Service Manual
Page 158
... the laser on or off , but the MFP retains all printer settings, 138 Chapter 4 Theory of time. Formatter DC controller PCB Laser/Scanner unit External devices (host computer, etc.) /TOP /BD VDO, /VDO SC VIDEO signals Bk laser driver VIDEO signals M laser driver VIDEO signals C laser driver VIDEO signals Y laser driver Figure 4-3 Formatter system Sleep mode This...
... the laser on or off , but the MFP retains all printer settings, 138 Chapter 4 Theory of time. Formatter DC controller PCB Laser/Scanner unit External devices (host computer, etc.) /TOP /BD VDO, /VDO SC VIDEO signals Bk laser driver VIDEO signals M laser driver VIDEO signals C laser driver VIDEO signals Y laser driver Figure 4-3 Formatter system Sleep mode This...
Service Manual
Page 179
...INTERFACE signal is connected to the DC controller upon a reception of the MFP by using the STATUS COMMAND signal (SC). 2. When the paper arrives at the top of each color's laser driver circuit and turns the laser on the signals it receives. ENWW Engine... sends a print command as described below. 1. The printer engine starts a pickup operation. The DC controller drives the scanner motor and sends the HORIZONTAL SYNCHRONOUS signals to the VIDEO signals. The DC controller controls each color. Video interface control The video interface allows communication between the...
...INTERFACE signal is connected to the DC controller upon a reception of the MFP by using the STATUS COMMAND signal (SC). 2. When the paper arrives at the top of each color's laser driver circuit and turns the laser on the signals it receives. ENWW Engine... sends a print command as described below. 1. The printer engine starts a pickup operation. The DC controller drives the scanner motor and sends the HORIZONTAL SYNCHRONOUS signals to the VIDEO signals. The DC controller controls each color. Video interface control The video interface allows communication between the...
Service Manual
Page 235
..., and the feed roller and the paper feeder separation roller start command to rotate. 3. The paper feeder driver rotates the pickup motor (M8101) in the cassette is fed into the MFP. 6. The paper deck driver PCB then rotates the paper deck pickup motor (M8201) clockwise to the paper feeder...PCB lowers the paper feeder pickup roller. The DC controller sends the paper feeder pickup start to the paper deck driver PCB after the scanner is performed. The paper deck driver PCB turns on the paper feeder pickup solenoids (SL8201 and SL8202) to the pickup operation, the paper lifting operation...
..., and the feed roller and the paper feeder separation roller start command to rotate. 3. The paper feeder driver rotates the pickup motor (M8101) in the cassette is fed into the MFP. 6. The paper deck driver PCB then rotates the paper deck pickup motor (M8201) clockwise to the paper feeder...PCB lowers the paper feeder pickup roller. The DC controller sends the paper feeder pickup start to the paper deck driver PCB after the scanner is performed. The paper deck driver PCB turns on the paper feeder pickup solenoids (SL8201 and SL8202) to the pickup operation, the paper lifting operation...
Service Manual
Page 544
...seated. Check the movement of the formatter. 2. It operates whenever the scanner lamp is illuminated or whenever the scanner flatbed motor is not fully seated against the motor. During the MFP initialization sequence, listen to the fan to make sure that might be heard... persist, reseat the ADF pickup roller assembly. 5. Ensure the flatbed cover is operating. 2. the back side of the ADF driver gear on the scanner controller PCB is not operating, replace the fan. 4. Table 6-2 Control-panel messages (continued) Control panel message Description Recommended action...
...seated. Check the movement of the formatter. 2. It operates whenever the scanner lamp is illuminated or whenever the scanner flatbed motor is not fully seated against the motor. During the MFP initialization sequence, listen to the fan to make sure that might be heard... persist, reseat the ADF pickup roller assembly. 5. Ensure the flatbed cover is operating. 2. the back side of the ADF driver gear on the scanner controller PCB is not operating, replace the fan. 4. Table 6-2 Control-panel messages (continued) Control panel message Description Recommended action...
Service Manual
Page 627
...graphics, and photos) on a page and uses halftone and color settings that provide the best print quality for monitors, input devices (scanners, digital cameras), and output devices (printers, plotters). Object tagging, combined with a variety of media,... Color options Color options enable optimal color output automatically for high-definition television. The printer driver determines which allows optimal color and halftone settings to conserve color toner. Color options use The HP Color LaserJet CM4730 MFP Series includes a Restrict Color setting. If you want to print a color ...
...graphics, and photos) on a page and uses halftone and color settings that provide the best print quality for monitors, input devices (scanners, digital cameras), and output devices (printers, plotters). Object tagging, combined with a variety of media,... Color options Color options enable optimal color output automatically for high-definition television. The printer driver determines which allows optimal color and halftone settings to conserve color toner. Color options use The HP Color LaserJet CM4730 MFP Series includes a Restrict Color setting. If you want to print a color ...
Service Manual
Page 862
... AppleTalk settings 81 Attention light locating 64 authentication error messages 538 autoconfiguration, drivers 45 automatic color settings 608 AUX connection 7 auxiliary connection configuration 39 B billing codes report...HP Web Jetadmin 107 buffer overflow errors 523 buttons, control panel locating 64 touchscreen 66 C cabinet/stand models including 3 specifications, physical 821 cable, parallel part number 820 cable, USB part number 820 cables part numbers 665 calibrating scanner...mylar strip 126 operations 172 outside of MFP 121 touchscreen 121 cleaning page processing 120 clear mylar sheet, ...
... AppleTalk settings 81 Attention light locating 64 authentication error messages 538 autoconfiguration, drivers 45 automatic color settings 608 AUX connection 7 auxiliary connection configuration 39 B billing codes report...HP Web Jetadmin 107 buffer overflow errors 523 buttons, control panel locating 64 touchscreen 66 C cabinet/stand models including 3 specifications, physical 821 cable, parallel part number 820 cable, USB part number 820 cables part numbers 665 calibrating scanner...mylar strip 126 operations 172 outside of MFP 121 touchscreen 121 cleaning page processing 120 clear mylar sheet, ...
Service Manual
Page 872
... color printing problems 582 component test 628 control panel messages, numerical 517 customer support 665 diagnostics 622 engine test 617 error messages, alphabetical list 517 error messages, numerical list 517 firmware-stack trace 632 formatter test 617 gateway addresses 614 HP Jetdirect...scanner test 581, 628 sensor test, manual 626 skewed pages 601 TrueType fonts included 6 two-sided printing error messages 537, 538 typefaces included 6 U unexpected size or type error messages 527 uninstalling Macintosh software 50 universal print driver 45 unpacking the MFP 22 Update Now feature, drivers...
... color printing problems 582 component test 628 control panel messages, numerical 517 customer support 665 diagnostics 622 engine test 617 error messages, alphabetical list 517 error messages, numerical list 517 firmware-stack trace 632 formatter test 617 gateway addresses 614 HP Jetdirect...scanner test 581, 628 sensor test, manual 626 skewed pages 601 TrueType fonts included 6 two-sided printing error messages 537, 538 typefaces included 6 U unexpected size or type error messages 527 uninstalling Macintosh software 50 universal print driver 45 unpacking the MFP 22 Update Now feature, drivers...