Table of Contents
3
HP DesignJets 1050C and 1055CM Printers Service Manual
Table of Contents 1
Troubleshooting 1-1
Introduction 1-2
Troubleshooting System Error Codes 1-2
Performing a Service Test on a Failed Assembly 1-3
Performing the Necessary Service Calibrations 1-3
Solving Image Quality Problems 1-3
Front-Panel LEDs Flash Briefly at Power ON & Nothing Else Happens 1-4
The Printer does not Power ON 1-5
ALL the Front-Panel LEDs are Lit but Nothing Else Happens 1-5
One of the Print Quality LEDs on the Front Panel is Lit (and nothing
else) and the "SELF TEST..." Message Remains on the Front Panel 1-5
The Printer Continuously Rejects Printheads 1-6
Cover Sensors are not Working 1-6
The Line Sensor has Problems Detecting Media 1-6
Troubleshooting Media Jams/Printhead Crashes 1-7
Troubleshooting Shutdowns 1-7
Problems with the Vacuum Fan 1-9
Vacuum suction much lower at high altitudes 1-9
Bin marks on prints done on HP High Gloss media 1-9
Printhead Crashes/Smears on High Density Prints Using Coated Media 1-10
Color changes when stacking prints done on HP High Gloss Media 1-10
HP-GL/2 color differences in different HP DesignJet Printers 1-11
Scratches on prints done on NTP, Vellum and HP High Gloss media 1-11
Banding at variable extreme environmental conditions 1-12
Banding due to Ink Cartridge replacement while printing 1-12
Long term bleed and hue shift on HP High Gloss media 1-12
Lower image gloss directly after printing on HP High Gloss Photo Paper 1-13
34" Rice Paper not supported 1-13
Cut Sheet rice paper loading failure 1-13
Worm marks on HP Coated media with light area fills 1-13
Solving Media-Handling Problems 1-14
How to Navigate through the Front-Panel Menu 1-15
Service Configuration Print 1-19
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