HP PageWriter XL M1705B Service Manual page 138

Table 6-5. Printer
Symptom
Cause Corrective Action
Paper doesn't move; printer Paper out or jammed. Replace paper or clear paper jam.
error message displayed Check
paper supply.
Defective motor/sensor cable Replace motor/sensor cable assembly.
assembly.
Defective motor assembly. Replace motor assembly.
Defective motor drive assembly.
Replace CPU assembly.
Defective roller.
Replace printer door assembly.
Paper moves then stops and
lisplays an error message.
Check paper supply.
Paper loaded incorrectly.
Dirty sensor lens.
Defective sensor.
Defective motor/sensor cable
assembly.
Defective sensor circuit.
Defective roller.
Make sure cardiograph is loaded
properly with approved thermal paper.
Clean sensor lens.
Replace sensor assembly.
Replace motor/sensor cable assembly.
Replace CPU assembly.
Replace printer door assembly.
Paper stops in the wrong place Wrong type of paper.
Lfter pressing
Page Advance
or
Auto). No error message.
Dirty sensor lens.
Defective sensor.
Defective motor/sensor cable
assembly.
Defective sensor circuit.
Make sure cardiograph is loaded
properly with approved thermal paper.
Clean sensor lens.
Replace sensor assembly.
Replace motor/sensor cable assembly.
Replace CPU assembly.
Wavy diagonal lines in printer Improper meshing of gears in motor Replace motor or door assembly.
self-test or distortion of assembly or door assembly.
lrintouts in the time axis.
\4essage: Printer door
2pen.
Door is ajar.
Printhead bail or leaf spring
touching contact post.
Defective sensor assembly.
Defective motor/sensor cable
assembly.
Defective door-detect circuit.
Close door.
Check leaf spring behind printhead and
contact post.
Replace sensor assembly.
Replace motor/sensor cable assembly.
Replace CPU assembly.
Troubleshooting 6-15