Service Manual
Page 7
... Troubleshooting a SIMM Board 3-59 Service / Error Messages 3-59 4 Preventive Maintenance Introduction 4-1 Life Expectancy of Consumables 4-2 Service Checkpoints 4-3 Cleaning Your Printer 4-4 Toner Cartridge 4-5 Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only 4-6 Storing the Toner Cartridge 4-6 Installing the Toner Cartridge 4-7 Non-HP Toner Cartridges 4-9 Clearing the TONER LOW Message 4-10 Periodic Maintenance Procedures 4-11 Removing the MP Tray (Tray 1) Pickup Roller and Separation Pad 4-11 Removing...
... Troubleshooting a SIMM Board 3-59 Service / Error Messages 3-59 4 Preventive Maintenance Introduction 4-1 Life Expectancy of Consumables 4-2 Service Checkpoints 4-3 Cleaning Your Printer 4-4 Toner Cartridge 4-5 Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only 4-6 Storing the Toner Cartridge 4-6 Installing the Toner Cartridge 4-7 Non-HP Toner Cartridges 4-9 Clearing the TONER LOW Message 4-10 Periodic Maintenance Procedures 4-11 Removing the MP Tray (Tray 1) Pickup Roller and Separation Pad 4-11 Removing...
Service Manual
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... Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes *If HP LaserJet 4 Plus Optional Memory (C3130A, C3131A, C3132A, C3133 or C3146A) is the model HP C2039A to the model HP C2037A. The models HP C2021A and C2039A printers include the following features: • PostScript Level 2 SIMM • AppleTalk MIO Card • 4 ...PostScript SIMM PostScript SIMM Memory (1 MByte) Memory (2 MByte) Memory (4 MByte) Memory (8 MByte) Memory (1 MByte) Memory (2 MByte) Memory (4 MByte) Memory (8 MByte) Memory (16 MByte) Duplex Assembly Toner Cartridge Does it work in the HPLaserJet 4 Plus?
... Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes *If HP LaserJet 4 Plus Optional Memory (C3130A, C3131A, C3132A, C3133 or C3146A) is the model HP C2039A to the model HP C2037A. The models HP C2021A and C2039A printers include the following features: • PostScript Level 2 SIMM • AppleTalk MIO Card • 4 ...PostScript SIMM PostScript SIMM Memory (1 MByte) Memory (2 MByte) Memory (4 MByte) Memory (8 MByte) Memory (1 MByte) Memory (2 MByte) Memory (4 MByte) Memory (8 MByte) Memory (16 MByte) Duplex Assembly Toner Cartridge Does it work in the HPLaserJet 4 Plus?
Service Manual
Page 19
Specifications HP LaserJet 4 and 4 Plus Table 1-3 Printer Dimensions Dimension HP LaserJet 4/4M (C2001A/C2021A) Width 16.4 in (416 mm) Depth 15.9 in (403 mm) Height 11.7 in (297 mm) Weight (with toner cartridge) 37 lbs. (18.3 kg) HP LaserJet 4 Plus HP LaserJet 4M Plus (C2037A/C2039A) 16.4 in (416 mm) 15.9 in (403 mm) 11.7 in (297 mm) 37 lbs. (18.3 kg... = 55 220 Vac ± 10% 50/60 Hz ± 2 Hz printing = 195 240Vac ± 10% 50/60 Hz ± 2 Hz standby = 55 4 Plus/4M Plus printing = 300 standby = 80 PowerSave=25 printing =300 standby = 80 PowerSave=25 Product Information 1-5
Specifications HP LaserJet 4 and 4 Plus Table 1-3 Printer Dimensions Dimension HP LaserJet 4/4M (C2001A/C2021A) Width 16.4 in (416 mm) Depth 15.9 in (403 mm) Height 11.7 in (297 mm) Weight (with toner cartridge) 37 lbs. (18.3 kg) HP LaserJet 4 Plus HP LaserJet 4M Plus (C2037A/C2039A) 16.4 in (416 mm) 15.9 in (403 mm) 11.7 in (297 mm) 37 lbs. (18.3 kg... = 55 220 Vac ± 10% 50/60 Hz ± 2 Hz printing = 195 240Vac ± 10% 50/60 Hz ± 2 Hz standby = 55 4 Plus/4M Plus printing = 300 standby = 80 PowerSave=25 printing =300 standby = 80 PowerSave=25 Product Information 1-5
Service Manual
Page 20
Table 1-6 Electrical Specifications Status 100/115 V 4/4M 4 Plus/4M Plus 220/240 V 4/4M 4 Plus/4M Plus Product Rating 6.4 amps 7.8 amps 3.1 amps 4.0 amps Peak Inrush Current 22 amps 22 amps 22 amps 22 amps 25% Decay Time 13 msec 18 ... 17 amps 22 amps Return-to Average Time 200 msec 200 msec 200 msec 200 msec Table 1-5 Environmental Specifications Operating Environment Storage Environment (not including toner cartridge) Temperature: 10° C to 32.5° C (50° F to 90.5° F) Humidity: 20-80% (no condensation) Temperature: -20° to 60° C (-4°...
Table 1-6 Electrical Specifications Status 100/115 V 4/4M 4 Plus/4M Plus 220/240 V 4/4M 4 Plus/4M Plus Product Rating 6.4 amps 7.8 amps 3.1 amps 4.0 amps Peak Inrush Current 22 amps 22 amps 22 amps 22 amps 25% Decay Time 13 msec 18 ... 17 amps 22 amps Return-to Average Time 200 msec 200 msec 200 msec 200 msec Table 1-5 Environmental Specifications Operating Environment Storage Environment (not including toner cartridge) Temperature: 10° C to 32.5° C (50° F to 90.5° F) Humidity: 20-80% (no condensation) Temperature: -20° to 60° C (-4°...
Service Manual
Page 53
...can experiment with different settings to print the complete page at a faster rate, reducing toner cartridge life. The factory default setting is used at the correct resolution. Configuration 3-17 MEt...printer to active status. 8 Print approximately 20 pages to allow the new density setting to a higher number, toner is 3, but you set for desktop publishing applications. Memory Enhancement technology (MEt) (HP LaserJet 4 Plus and 5 only) HP Memory Enhancement technology (MEt) effectively doubles the printer's standard memory through HP Explorer's Remote Control Panel (Printer...
...can experiment with different settings to print the complete page at a faster rate, reducing toner cartridge life. The factory default setting is used at the correct resolution. Configuration 3-17 MEt...printer to active status. 8 Print approximately 20 pages to allow the new density setting to a higher number, toner is 3, but you set for desktop publishing applications. Memory Enhancement technology (MEt) (HP LaserJet 4 Plus and 5 only) HP Memory Enhancement technology (MEt) effectively doubles the printer's standard memory through HP Explorer's Remote Control Panel (Printer...
Service Manual
Page 79
... for a charge. This includes: • Toner Cartridge • Optional Lower Cassette • Envelope Feeder • Accessory Cartridge • Duplex Assembly (LaserJet 4 Plus/5) • Optional Memory, Personality SIMMs, or Flash • Include print samples that were installed in the printer. Configuration 3-43 In other countries, return the printer to an Authorized HP service center for your service area. Packing...
... for a charge. This includes: • Toner Cartridge • Optional Lower Cassette • Envelope Feeder • Accessory Cartridge • Duplex Assembly (LaserJet 4 Plus/5) • Optional Memory, Personality SIMMs, or Flash • Include print samples that were installed in the printer. Configuration 3-43 In other countries, return the printer to an Authorized HP service center for your service area. Packing...
Service Manual
Page 102
... printed on the shipping box, or horizontally (flat) if removed from the box. • In a normal office environment (for example, a location with the appropriate printer driver. Software settings always override control panel selections. Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only) Toner cartridge life can be extended dramatically by using the EconoMode printing feature of the...
... printed on the shipping box, or horizontally (flat) if removed from the box. • In a normal office environment (for example, a location with the appropriate printer driver. Software settings always override control panel selections. Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only) Toner cartridge life can be extended dramatically by using the EconoMode printing feature of the...
Service Manual
Page 251
...) adjustment is the sensor for the Envelope Feeder. Check that the cassettes are down (LJ4 and 4 Plus Only). 2. PS2 is the sensor for the PC Tray (Tray 2), PS4 is the sensor for the... mechanically broken. 2. If paper is damaged at the Registration Sensor (PS1), check that the Toner Cartridge is properly seated. Set the spring force as shown in the paper tray or envelope feeder ...out sensors in Chapter 3. Seat the LC Tray firmly into the printer. Check that the Exit Sensor Arm is not fully seated into the printer. 2. The LC Tray (Tray 3) is installed correctly. Check ...
...) adjustment is the sensor for the Envelope Feeder. Check that the cassettes are down (LJ4 and 4 Plus Only). 2. PS2 is the sensor for the PC Tray (Tray 2), PS4 is the sensor for the... mechanically broken. 2. If paper is damaged at the Registration Sensor (PS1), check that the Toner Cartridge is properly seated. Set the spring force as shown in the paper tray or envelope feeder ...out sensors in Chapter 3. Seat the LC Tray firmly into the printer. Check that the Exit Sensor Arm is not fully seated into the printer. 2. The LC Tray (Tray 3) is installed correctly. Check ...
Service Manual
Page 263
The Main Motor drives all moving components in the Toner Cartridge for wear and binding. • Reseat J211 (or J214 on the HP LaserJet 4 Plus/4M Plus) on the DC Controller PCA, and the main connector on the DC Controller. Refer to speed within one second after reaching the correct speed. If ...
The Main Motor drives all moving components in the Toner Cartridge for wear and binding. • Reseat J211 (or J214 on the HP LaserJet 4 Plus/4M Plus) on the DC Controller PCA, and the main connector on the DC Controller. Refer to speed within one second after reaching the correct speed. If ...
Service Manual
Page 398
B-4 LaserJet 5/5M/5N Printer No No Yes No No Yes No No Yes No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes *If HP LaserJet 4 Plus/5 Optional Memory (C3130A, C3131A, C3132A, C3133 or C3146A) is installed in the LaserJet 4? Table B-2 Product Family ...) Memory (4 MByte) Memory (8 MByte) Memory (1 MByte) Memory (2 MByte) Memory (4 MByte) Memory (8 MByte) Memory (16 MByte) Duplex Assembly Duplex Assembly Toner Cartridge Work in the HP LaserJet 4, the printer will display a "53.1X.08 ERROR" (X indicates the position of the SIMMs slot). Yes Yes No Yes Yes No Yes No No Yes...
B-4 LaserJet 5/5M/5N Printer No No Yes No No Yes No No Yes No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes *If HP LaserJet 4 Plus/5 Optional Memory (C3130A, C3131A, C3132A, C3133 or C3146A) is installed in the LaserJet 4? Table B-2 Product Family ...) Memory (4 MByte) Memory (8 MByte) Memory (1 MByte) Memory (2 MByte) Memory (4 MByte) Memory (8 MByte) Memory (16 MByte) Duplex Assembly Duplex Assembly Toner Cartridge Work in the HP LaserJet 4, the printer will display a "53.1X.08 ERROR" (X indicates the position of the SIMMs slot). Yes Yes No Yes Yes No Yes No No Yes...