HP LaserJet 5Si Family Printers Service Manual, C4077-90960 (EN)

Service Manual HP LaserJet 5Si (C3166A) HP LaserJet 5Si MX (C3167A) HP LaserJet 5Si NX (C3950A) HP LaserJet 5Si HM (C3124A) HP LaserJet 5Si Mopier (C4076A/C4077A/C4176A)

Стр. 2

© Copyright Hewlett-Packard Company 1997 Warranty The information contained in this document is subject to change without notice. WARNING Electrical Shock Hazard To avoid electrical shock, use only supplied power cords and connect only to properly grounded (3-hole) wall outlets. All Rights Reserved. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties or merchantability and fitness for a particular purpose.

Publication number c4077-90960 Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damaged in connection with the furnishing, performance, or use of this material. First edition, September 1997 Hewlett-Packard Company 11311 Chinden Boulevard Boise, Idaho 83714

Стр. 3

Conventions This manual uses the following conventions: The names of major printer parts and assemblies are Capitalized. Color is used to emphasize items which are important to the material under discussion. Bold is used for emphasis, particularly in situations where italic type would be confusing. Italic type is used to indicate related documents or emphasis. Note Notes contain important information set off from the text. Caution Caution messages alert you to the possibility of damage to equipment or loss of data. WARNING! Warning messages alert you to the possibility of personal injury. i

Стр. 4

Chapter Descriptions 1 Product Information Contains printer features and product overview, tray capacities and sizes, media specifications, service approach, and how to get technical assistance. 2 Site Requirements Contains space and environmental requirements. 3 Operating Overview Contains details about control panel menus, restoring factory defaults, and resetting and testing the printer. 4 Maintenance and Adjustments Contains cleaning and preventive maintenance information, and adjustment procedures for Tray 2, Tray 3, and Tray 4. 5 Functional Overview Contains block diagrams and basic theory of operation for the printer systems, paper paths, and paper handling accessories.

6 Removal and Replacement Contains step-by-step procedures for replacing field replaceable units (FRUs) in the printer, 2000-Sheet Input Unit, Multi-Bin Mailbox, and the Mailbox with Stapler. 7 Troubleshooting Contains a preliminary troubleshooting table, a table with descriptions and recommended actions for all control panel messages, image defect samples, and troubleshooting checks and tools. 8 Parts and Diagrams Contains exploded view drawings and part number listings for all replaceable parts in the printer, 2000-Sheet Input Unit, Multi-Bin Mailbox, and Mailbox with Stapler. A Parts Index Contains two replaceable parts tables:

one sorted alphabetically by part name, and one sorted numerically by part number. Both tables are cross referenced to the diagrams in Chapter 8. ii

Стр. 5