HP 4300 Support Question
HP 4300 Support Question
Find answers below for this question about HP 4300 - LaserJet B/W Laser Printer.Need a HP 4300 manual? We have 2 online manuals for this item!
Question posted by naseemjo on July 5th, 2012
How Can I Install Scanner On Hp4300v Officjet All-in-one
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Current Answers
Related HP 4300 Manual Pages
Service Manual - Page 7
... 163 Duplexing pendulum assembly 165 Tray 2 media-size sensor 167 Main cooling fan (left side 168 Cooling fan (right side; HP LaserJet 4300 series printer only 170 Laser/scanner assembly 173 Print-cartridge motor (HP LaserJet 4300 series printer only 175 Main motor 177 Tray 2 lifter-drive assembly 179 DC controller PCA 181
Q2431-90912
Table of contents v
Service Manual - Page 12
... only; 3 of figures
Q2431-90912 Laser/scanner (1 of 4 173
x List of 5 171 Figure 115. Fusing the image 124 Figure 56. Left-side cover (1 of 2 167 Figure 108. Tray 2 media-size sensor (2 of 2 151 Figure 84. Cooling fan (HP LaserJet 4300 series only; 4 of printer, input trays, and cabinet wheel locks 136 Figure 59. Figure 54...
Service Manual - Page 67
....
300: Produces draft print quality and can be used for compatibility with the HP LaserJet III family of printers.
600: Produces high-quality text print and can result in line art and graphic ...be used for compatibility with each media type back to configures the fuser mode associated with the HP LaserJet 4 family of paper, you are appearing. (See "Scattered lines" on page 321 and "Blurred...
Service Manual - Page 87
... the printer, the laser/scanner system (which forms the latent image on a photosensitive drum), the image formation system (which transfers a toner image onto the print media), and. During this section describes the basic operating sequence from when the printer power is detected by a microprocessor on until the main motor or drum motor (HP LaserJet 4300 only...
Service Manual - Page 89
... figure 233 on and the power supply sends dc voltage to operate motors, solenoids and other printer components based on page 67. HP LaserJet 4300 only
Figure 6. q DC controller PCA q Power supply assembly q Pickup and feed assembly q Laser/scanner assembly q Image formation system
q 500-sheet feeder q 1,500-sheet feeder q envelope feeder q Duplexer q Stacker and stapler...
Service Manual - Page 94
... LaserJet 4300 there are two types of the transfer roller. The dc positive bias is now visible on the photosensitive drum. Low-voltage circuit
The low-voltage circuit converts the ac power from sticking to clean residual toner off of developing biases.
Both biases are generated by printer components (like the main motor, laser/ scanner...
Service Manual - Page 99
... shutter and the media is fed into the printer. For the HP LaserJet 4300, the print cartridge motor power also is divided into the printer.
Paper pickup/feed block
Paper pickup/feed and fuser/delivery block diagram
Paper pickup and feed block
The printer functions that the laser/scanner is turned on. The paper pickup and feed...
Service Manual - Page 138
... media and the media is separated from the laser/scanner which neutralizes portions of the photosensitive drum. The...printer messages" on page 258 or "Numerical printer messages" on the photosensitive drum surface is scraped off of the drum to create the electrostatic latent image, which rotates the photosensitive drum (the HP LaserJet 4300 uses a separate print cartridge motor to the laser...
Service Manual - Page 141
...drum can be covered. Writing the image to diagnose problems with the laser diode or scanner motor. Writing the image
The laser/scanner contains two diodes in the top of the toner cartridge, and ...onto the photosensitive drum.
At the beginning of each successive sweep of a beam is how the printer achieves its...
Service Manual - Page 151
... Duplexing pendulum assembly 165 Tray 2 media-size sensor 167 Main cooling fan (left side 168 Cooling fan (right side; HP LaserJet 4300 series printer only) . . . . . 170 Laser/scanner assembly 173 Print-cartridge motor (HP LaserJet 4300 series printer only 175 Main motor 177 Tray 2 lifter-drive assembly 179 DC controller PCA 181 Paper-pickup assembly 183 Main drive...
Service Manual - Page 153
...wall receptacle) before touching an ESD-sensitive component. q Unplug the power cord from the laser/scanner assembly. q Replace all of removal. Replacement is removed from the power outlet at an...ESD mat (if available; q Place the product on an ESD mat, if one is installed on the
printer.
q Reconnect all power should be turned off and the product should be supplied to service ...
Service Manual - Page 155
... order in which parts must be removed to gain access to the transfer assembly and to the registration roller assembly. HP LaserJet 4300 only)2
Laser/scanner Paper-pickup assembly3 Print-cartridge motor (HP LaserJet 4300 only)4
Left-side cover7
Main motor DC controller assembly5
Main drive assembly6 Components listed with superscripts 1, 2, 5, 6
Registration-roller assembly
Output delivery...
Service Manual - Page 190
... anti-static bar (callout 2) bar off of 5)
170 Removing and replacing parts
Q2431-90912 Remove the anti-static bar. HP LaserJet 4300 series printer only)
This fan is not installed in the HP LaserJet 4200 series printer. 1. Remove the following assemblies:
q Top cover. Note
Cooling fan (right side; See "Right-side cover" on page 146. Cooling...
Service Manual - Page 194
...front mounting screws have grounding clips that the wire-harnesses are removed. CAUTION
Laser/scanner (4 of the laser/scanner assembly don't get snagged by the assembly when the assembly is installed.
174 Removing and replacing parts
Q2431-90912 Reinstall note
Laser/scanner (3 of the printer. Figure 120. 4. Do not turn the laser/scanner adjustment screw (circled). 34
Figure 119.
Service Manual - Page 195
... remove additional wire-harnesses from the DC controller PCA (location J86; Note Hint
Print-cartridge motor (HP LaserJet 4300 series printer only)
This motor is not installed on page 146. See "Top cover" on the HP LaserJet 4200 series printer. 1.
It might be necessary to the print-cartridge motor wire-harness.
1 2
Figure 121. See "Right-side...
Service Manual - Page 223
...installed. The paper-feed and transfer assembly must be correctly aligned when they are correctly positioned in the corresponding holes in the left side chassis. Slide the transfer assembly away from the laser/scanner... 7) on the chassis tray, the alignment tabs and pin (callout 8) on the laser/scanner shelf, and the left -side chassis. Figure 161.
Q2431-90912
Correct alignment of the...
Service Manual - Page 304
... the power supply. Replace the formatter assembly. Turn the printer off and allow it is installed 6 open fuser circuit
1. Numerical printer messages (continued)
Message
Description
Action
Continued 49.XXXX PRINTER ERROR
Continued
Continued 11. See "Formatter assembly" on page 161
49.24.02 PRINTER ERROR
The printer has experienced a critical error.
1. See "Power supply" on page...
Service Manual - Page 305
... 98 on
1. Q2431-90912
Chapter 7 Troubleshooting 285 Turn the printer off then on page 160.
54.1 REMOVE THE SEALING TAPE FROM TONER CARTRIDGE
The print cartridge was installed with
A printer error has occurred. Replace the laser/scanner assembly. Replace the laser/scanner assembly. See "DC controller PCA" on
A printer error has occurred. Remove the sealing tape from the...
Service Manual - Page 338
... damage.
q Replace the laser/scanner.
See "Print-cartridge motor (HP LaserJet 4300 series printer only)" on page 9. q Replace the DC controller PCA. Process a printer cleaning page.
path can cause...
The print cartridge or fuser is installed in the paper path. For more
(about 3.7 inches) Because the LJ 4300
information about troubleshooting repeating defects, see ...
Service Manual - Page 441
...expandability 3, 8 flash 128 insufficient 281 list of installed on envelopes 18 registration settings for the HP LaserJet family of pages printed 249 setting maintenance interval 249 ... Printer Status and Alerts 245
jams in printer 87 numerical list 274 PowerSave 127 Printer Status and Alerts 245 status 257 warning 257 MEt (Memory Enhancement technology) 129 mirrors in laser/scanner operation...
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