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Lexmark C792e, C792de, C792dte, C792dhe, Service Manual & Parts List
This service manual, is the full Lexmark C792e, C792de, C792dte, C792dhe Service Repair Manual.
This manual, Lexmark C792e, C792de, C792dte, C792dhe, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Lexmark C792e, C792de, C792dte, C792dhe copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Lexmark C792e, C792de, C792dte, C792dhe photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
Notices and safety information
Laser notice
Safety information
Preface
Navigation buttons
Conventions
GENERAL INFORMATION
Models
Maintenance approach
Printer configurations
Options and features
Printer specifications
Paper sizes supported by the printer
Paper types and weights supported by the printer
Paper types and weights supported by the output bins
Media guidelines
Paper
Paper characteristics
Unacceptable paper
Selecting paper
Tools required for service
Acronyms
DIAGNOSTIC INFORMATION
Troubleshooting map
Error code divisions
Power-on Self Test (POST) sequence
Paper jams
Understanding jam numbers and locations
200 paper jam
201 paper jam
202-203 paper jams
230-239 paper jams
24x paper jam
250 paper jam
Print quality
Symptom table-print quality
Background (fog)
Blank page
Blurred or fuzzy print
Characters have jagged or uneven edges
Clipped images
Colors not properly aligned
Horizontal banding
Horizontal lines
Light colored line, white line, or incorrectly colored line
Media damage
Mottle (2-5mm speckles)
Print irregularities
Print is too dark
Print is too light
Random marks
Repeating defects
Shadow images
Skew
Solid color or black pages
Toner rubs off
Transparency print quality is poor
Uneven print density
Vertical banding
Vertical lines
User messages
User prompts
User attendance messages (0-99)
Service errors
Printer hardware errors (100-199)
Firmware and/or system electronics (900-999)
Symptoms
Symptom table-base printer
Symptom table-500-sheet tray input option
Symptom table-2000-Sheet High Capacity Feeder input option
Service checks
https://www.tradebit.com-Printhead error service check
https://www.tradebit.com-Motor (fuser) error service check
https://www.tradebit.com-Fuser error service check
https://www.tradebit.com error service check
https://www.tradebit.com-LVPS error service check
https://www.tradebit.com-Cartridge sensor error service check
https://www.tradebit.com-Black cartridge motor error service check
https://www.tradebit.com-Cyan cartridge motor error service check
https://www.tradebit.com-Magenta cartridge motor error service check
https://www.tradebit.com-Yellow cartridge motor error service check
https://www.tradebit.com-Autocomp (tray 1) motor error service check
https://www.tradebit.com-Staging motor error service check
https://www.tradebit.com-Paper path redrive motor error service check
https://www.tradebit.com-Duplex motor error service check
https://www.tradebit.com-ITU motor error service check
https://www.tradebit.com-Main fan error service check
https://www.tradebit.com-LVPS fan error service check
https://www.tradebit.com-Blower fan error service check
200.02-Paper Jam error service check
200.03, 200.08-Paper Jam error service check
200.05, 200.07-Paper Jam error service check
200.32-Paper Jam error service check
200.33, 200.38-Paper Jam error service check
200.35, 200.37-Paper Jam error service check
200.42-Paper Jam error service check
200.43, 200.48-Paper Jam error service check
200.45, 200.47-Paper Jam error service check
201.03, 201.05, 201.07, 201.08-Paper Jam error service check
202.32-Paper Jam error service check
241.02-Paper Jam error service check
242.01, 243.01, 244.01, 245.01 - Paper Jam (550-sheet/2000-sheet input option) service check
241.03, 242.03, 243.03, 244.03, 242.05, 243.05, 244.05, 245.05-Paper jam (550-sheet/2000-sheet input option) service check
242.08, 243.08, 244.08, 245.08-Paper jam (550-sheet/2000-sheet input option) service check
250.21, 250.22-MPF motor error service check
https://www.tradebit.com-Software error service check
938.16-MPF paper out sensor error service check
938.18-Waste toner sensor error service check
938.19-Waste toner full sensor error service check
938.27, 938.29, 938.30-Weather station error service check
938.28-Remote weather station error service check
950.00-950.29-EPROM mismatch failure
https://www.tradebit.com-System board failure service check
990.01-POST error (2000-sheet input option) service check
990.05-POST error (550-sheet input option) service check
Bubble sensor service check
D1 and D2 sensor service check
Dead printer service check
Double feed (550-sheet/2000-sheet input option) service check
Input option not detected (550-sheet/2000-sheet input option) service check
Input, S1, narrow media, and near narrow media sensor service check
Jam clearance cover open (550-sheet/2000-sheet input option) service check
Media size error (550-sheet/2000-sheet input option) service check
Media tray missing (550-sheet input option) service check
Media tray missing (2000-sheet input option) service check
Networking service check
Bin-full sensor service check
Pick arm stuck down service check
Redrive bubble sensor service check
Skew (550-sheet input option) service check
Skew (2000-sheet input option) service check
Tray empty (2000-sheet input option) service check
Tray jam indicator (550-sheet/2000-sheet input option) service check
Tray linking service check
DIAGNOSTIC AIDS
Understanding the operator panel and menus
Operator panel
Understanding the home screen
Using the touch-screen buttons
Other touch-screen icons
Administrative menus
Accessing service menus
Diagnostics menu
Diagnostics menus
Exiting the Diagnostics mode
DUAL DIODE ADJUST
REGISTRATION
Alignment Menu
Setting alignment for color
Adjusting Linearity
Drift Sensors
MISC TESTS
Toggle ITU
Printhead Inst
Auto Detect
PRINT TESTS
Print Tests (input sources)
Print Quality Pages
HARDWARE TESTS
Panel Test
Button Test
DRAM Test
Serial Wrap Test
USB HS Test Mode
Beacons Test
DUPLEX TESTS
Duplex Quick Test
Duplex Top Margin Offset
INPUT TRAY TESTS
Feed Test
Sensor Test
OUTPUT BIN TESTS
Feed Test
Feed to All Bins
Sensor Test
Diverter Test
Mechanical Test
FINISHER TESTS
Staple Test
Hole Punch Test
Finisher Feed Test
Finisher Sensor Test
BASE SENSOR TEST
DEVICE TESTS
Quick Disk Test
Disk Test/Clean
Flash Test
PRINTER SETUP
Defaults
Serial Number
Engine Setting x
Model Name
Configuration ID
Reset Color Calibration
Cal Ref Adj
Par 1 Strobe Adj
EP SETUP
EP Defaults
Fuser Temp
DC Charge Adjustment
Dev Bias Adj
Transfer Adjust
Op Point Boost
EVENT LOG
Display Log
Print Log
Clear Log
Exit Diags
Configuration Menu
Entering the Configuration Menu
Exiting the Configuration Menu
Black Only Mode
Print Quality Pages
Reports
Color Trapping
Tray Insert Msg
SIZE SENSING
Panel Menus
PPDS Emulation
Download Emuls
Factory Defaults
Energy Conserve
Color Adjustment
Auto Align Adj
Color Alignment
Motor Calibration
Paper Prompts
Envelope Prompts
Action for Prompts
Jobs On Disk
Disk Encryption
Wipe Disk
Font Sharpening
Require Standby
UI Automation
Key Repeat Initial Delay
Key Repeat Rate
Clear Custom Status
USB Speed
Exit Config Menu
Theory of operation
Paper path, transport components
Paper path Information
Transport components
Bubble sensors
Duplexing (models with duplex support only)
Print engine theory
Electrophotographic Process (EP Process)
Electrophotographic process basics
Step 1: Charge
Step 2: Expose
Step 3: Develop
Step 4a: First transfer
Step 4b: Second transfer
Step 5: Fuse
Step 6: Clean/Erase
Printhead verification
REPAIR INFORMATION
Handling ESD-sensitive parts
Removal procedures
Arrangement of removals in this chapter
Base printer cover removals
Front access door assembly removal
Left access door assembly removal
Left cover removal
Lower left cover removal
Lower frame cable cover removal
viii Service Manual
5062
Multipurpose feeder (MPF) cover removal
OP panel bezel removal
OP panel cover removal
Printhead access cover removal
Rear cover removal
Rear upper cover removal
Right cover removal
System board shield door removal
System board shield removal
Top cap cover removal
Top cover removal
Waste toner left cover removal
Waste toner sensor cover removal
Base printer removals
ACM bias spring removal
Bin-full flag removal
Bin-full sensor removal
Cartridge blower assembly removal
Cartridge contact block assembly removal
Cartridge memory block removal
Cartridge metering cable removal
Cartridge rail removal
Datum bell crank removal
Duplex assembly removal
EP drive assembly removal
Exit cooling duct removal
Front access door beacon removal
Fuser assembly removal
Fuser drive assembly removal
Fuser system card and LVPS cable removal
Fuser thermistor removal
High-voltage power supply (HVPS) board removal
Host USB cable removal
Housing interlock assembly removal
ITU assembly removal
ITU autoconnect removal
ITU block assembly removal
Left access door piston removal
Logo panel removal
Low-voltage power supply (LVPS) removal
LVPS exit duct removal
LVPS fan removal
Main fan removal
Media tray rail removal
MPF breakaway assemblies removal
MPF paper pick assembly removal (including the MPF ratchet collar and MPF drive pulley)
MPF pick rolls and special wear strip removal
MPF drive assembly removal
MPF sensor plate assembly removal
MPF wear strips removal
Operator panel (OP) assembly removal
OP panel button removal
OP panel display removal
OP panel UICC card removal
Pad removal
Paper auto-size sensor removal
Paper path redrive assembly with sensors removal
Paper pick mechanism assembly removal
Pick rolls removal
Printhead removal, installation, and alignment
Installing and coarse aligning the printhead
Aligning the printhead
Dual diode alignment
Registration (black)
Color alignment (cyan, yellow, and magenta)
Redrive gears removal
Redrive motor removal
Sensor (D1, D2, and fuser bubble) removal
Sensor (input, S1, narrow media, near narrow media) removal
Speaker removal
Staging deflector assembly removal
Staging paper path reference edge assembly removal
Aligning the staging paper path reference edge
Standard media tray removal
System board removal
System board cage with board removal
Waste toner container removal
Waste toner gears removal
Waste toner sensor removal
Waste toner cable removal
Waste toner full cable removal
Waste toner full sensor removal
Waste toner tray bracket removal
Input option removals
550-sheet tray
550-sheet drawer assembly removal
550-sheet media tray assembly removal
550-sheet tray controller card assembly removal
550-sheet tray deflector removal
550-sheet tray drive assembly removal
550-sheet tray left anti-tip latch removal
550-sheet tray pass thru sensor removal
550-sheet tray pick assembly removal
550-sheet tray pick roll assembly removal
550-sheet tray right anti-tip latch assembly removal
550-sheet tray top metal cover removal
2000-sheet high-capacity feeder
2000-sheet high-capacity feeder bellcrank assembly removal
2000-sheet high-capacity feeder controller card assembly removal
2000-sheet high-capacity feeder drive assembly removal
2000-sheet high-capacity feeder elevator home sensor removal
2000-sheet high-capacity feeder jam clearance cover removal
2000-sheet high-capacity feeder jam clearance top cover removal
2000-sheet high-capacity feeder jam door clearance sensor removal
2000-sheet high-capacity feeder LED bracket removal
2000-sheet high-capacity feeder left anti-tip latch assembly removal
2000-sheet high-capacity feeder left side cover removal
2000-sheet high-capacity feeder lift drive gear assembly removal
2000-sheet high-capacity feeder lift drive motor assembly removal
2000-sheet high-capacity feeder media tray assembly removal
2000-sheet high-capacity feeder pass thru sensor removal
2000-sheet high-capacity feeder pick assembly removal
2000-sheet high-capacity feeder pick roll assembly removal
2000-sheet high-capacity feeder rear cover removal
2000-sheet high-capacity feeder right anti-tip latch assembly removal
2000-sheet high-capacity feeder right side cover removal
Output option removals
5-bin mailbox
5-bin mailbox access door removal
5-bin mailbox assembly media bin full actuator removal
5-bin mailbox assembly sensor (pass thru) removal
5-bin mailbox assembly spring removal
5-bin mailbox backup roll plate assembly removal
5-bin mailbox bin-full beacon card and covers removal
5-bin mailbox cave beacon removal
5-bin mailbox controller card removal
5-bin mailbox diverter solenoid removal
5-bin mailbox feed motor with plate removal
5-bin mailbox front cover removal
5-bin mailbox option cable removal
5-bin mailbox output bin deflector removal
5-bin mailbox output bin paper bail removal
5-bin mailbox output bin sensors removal
5-bin mailbox paper jam beacon removal
5-bin mailbox rear cover removal
5-bin mailbox top cover removal
5-bin mailbox tray extension removal
StapleSmart finisher and High-capacity output stacker
Finisher or stacker access door beacon LED and beacon housing removal
Finisher or stacker bin-full spring removal
Finisher or stacker bottom cover removal
Finisher or stacker controller card assembly removal
Finisher or stacker feed roller removal
Finisher or stacker front cover removal
Finisher or stacker LED sensor cover removal
Finisher or stacker left access door assembly removal
Finisher or stacker media stack flap and media stack flap actuator removal
Finisher or stacker option cable removal
Finisher or stacker output bin extension removal
Finisher or stacker output bin LED and LED lens removal
Finisher or offset stacker paddle drive gear removal
Finisher or stacker paddle drive motor assembly removal
Finisher or stacker rear cover removal
Finisher or stacker sensor (bin-full receive) removal
Finisher or stacker sensor (bin-full send) removal
Finisher or stacker sensor (finisher bin media present) removal
Finisher or stacker sensor (paddle HP) removal
Finisher sensor (stapler access door interlock) removal
Finisher sensor (stapler pass thru) removal
Finisher or stacker sensor (tamper HP left and right) removal
Finisher or stacker standard output bin LED and LED lens removal
Finisher or stacker tamper drive belt removal
Finisher or stacker tamper drive motor assembly removal
Finisher or stacker tamper recoil spring removal
Finisher or stacker top cover removal
Finisher stapler unit assembly removal
Horizontal transport unit (HTU)
HTU access door removal
HTU access door paper jam beacon (with cover and cable) removal
HTU access door rollers removal
HTU bin diverter gate spring removal
HTU bin media exit spring removal
HTU card (bin-full receive card and lens) removal
HTU card (bin-full send card and lens) removal
HTU controller card removal
HTU drive belt removal
HTU drive gear spring removal
HTU engagement roller removal
HTU exit roller removal
HTU front redrive cover removal
HTU front standard bin cover removal
HTU locking lever removal
HTU locking lever card removal
HTU lower redrive guide removal
HTU option hook removal
HTU option roller removal
HTU output bin removal
HTU output bin extension removal
HTU output bin solenoid removal
HTU output bin wire stop removal
HTU output option guide removal
HTU output option solenoid removal
HTU output sensor removal
HTU outer front cover removal (AIO only)
HTU rear redrive cover removal
HTU rear standard bin cover removal
HTU right bottom cover removal
HTU right inner cover removal
HTU sensor (access door interlock) removal
HTU sensor (empty bin) removal
HTU sensor (input) removal
HTU sensor (output option position) removal
HTU sensor (second) removal
HTU sensor cable (bin-full send and receive) removal
HTU stopper diverter removal
HTU timing belts (rear) removal
HTU to printer cable removal
HTU top redrive cover removal
HTU top right cover removal
HTU transport gear removal
HTU transport motor removal
HTU upper exit shaft removal
HTU upper guide removal
CONNECTOR LOCATIONS
Locations
System board cabling reference
Connectors
System board
550-sheet tray option system card
2000-sheet high-capacity feeder option system card
UICC card
5-bin mailbox- printer circuit board
PREVENTIVE MAINTENANCE
Safety inspection guide
Lubrication specifications
Lubrication for replacement motors
Redrive parts packet
Fuser drive assembly
PARTS CATALOG
How to use this parts catalog
Assembly 1: Top, right, and front covers
Assembly 2: Left and rear covers
Assembly 3: Front
Assembly 4: Left
Assembly 5: Rear
Assembly 6: Optional 550-sheet tray
Assembly 7: Optional 550-sheet drawer assembly
Assembly 8: Optional 2000-sheet high-capacity feeder
Assembly 9: Finisher assembly
Assembly 10: Finisher stapler assembly
Assembly 11: High-capacity output stacker
Assembly 12: Internal options
Assembly 13: Miscellaneous
Cable and thermistor location table
Screw and retainer identification table
Appendix A-Print samples
Print tests
Print Quality Pages-Title page (total of five)
Print Quality Pages-Page 1 (total of five)
Print Quality Pages-Page 2 (total of five)
Print Quality Pages-Page 3 (total of five)
Print Quality Pages-Page 4 (total of five)
Registration and alignment
Quick Test Page
Printhead mechanical alignment test page
Printhead electronic alignment test page-Magenta (one of two)
Printhead electronic alignment test page-Magenta (two of two)
Printhead linearity test page
Index
Part number index
Number of pages: 630.
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