HP Designjet 1050c Service Manual

Troubleshooting
1-6
HP DesignJets 1050C and 1055CM Printers Service Manual
The Printer Continuously Rejects Printheads
1 Clean the flex contacts on the Printhead and in the Carriage
Assembly using the Carriage Interconnect Wiper (Refer to Chapter
3) and try again.
2 If ALL the Printheads are rejected (the status message on the Front
Panel does NOT show "OK" for all the Printheads) then perform the
Electronic Systems Test ⇒ Page 4-5.
Cover Sensors are not Working
1 Check if the faulty sensor is installed correctly.
2 Check if the cable for the faulty sensor is connected correctly.
3 Replace the faulty Sensor.
The Line Sensor has Problems Detecting Media
1 Check the type of media that is being used since the Line sensor
may have problems detecting transparent media or some types of
Non-HP media. Try loading white HP media in to the Printer and
check if the Line sensor detects it.
2 Excessive ink deposits on the Platen surface can fool the sensor by
reflecting the light. Clean the Platen.
3 The Line Sensor is not calibrated correctly. Perform the Line Sensor
calibration ⇒ Page 5-9.
4 The Line Sensor is damaged or faulty. Replace the Carriage
Assembly ⇒ Page 8-44.

HP Designjet 1050c Specifications

General

Print Technology	Thermal Inkjet
Maximum Print Resolution	1200 x 600 dpi
Number of Ink Cartridges	4 (Cyan, Magenta, Yellow, Black)
Media Types Supported	Coated, glossy, plain, film, vellum, translucent bond
Maximum Media Size	36 in (914 mm) roll
Ink Types	Dye-based
Connectivity	Parallel
Memory	64 MB
Hard Drive	Not available
Media Sizes Supported	A4, A3, A2, A1, A0, B4, B3, B2, B1, B0
Roll Width	24 in, 36 in
Operating Systems Supported	Windows 2000, XP
Power Requirements	100 to 240 VAC (+/- 10%), 50/60 Hz