PHASER™ 4400 LASER PRINTER Service Manual Warning The following servicing instructions are for use by qualified service personnel only. To avoid personal injury, do not perform any servicing other than that contained in the operating instructions, unless you are qualified to do so.
Fault Reporting Devices ......... 2-58 Introduction This section covers troubleshooting procedures for the Phaser 4400 Laser Printer’s front panel error messages. Only jams and fatal errors will produce an associated numeric code.
Unless otherwise specified, the following voltage tolerances are used within this section: Voltage Measurements Stated Measured Stated Measured +3.3 VDC +3.0 to 3.6 VDC +24.0 VDC +21.6 to +26.4 VDC +5.0 VDC +4.8 to +5.2 VDC 0.0 VDC Less than +0.5 VDC Phaser 4400 Laser Printer Service Manual...
. The other is the Engine Test Print, which Print Test Prints is stored in the Engine Logic Board and is accessible through the Engine Test Print menu in Service Diagnostics. Phaser 4400 Laser Printer Service Manual...
Vacuum out any loose toner from the interior of the printer with a Type II toner vacuum only. Remove and clean the paper trays. Clean feeder rollers with a lint-free cloth lightly dampened with water. Phaser 4400 Laser Printer Service Manual...
2 is attached to the other end that is plugged into plug 2. The following abbreviations are used in the parts lists text and illustrations: P/J — Plug/Jack P/O — Part of W/ — With W/O — Without Phaser 4400 Laser Printer Service Manual...