Lexmark X651de, X652de, X654de, X656de, X658de Service Manual (P/N 12G9823)
663 Pages • 21.43 MB • Instant, Printable PDF
Lexmark Models Covered & Key Technical Specifications
Models: Lexmark X651de, X652de, X654de, X656de, X656dte, X658d, X658de, X658dme, X658dfe, X658dte, X658dtme, X658dtfe
Sub-models / Variants: All-In-One laser MFP, 7462-series, Modem, Hard Drive, Duplex, Simplex, 250-sheet, 550-sheet
Model Years: 2010
Serial Numbers: 7462-XXX
Technical Data:
- Print technology: Electrophotographic (EP) laser printing
- Memory: 128 MB base printer memory
- Input capacity: Modular trays (250-sheet and 550-sheet) plus High Capacity Input Tray (HCIT)
- Output handling: Standard exit bin, optional 5-Bin Mailbox, StapleSmart finisher, output expander, high-capacity output stacker
- Media support: A4, letter, A5, B5, Executive, folio, statement, legal, envelopes, transparencies, card stock
- Network interface: Ethernet 10/100/1000, Wireless (802.11 b/g/n), Parallel 1284-B, RS-232-C Serial
Lexmark Manual Features & Content Preview
This original OEM service manual (P/N 12G9823) delivers definitive diagnostic data for the Lexmark X651de through X658de laser MFP family, including duplex-enabled and high-capacity tray variants. Designed specifically for factory-level maintenance, this 663-page guide serves as the primary reference for troubleshooting internal component faults on Machine Type 7462 hardware.
Instead of generic overviews, this documentation provides deep technical insights directly applicable to the shop floor. It covers start-up diagnostics, power-on reset sequences, and a comprehensive breakdown of 124 distinct error-code tables. Technicians can quickly reference complex issues such as printhead synchronization errors, laser power signal failures, and mechanical load faults within the main drive motor assembly.
Because working on high-voltage components like the LVPS card assembly or fuser units carries inherent electrical and thermal risks, this manual provides the exact factory specifications required to safely evaluate these systems. All service data is intended strictly for qualified personnel performing diagnostic evaluations.
Specification and Reference Data
To ensure accurate diagnostics during media jams and hardware failures, the manual includes specific reference values and operational parameters:
- Complete paper-path sensor diagrams and media verification checks to accurately isolate intake jams.
- Operational threshold data for HCIT, 250-sheet, and 550-sheet trays.
- Exploded views and replacement parameters for both Type 1 and Type 2 fuser unit assemblies.
- Voltage specifications and reference values for the printhead motor and LVPS card.
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