTPUT BIN TESTS . .3-12
Feed Tests (output bins) 3-12
Feed To All Bins 3-13
Sensor Test (standard output bin) . 3-13
Sensor Test (Output Expander) 3-13
Sensor Test (high capacity output stacker) 3-14
Sensor Tests (5-bin mailbox) 3-14
Diverter Test . 3-14
StapleSmart FINISHER TESTS . .3-15
Staple Test 3-15
Feed Tests (finisher) . 3-15
Sensor Test (finisher) 3-15
BASE SENSOR TEST . 3-16
PRINTER SETUP . 3-16
Defaults . 3-16
Printed Page Count 3-16
Perm Page Count (permanent page count) . 3-16
Serial Number 3-16
Engine Setting 1 through 16 . 3-17
Model Name . 3-17
Configuration ID 3-17
Edge to Edge 3-17
EP SETUP . 3-18
EP Defaults 3-18
Fuser Temperature (Fuser Temp) . 3-18
Fuser Page Count . 3-18
Warm Up Time . 3-18
Transfer . 3-18
Print Contrast 3-18
Charge Roll 3-18
Gap Adjust 3-18
Auto Dark Adj 3-18
REPORTS . 3-19
EVENT LOG . 3-19
Display Log 3-19
Print Log 3-19
Clear Log 3-20
EXIT DIAGNOSTICS . 3-20
Configuration menu (CONFIG MENU) 3-21
Entering Configuration Menu . 3-21
Available menus . 3-21
Maintenance page count (Maint Cnt Value) . 3-21
Maintenance page counter reset (Reset Cnt) 3-22
Print quality pages (Prt Quality Pgs) . 3-22
Reports . 3-22
SIZE SENSING . 3-23
Panel Menus . 3-23
PPDS Emulation 3-23
Demo Mode . 3-23
Factory Defaults 3-23
LES Applications . 3-24
Energy Conserve . 3-24
Paper Prompts . 3-24
Env Prompts . 3-24
Action for Prompts . 3-24
Font Sharpening . 3-24
Wiper Messages 3-24
Clear Custom Status .3-24
Best Speed . .3-24
Exit Config Menu . .3-25
Printer overview .3-26
Basic model . .3-26
Printer theory .3-27
Model T650 with duplex, paper path, rolls, and sensors .3-27
Models T652 and T654 paper path rolls and sensors . .3-28
Functions of main components . .3-28
Media tray assembly .3-28
Rear media guide . .3-28
Side guide .3-29
Wear strips .3-29
Media tray assembly .3-29
Detection of media size .3-30
Pick arm assembly .3-30
Switch (media size) . .3-31
Sensor (media empty) . .3-31
Sensor (media low) . .3-32
Multi-purpose feeder (MPF) .3-32
MPF feed roll .3-32
MPF pick solenoid .3-32
Sensor (MPF media empty) . .3-33
Supported paper sizes, types, and weights . .3-33
Paper sizes supported by the printer .3-33
Registration . .3-35
Sensor (input) .3-35
Aligner assembly . .3-35
Transfer .3-36
Transfer roll assembly . .3-36
Polygon printhead assembly . .3-37
Oscillating printhead assembly . .3-39
Fuser .3-40
Fuser components . .3-40
Heat roll .3-41
Pressure roll .3-41
Heater lamp . .3-41
Thermal cutoff . .3-41
Thermistor .3-41
Sensor (fuser output) .3-41
Sensor (narrow media) . .3-41
Exit . .3-42
Sensor (standard bin full) . .3-42
Drive .3-42
Main drive motor assembly . .3-42
Redrive motor assembly .3-42
Electrical components and controller . .3-43
Switch (printer front door interlock) . .3-43
Main cooling fan .3-44
Print cartridge cooling fan . .3-44
Duplex cooling fan .3-44
LVPS card assembly .3-44
HVPS card assembly .3-44
System card assembly . .3-45
Control . .3-45
Printhead control .3-45
Rotation of printhead motor . .3-45
Determination of printhead ready . .3-45
Printhead reference value .3-45
Fuser control 3-45
Fuser control method 3-45
Fuser lamp on/off control . 3-45
Fuser warm-up . 3-46
Xerographic and print cartridge components . 3-46
Charge . 3-47
Exposure 3-47
Development . 3-48
Transfer . 3-49
Cleaning 3-50
Auto density sensing . 3-51
High Capacity Input Tray (HCIT) tray assembly 3-52
250-sheet/550-sheet tray assembly 3-53
Media size sensing 3-53
Media level sensing 3-54
Pick arm assembly 3-54
Switch (media size) 3-56
Sensor (media empty) 3-56
Sensor (media low) 3-56
Sensor (pass-thru) 3-56
Media transport path . 3-58
Model T650 paper path, rolls, and sensors 3-58
Models T652 and T654 paper path, rolls, and sensors 3-59
Functions of main components . 3-59
Media tray assembly . 3-59
Rear media guide . 3-59
Side guide . 3-59
Wear strips 3-60
Media tray assembly 3-60
Detection of media size . 3-60
Pick arm assembly 3-60
Switch (media size) 3-61
Sensor (media empty) 3-61
Sensor (media low) 3-61
Duplex . 3-62
Layout of media transport path . 3-62
Model T650 duplex paper path 3-62
Models T652 and T654 duplex paper path 3-63
Functions of main components . 3-63
Sensor (duplex input) 3-63
Duplex drive motor assembly 3-64
Understanding jam numbers and locations . 3-65
200 and 201 paper jams . 3-65
202 and 203 paper jams . 3-66
230 paper jam 3-67
Rear paper jams 3-67
Front paper jams 3-68
231-239 paper jams (optional external duplex unit) . 3-69
Rear paper jams 3-69
Front paper jams 3-69
241—245 paper jams . 3-70
250 paper jam 3-71
260 paper jam 3-72
271—279 paper jams . 3-72
280 paper jam 3-73
281 paper jam 3-74
282 paper jam 3-74
283 staple jam . 3-75
Repair information . .4-1
Handling ESD-sensitive parts . .4-1
Adjustments . .4-2
Polygon and Oscillating printhead mechanical registration adjustment .4-2
Oscillating printhead assembly electronic adjustment ..4-3
Alignment assembly adjustment . .4-4
Fuser solenoid adjustment . .4-6
Gap adjustment .4-6
Removals .  . .4-7
Charge roll assembly removal (T650, T652, T654) . .4-7
Duplex assembly removal (T652, T654) . .4-8
Duplex cooling fan removal (T652, T654) .4-9
Duplex drive motor assembly removal (T652, T654) .4-10
Duplex input sensor assembly removal (T652, T654) . .4-11
Duplex guide assembly, front removal (T652, T654) .4-11
Media turn guide removal (T650, T652, T654) . .4-13
Fuser access door assembly removal (T650, T652, T654) . .4-13
Main cooling fan removal (T650, T652, T654) .4-15
Fuser drive release linkage removal (T650, T652, T654) . .4-16
Fuser unit assembly removal (T650, T652, T654) .4-17
Fuser wiper cover assembly removal (T650, T652, T654) .4-18
HVPS card assembly removal (T650, T652, T654) .4-19
Inner deflector removal (T650, T652, T654) . .4-19
LCD screen bezel removal (T650, T652, T654) . .4-20
Laser cover removal (T650, T652, T654) .4-21
Side cover, left removal (T650) . .4-23
Side cover, left removal (T652 and T654) . .4-24
Option drive shaft removal (T650, T652, T654) .4-25
Main drive motor assembly removal (T650, T652, T654) . .4-26
Alignment assembly removal (T650, T652, T654) .4-27
Output cover assembly removal (T650, T652, T654) .4-29
Media out actuator removal (T650, T652, T654) .4-29
Media support removal (T650, T652, T654) .4-30
Tray roller catch assembly removal (T650, T652, T654) . .4-30
MPF cam gear removal (T650, T652, T654) .4-31
MPF lift plate assembly removal (T650, T652, T654) .4-31
MPF media out actuator removal (T650, T652, T654) . .4-32
MPF pick roll assembly removal (T650, T652, T654) .4-32
MPF pick solenoid assembly removal (T650, T652, T654) . .4-33
MPF tray door assembly removal (T650, T652, T654) . .4-35
Operator panel latch assembly removal (T650, T652, T654) .4-38
Operator panel door assembly removal (T650, T652, T654) .4-38
Operator panel hinge assembly, left removal (T650, T652, T654) . .4-40
Operator panel hinge assembly, right removal (T650, T652, T654) .4-41
Pick arm assembly removal (T650, T652, T654) .4-43
Pick roll assembly removal (T650, T652, T654) .4-45
Print cartridge cooling fan removal (T650, T652, T654) . .4-45
Print cartridge clamp assembly removal (T650, T652, T654) . .4-46
Print cartridge ID connector assembly removal (T650, T652, T654) . .4-47
Printhead assembly removal (T650) . .4-48
Printhead assembly removal (T652, T654) .4-49
Connection access cover, rear removal (T650, T652, T654) .4-51
Connection bezel assembly, rear removal (T650) .4-51
Connection bezel assembly, rear removal (T652, T654) . .4-52
Door assembly, rear removal (T650, T652, T654) . .4-53
Duplex guide assembly, rear removal (T652, T654) . .4-53
Cover assembly, rear lower removal (T650) . .4-55
Cover assembly, rear lower (T652, T654) . .4-55
Redrive motor assembly removal (T652, T654) .4-56
Side cover, right removal (T650) .4-58
Side cover, right removal (T652, T654) . 4-59
Sensor (duplex input) removal (T652, T654) . 4-59
Sensor (media level) removal (T650, T652, T654) . 4-60
Sensor (media out) removal (T650, T652, T654) 4-60
Sensor (toner empty) removal (T650, T652, T654) 4-61
Sensor (input) removal (T650, T652, T654) 4-61
Sensor shield assembly removal (T650, T652, T654) 4-62
Standard bin actuator assembly removal (T650, T652, T654) . 4-63
Sensor (standard bin exit) removal (T650, T652, T654) 4-63
Sensor (toner density) removal (T650, T652, T654) . 4-64
Switch (media size) assembly removal (T650, T652, T654) . 4-64
LVPS card assembly removal (T650) . 4-65
LVPS card assembly removal (T652, T654) 4-68
Access door removal (T650, T652, T654) . 4-70
System card assembly removal (T650, T652, T654) . 4-71
Transfer roll assembly removal (T650, T652, T654) . 4-74
Transfer roll bracket assembly, left removal (T650, T652, T654) 4-75
Transfer roll bracket assembly, right removal (T650, T652, T654) . 4-76
Transfer deflector removal (T650, T652, T654) . 4-77
Redrive assembly removal (T650, T652, T654) . 4-78
Option removals 4-79
High capacity input tray . 4-79
High capacity input tray (HCIT) media tray assembly removal 4-80
High capacity input tray (HCIT) tray cover, front removal 4-81
High capacity input tray (HCIT) cover, rear removal 4-83
High capacity input tray (HCIT) cover, right removal 4-85
High capacity input tray (HCIT) cover, left removal . 4-87
High capacity input tray (HCIT) anti-tip latch assembly removal 4-89
High capacity input tray (HCIT) drawer slide assembly removal 4-90
High capacity input tray (HCIT) tray lift drive motor assembly removal 4-91
High capacity input tray (HCIT) controller card assembly removal 4-92
High capacity input tray (HCIT) media size actuator assembly removal 4-93
Sensor (HCIT tray raised HP) with cable assembly removal 4-95
Sensor (HCIT pass through) with cable removal . 4-97
High capacity input tray (HCIT) pick arm bracket assembly removal 4-98
High capacity input tray (HCIT) tray closed latch with spring removal 4-100
250-sheet media tray assembly removal . 4-101
250-sheet option drawer assembly removal 4-101
250-sheet pick arm bracket assembly removal . 4-102
250-sheet media out actuator removal 4-103
Anti-tip latch assembly removal 4-103
250-sheet frame assembly removal. 4-104
Sensor (pass through) with cable removal . 4-105
250-sheet controller card assembly removal . 4-108
Media size actuator removal . 4-110
Media tray catch spring removal . 4-111
Tray roller catch assembly removal . 4-113
550-sheet option tray assembly 4-114
550-sheet media tray assembly removal . 4-115
550-sheet option drawer assembly removal 4-115
550-sheet pick arm bracket assembly removal . 4-116
550-sheet bellcrank recoil spring removal . 4-117
Media out actuator removal (models T652 and T654) 4-117
Anti-tip latch assembly removal 4-118
550-sheet frame assembly removal . 4-119
Upper interface cable assembly removal 4-121
Lower interface cable assembly removal 4-121
Sensor (pass through) with cable removal . 4-122
550-sheet controller card assembly removal . 4-122












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