HP Printers - Supported Citrix Presentation Server environments
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... key is due to the initialization of the print spooler and the Citrix server. The process msiexec.exe might consume CPU resources and slow autocreation of the printer as well as other applications hosted on the Citrix server for a certain amount of such a key is HKEY_CURRENT_USER\Software....xxx.xxx or 61.xxx.xx.xxx will contain the fix for each printer autocreated. An example of time. HP Designjets and supported driver versions HP printer DJ 70/90 Supported in Citrix environment Not tested HPGL2 N/A HP-supported drivers* Host-based (PCL3 GUI) Not tested PS N/A DJ 100...
... key is due to the initialization of the print spooler and the Citrix server. The process msiexec.exe might consume CPU resources and slow autocreation of the printer as well as other applications hosted on the Citrix server for a certain amount of such a key is HKEY_CURRENT_USER\Software....xxx.xxx or 61.xxx.xx.xxx will contain the fix for each printer autocreated. An example of time. HP Designjets and supported driver versions HP printer DJ 70/90 Supported in Citrix environment Not tested HPGL2 N/A HP-supported drivers* Host-based (PCL3 GUI) Not tested PS N/A DJ 100...
Service Manual
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5 Functional information Printer subsystems 71 Power supply system 72 Ac/dc power distribution 72 Overcurrent overvoltage protection 73 High-voltage power distribution 74 Toner-cartridge detection 75 Dc controller system 75 Laser and scanner drive 76 Paper-motion monitoring and control 76 Solenoids, ...sensors, clutches, and switches 76 Engine test 76 Motors 77 Formatter system 78 PowerSave 78 Resolution Enhancement technology 78 EconoMode 79 Input/output 79 CPU 79 Printer memory 80...
5 Functional information Printer subsystems 71 Power supply system 72 Ac/dc power distribution 72 Overcurrent overvoltage protection 73 High-voltage power distribution 74 Toner-cartridge detection 75 Dc controller system 75 Laser and scanner drive 76 Paper-motion monitoring and control 76 Solenoids, ...sensors, clutches, and switches 76 Engine test 76 Motors 77 Formatter system 78 PowerSave 78 Resolution Enhancement technology 78 EconoMode 79 Input/output 79 CPU 79 Printer memory 80...
Service Manual
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5 Functional information Overview Printer subsystems 71 Power supply system 72 Ac/dc power distribution 72 Overcurrent overvoltage protection 73 High-voltage power distribution 74 Toner-cartridge detection 75 Dc controller system 75 Laser and scanner drive 76 Paper-motion monitoring and control 76 ...Solenoids, sensors, clutches, and switches 76 Engine test 76 Motors 77 Formatter system 78 PowerSave 78 Resolution Enhancement technology 78 EconoMode 79 Input/output 79 CPU 79 Printer memory 80...
5 Functional information Overview Printer subsystems 71 Power supply system 72 Ac/dc power distribution 72 Overcurrent overvoltage protection 73 High-voltage power distribution 74 Toner-cartridge detection 75 Dc controller system 75 Laser and scanner drive 76 Paper-motion monitoring and control 76 ...Solenoids, sensors, clutches, and switches 76 Engine test 76 Motors 77 Formatter system 78 PowerSave 78 Resolution Enhancement technology 78 EconoMode 79 Input/output 79 CPU 79 Printer memory 80...
Service Manual
Page 75
... Overcurrent overvoltage protection This circuit, located on the dc controller PCA, always monitors an abnormal rise in the faulty load, then turn the printer on the load side cause an excessive current flow from the +24 Vdc or +3.4 Vdc power supplies or generate abnormal voltage, the excess...-current protection system and excess-voltage protection system automatically shut off , and reports it is abnormal, the CPU identifies the fusing-roller heater error, turns the relay (RL1) off the output voltage to protect the power supplies. The circuit operates ...
... Overcurrent overvoltage protection This circuit, located on the dc controller PCA, always monitors an abnormal rise in the faulty load, then turn the printer on the load side cause an excessive current flow from the +24 Vdc or +3.4 Vdc power supplies or generate abnormal voltage, the excess...-current protection system and excess-voltage protection system automatically shut off , and reports it is abnormal, the CPU identifies the fusing-roller heater error, turns the relay (RL1) off the output voltage to protect the power supplies. The circuit operates ...
Service Manual
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High-voltage power distribution Figure 11. High-voltage power supply circuit In response to the instructions from the formatter PCA, this circuit applies the superimposed voltage of dc voltage and ac voltage to the primary charging roller and developing cylinder, and a positive or negative dc voltage to adjust the image density. 74 Functional information Q1860-90918 According to the image-density information sent from the microprocessor (CPU) on the dc controller, this circuit varies the primary dc bias and developing dc bias to the transfer charging roller.
High-voltage power distribution Figure 11. High-voltage power supply circuit In response to the instructions from the formatter PCA, this circuit applies the superimposed voltage of dc voltage and ac voltage to the primary charging roller and developing cylinder, and a positive or negative dc voltage to adjust the image density. 74 Functional information Q1860-90918 According to the image-density information sent from the microprocessor (CPU) on the dc controller, this circuit varies the primary dc bias and developing dc bias to the transfer charging roller.
Service Manual
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When the printer power switch is applied to drive the loads (such as laser diode, motors, and solenoids) based on the print commands and the image data received from the antenna inside the cartridge, and puts out the tonerdetection signal. The CPU detects the level of remaining toner and the presence of the cartridge...
When the printer power switch is applied to drive the loads (such as laser diode, motors, and solenoids) based on the print commands and the image data received from the antenna inside the cartridge, and puts out the tonerdetection signal. The CPU detects the level of remaining toner and the presence of the cartridge...
Service Manual
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...speed/full-speed rotations according to "L" and rotates the main motor. Figure 13. The dc controller board regulates the scanner motor. When the printer turns on, the CPU on the dc controller PCA initially causes the fan motor to half. If the printing ends, the fan motor runs at half speed. ...It rotates the scanner mirror during the initial rotation period (following power-on page 102 for specific timing details for the printer motors. When the...
...speed/full-speed rotations according to "L" and rotates the main motor. Figure 13. The dc controller board regulates the scanner motor. When the printer turns on, the CPU on the dc controller PCA initially causes the fan motor to half. If the printing ends, the fan motor runs at half speed. ...It rotates the scanner mirror during the initial rotation period (following power-on page 102 for specific timing details for the printer motors. When the...
Service Manual
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...default setting, YES, the I /O provides high-speed and two-way communication between multiple computers or networks connected to the printer. Flash Flash is compatible for older computers. EconoMode, which can be selected at the slower mode that is provided in.../O cards can be thought of forms, fonts, and signatures. The network version printers include the HP Jetdirect Print Server with the bidirectional parallel interface standard. Expanded I/O Optional expanded I /O is off. CPU The formatter PCA incorporates a 300 MHz processor. When it extend the toner cartridge...
...default setting, YES, the I /O provides high-speed and two-way communication between multiple computers or networks connected to the printer. Flash Flash is compatible for older computers. EconoMode, which can be selected at the slower mode that is provided in.../O cards can be thought of forms, fonts, and signatures. The network version printers include the HP Jetdirect Print Server with the bidirectional parallel interface standard. Expanded I/O Optional expanded I /O is off. CPU The formatter PCA incorporates a 300 MHz processor. When it extend the toner cartridge...
Service Manual
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... of the paper already fed. Then the registration clutch (CL405) turns on the photosensitive drum with the leading edge of time, the microprocessor (CPU) on the paper-handling PCA. The dc controller PCA sends the top of page signal (/TOP) to restart paper feed. There are detected ...align the image's leading edge on to the formatter PCA within a specified period of a paper jam. Paper feed system Figure 24. The paper in the printer are three photointerrupters (PS402, PS403, and PS1306) in Tray 1 is rotating. When the paper is fed from Tray 1, the Tray 1 pickup solenoid (...
... of the paper already fed. Then the registration clutch (CL405) turns on the photosensitive drum with the leading edge of time, the microprocessor (CPU) on the paper-handling PCA. The dc controller PCA sends the top of page signal (/TOP) to restart paper feed. There are detected ...align the image's leading edge on to the formatter PCA within a specified period of a paper jam. Paper feed system Figure 24. The paper in the printer are three photointerrupters (PS402, PS403, and PS1306) in Tray 1 is rotating. When the paper is fed from Tray 1, the Tray 1 pickup solenoid (...
Service Manual
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...the registration roller clutch (CL405) on within the specified period of time after the main motor (M1) and the scanner motor start and the printer is ready to feed one sheet is not turning, momentarily stopping the leading edge of paper. Printing from Tray 1 The presence of switches,..." starting on page 227 for locations of paper in Tray 1 is loaded. When the formatter PCA sends the /PRNT (print signal) to the printer, the CPU turns the Tray 1 pickup solenoid (SL404) on within a specified loop-forming time and feeds the paper through the registration roller paper sensor (PS403)...
...the registration roller clutch (CL405) on within the specified period of time after the main motor (M1) and the scanner motor start and the printer is ready to feed one sheet is not turning, momentarily stopping the leading edge of paper. Printing from Tray 1 The presence of switches,..." starting on page 227 for locations of paper in Tray 1 is loaded. When the formatter PCA sends the /PRNT (print signal) to the printer, the CPU turns the Tray 1 pickup solenoid (SL404) on within a specified loop-forming time and feeds the paper through the registration roller paper sensor (PS403)...
Service Manual
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The paper passes through the transfer area, feed belt, fuser, and delivery unit and outputs it to the printer, the CPU turns the Tray 2 pickup solenoid (SL306) on about 1.3 seconds after the main motor (M1) starts rotating, then turns on about 0.15 seconds after the scanner... and feeds the paper through the registration roller paper sensor (PS403) and stops at the registration roller that is fed into the printer as the feed rollers rotate. The CPU turns the feed roller clutch (CL406) off within a specified time and stops the feed roller rotation. Tray 2 Paper path Q1860-90918 ...
The paper passes through the transfer area, feed belt, fuser, and delivery unit and outputs it to the printer, the CPU turns the Tray 2 pickup solenoid (SL306) on about 1.3 seconds after the main motor (M1) starts rotating, then turns on about 0.15 seconds after the scanner... and feeds the paper through the registration roller paper sensor (PS403) and stops at the registration roller that is fed into the printer as the feed rollers rotate. The CPU turns the feed roller clutch (CL406) off within a specified time and stops the feed roller rotation. Tray 2 Paper path Q1860-90918 ...
Service Manual
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Q1860-90918 Chapter 5 Functional information 97 Paper jam To detect the presence of paper and whether the paper has been correctly fed, the following paper sensors are installed: Registration roller paper sensor (PS403) Top of page sensor (PS402) Fuser paper delivery sensor (PS1306) If the paper does not reach or pass through any of the sensors within the specified period of time, the microprocessor (CPU) on the dc controller PCA notifies the formatter of a 13.x paper jam.
Q1860-90918 Chapter 5 Functional information 97 Paper jam To detect the presence of paper and whether the paper has been correctly fed, the following paper sensors are installed: Registration roller paper sensor (PS403) Top of page sensor (PS402) Fuser paper delivery sensor (PS1306) If the paper does not reach or pass through any of the sensors within the specified period of time, the microprocessor (CPU) on the dc controller PCA notifies the formatter of a 13.x paper jam.
Service Manual
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... deflector in straight and reverse rotation by the microcomputer (CPU) on the duplexing driver PCA. The reversing motor (PM1701), the side registration guide drive motor (PM1702), and the refeed motor are controlled both in the printer. The duplexing driver PCA also sends the status of the...the duplexer and the dc controller PCA of the paper. In the duplexer, the reversing roller switches the feeding direction of the printer. Figure 30. Paper feed for the duplexer 98 Functional information Q1860-90918 After the side registration guide adjusts the side registration, ...
... deflector in straight and reverse rotation by the microcomputer (CPU) on the duplexing driver PCA. The reversing motor (PM1701), the side registration guide drive motor (PM1702), and the refeed motor are controlled both in the printer. The duplexing driver PCA also sends the status of the...the duplexer and the dc controller PCA of the paper. In the duplexer, the reversing roller switches the feeding direction of the printer. Figure 30. Paper feed for the duplexer 98 Functional information Q1860-90918 After the side registration guide adjusts the side registration, ...
Service Manual
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Duplexer Paper jam in the duplexer The following sensors are located to detect the presence of paper and to determine whether the paper is correctly fed. reversing unit paper sensor (PS1701) refeed paper sensor (PS1703) If the paper does not reach or pass through any of the sensors within the specified period of time, the microprocessor (CPU) on the dc controller PCA notifies the formatter of a 13.x paper jam. 100 Functional information Q1860-90918 Figure 32.
Duplexer Paper jam in the duplexer The following sensors are located to detect the presence of paper and to determine whether the paper is correctly fed. reversing unit paper sensor (PS1701) refeed paper sensor (PS1703) If the paper does not reach or pass through any of the sensors within the specified period of time, the microprocessor (CPU) on the dc controller PCA notifies the formatter of a 13.x paper jam. 100 Functional information Q1860-90918 Figure 32.